Best and Worst Months to Visit Wonsan: Weather and Seasonal Guide
Quick Weather Answer: Best and Worst Time to Visit Wonsan
The best time to visit Wonsan for weather is usually October, when average daytime temperatures are around 61F (16C) and nights are near 46F (8C). The worst time to visit Wonsan is usually January, because the weather is less comfortable for long walks, outdoor sightseeing, and casual transit-heavy days.
- Best month for weather: October
- Worst month for weather: January
- Most comfortable season: Fall
- Hottest month: July, with average highs near 79F (26C)
- Coldest month: January, with average lows near 14F (-10C)
- Snowiest month: December, based on winter precipitation and freezing-temperature patterns
- Driest month: January, with about 0.8 inches of precipitation
- Most unpredictable weather period: late winter and early spring
- Best weather for a first-time trip: April, May, and October
What Is the Weather Like in Wonsan?
Wonsan has strong seasonal contrast. Winters can be cold enough for snow, ice, wind chill, and short daylight to affect daily plans, while the warmer months are much easier for walking and outdoor time. The Wonsan climate by month shows average highs from about 29F (-2C) in the coolest part of the year to about 79F (26C) in the hottest part. Annual precipitation averages roughly 50.1 inches, and snow or ice can be a real winter factor.
Weather in Wonsan changes the feel of the city because this is a place where comfort depends on more than the number on a forecast. A mild month can make metro transfers, neighborhood walks, outdoor meals, and photography feel easy. A difficult month can make the same itinerary feel slower, sweatier, colder, wetter, or more dependent on indoor breaks.
Best Month to Visit Wonsan for Weather
October is the best month to visit Wonsan for weather in a typical year. Average daytime highs are near 61F (16C), while nights are around 46F (8C). Precipitation averages 2.8 inches, so the month is usually more comfortable than the wetter, hotter, or colder parts of the year.
What makes October stand out is balance. It is not necessarily perfect every day, but it usually gives travelers the best combination of outdoor comfort, manageable weather risk, and enough flexibility for a first-time trip. If hotel prices or crowds rise during this period, that popularity is at least partly weather-driven.
Worst Month to Visit Wonsan for Weather
January is the worst month to visit Wonsan from a pure weather perspective. Average highs are around 29F (-2C), and nights are near 14F (-10C). The month also brings about 0.8 inches of precipitation, with snow or icy conditions more likely, which can make long outdoor days less comfortable.
Cold is the main problem. Snow, ice, wind, and short daylight can make the city feel less forgiving, especially for travelers who want to walk a lot. Lower hotel prices or fewer visitors can make January acceptable for flexible travelers, but it is not the month I would choose for the best weather in Wonsan.
Wonsan Weather by Season
Spring Weather in Wonsan
In Wonsan, spring usually means March, April, and May. Daytime highs typically run from 44F (7C) to 68F (20C), with nights from about 28F (-2C) to 49F (9C). Across the season, precipitation averages around 7.4 inches, with snow or icy conditions possible. This is one of the more comfortable stretches of the year for walking, transit transfers, outdoor meals, and photography. The best spring month for weather is usually May, while March is the least comfortable part of the season.
Summer Weather in Wonsan
In Wonsan, summer usually means June, July, and August. Daytime highs typically run from 75F (24C) to 79F (26C), with nights from about 59F (15C) to 68F (20C). Across the season, precipitation averages around 29.2 inches. Rain and humidity shape the season, so outdoor plans need more flexibility than the temperature alone suggests. The best summer month for weather is usually June, while July is the least comfortable part of the season.
Fall Weather in Wonsan
In Wonsan, fall usually means September, October, and November. Daytime highs typically run from 47F (8C) to 71F (22C), with nights from about 33F (1C) to 59F (15C). Across the season, precipitation averages around 11.0 inches, with snow or icy conditions possible. This is one of the more comfortable stretches of the year for walking, transit transfers, outdoor meals, and photography. The best fall month for weather is usually October, while November is the least comfortable part of the season.
Winter Weather in Wonsan
In Wonsan, winter usually means December, January, and February. Daytime highs typically run from 29F (-2C) to 34F (1C), with nights from about 14F (-10C) to 20F (-7C). Across the season, precipitation averages around 2.6 inches, with snow or icy conditions possible. This is the season when cold, short daylight, and possible slick conditions matter most. The best winter month for weather is usually February, while January is the least comfortable part of the season.
Wonsan Weather by Month: What to Expect
January in Wonsan
January in Wonsan typically brings daytime highs around 29F (-2C) and nighttime lows near 14F (-10C). Expect about 0.8 inches of precipitation, with snow or icy conditions more likely, and average winds near 7 mph. In real life, winter conditions matter: sidewalks can be slick, station entrances can be slushy, and wind can make short walks feel longer.
Outdoor comfort is one of the least comfortable periods of the year for most travelers. Pack a winter coat, gloves, warm layers, shoes with grip. Verdict: January is the weakest weather month in Wonsan, even if prepared travelers can still make it work.
February in Wonsan
February in Wonsan typically brings daytime highs around 34F (1C) and nighttime lows near 19F (-7C). Expect about 0.9 inches of precipitation, with snow or icy conditions more likely, and average winds near 7 mph. In real life, winter conditions matter: sidewalks can be slick, station entrances can be slushy, and wind can make short walks feel longer.
Outdoor comfort is cold and snowy for most travelers. Pack a winter coat, gloves, warm layers, shoes with grip. Verdict: February is weather-challenging in Wonsan and needs more planning than the comfortable months.
March in Wonsan
March in Wonsan typically brings daytime highs around 44F (7C) and nighttime lows near 28F (-2C). Expect about 1.4 inches of precipitation, with snow or icy conditions more likely, and average winds near 6 mph. In real life, winter conditions matter: sidewalks can be slick, station entrances can be slushy, and wind can make short walks feel longer.
Outdoor comfort is cold and snowy for most travelers. Pack a warm jacket, layers, shoes with grip. Verdict: March is weather-challenging in Wonsan and needs more planning than the comfortable months.
April in Wonsan
April in Wonsan typically brings daytime highs around 57F (14C) and nighttime lows near 38F (3C). Expect about 2.4 inches of precipitation and occasional snow or icy weather, and average winds near 6 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is very comfortable for most travelers. Pack a warm jacket, layers. Verdict: April is a good month for weather in Wonsan.
May in Wonsan
May in Wonsan typically brings daytime highs around 68F (20C) and nighttime lows near 49F (9C). Expect moderate rain, averaging about 3.6 inches, and average winds near 4 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is very comfortable for most travelers. Pack comfortable layers, a light jacket, a compact umbrella or rain shell. Verdict: May is a good month for weather in Wonsan.
June in Wonsan
June in Wonsan typically brings daytime highs around 75F (24C) and nighttime lows near 59F (15C). Expect moderate rain, averaging about 4.7 inches, and average winds near 3 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is very comfortable for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: June is a good month for weather in Wonsan.
July in Wonsan
July in Wonsan typically brings daytime highs around 79F (26C) and nighttime lows near 67F (19C). Expect heavy rain, averaging about 12.6 inches, and average winds near 4 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is rainy and less reliable for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: July is possible, but it is not one of the easier weather months in Wonsan.
August in Wonsan
August in Wonsan typically brings daytime highs around 79F (26C) and nighttime lows near 68F (20C). Expect heavy rain, averaging about 11.9 inches, and average winds near 4 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is rainy and less reliable for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: August is possible, but it is not one of the easier weather months in Wonsan.
September in Wonsan
September in Wonsan typically brings daytime highs around 71F (22C) and nighttime lows near 59F (15C). Expect moderate rain, averaging about 5.7 inches, and average winds near 4 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is very comfortable for most travelers. Pack comfortable layers, a light jacket, a compact umbrella or rain shell. Verdict: September is a good month for weather in Wonsan.
October in Wonsan
October in Wonsan typically brings daytime highs around 61F (16C) and nighttime lows near 46F (8C). Expect some rain, averaging about 2.8 inches, and average winds near 5 mph. In real life, the month feels usable but changeable, with enough mild weather for outdoor plans and enough cool or wet spells to require backup layers.
Outdoor comfort is the best of the year for most travelers. Pack comfortable layers, a light jacket. Verdict: October is one of the best weather months in Wonsan.
November in Wonsan
November in Wonsan typically brings daytime highs around 47F (8C) and nighttime lows near 33F (1C). Expect about 2.5 inches of precipitation and occasional snow or icy weather, and average winds near 6 mph. In real life, the weather is manageable but not effortless, especially if wind, gray skies, or quick temperature changes show up.
Outdoor comfort is good, with a few weather tradeoffs for most travelers. Pack a warm jacket, layers, shoes with grip. Verdict: November is a good month for weather in Wonsan.
December in Wonsan
December in Wonsan typically brings daytime highs around 33F (1C) and nighttime lows near 20F (-7C). Expect about 1.0 inches of precipitation, with snow or icy conditions more likely, and average winds near 7 mph. In real life, winter conditions matter: sidewalks can be slick, station entrances can be slushy, and wind can make short walks feel longer.
Outdoor comfort is cold and snowy for most travelers. Pack a winter coat, gloves, warm layers, shoes with grip. Verdict: December is weather-challenging in Wonsan and needs more planning than the comfortable months.
Month-by-Month Weather Table for Wonsan
| Month | Temperature | Rain/Snow | Weather Comfort | What to Pack | Weather Verdict |
|---|---|---|---|---|---|
| January | 29F (-2C) / 14F (-10C) | 0.8 in precip.; snow/ice possible | Worst weather of the year | a winter coat, gloves, warm layers, shoes with grip | Worst weather of the year |
| February | 34F (1C) / 19F (-7C) | 0.9 in precip.; snow/ice possible | Cold and snowy | a winter coat, gloves, warm layers, shoes with grip | Cold and snowy |
| March | 44F (7C) / 28F (-2C) | 1.4 in precip.; snow/ice possible | Cold and snowy | a warm jacket, layers, shoes with grip | Cold and snowy |
| April | 57F (14C) / 38F (3C) | 2.4 in precip. | Very comfortable | a warm jacket, layers | Very comfortable |
| May | 68F (20C) / 49F (9C) | 3.6 in precip. | Very comfortable | comfortable layers, a light jacket, a compact umbrella or rain shell | Very comfortable |
| June | 75F (24C) / 59F (15C) | 4.7 in precip. | Very comfortable | light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell | Very comfortable |
| July | 79F (26C) / 67F (19C) | 12.6 in precip. | Rainy and humid | light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell | Rainy and humid |
| August | 79F (26C) / 68F (20C) | 11.9 in precip. | Rainy and humid | light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell | Rainy and humid |
| September | 71F (22C) / 59F (15C) | 5.7 in precip. | Very comfortable | comfortable layers, a light jacket, a compact umbrella or rain shell | Very comfortable |
| October | 61F (16C) / 46F (8C) | 2.8 in precip. | Best weather of the year | comfortable layers, a light jacket | Best weather of the year |
| November | 47F (8C) / 33F (1C) | 2.5 in precip.; snow/ice possible | Good but not perfect | a warm jacket, layers, shoes with grip | Good but not perfect |
| December | 33F (1C) / 20F (-7C) | 1.0 in precip.; snow/ice possible | Cold and snowy | a winter coat, gloves, warm layers, shoes with grip | Cold and snowy |
Hottest Time of Year in Wonsan
The hottest time of year in Wonsan is usually July and August. The hottest month in Wonsan is July, with average highs near 79F (26C) and nights around 67F (19C). If humidity or strong sun is present, the heat can feel more demanding than the average high suggests.
Early mornings and evenings are usually better than midafternoon during this period. If the hot months overlap with summer vacation or peak travel, the city may still be busy, but from a weather perspective this is not automatically the most comfortable time to visit.
Coldest Time of Year in Wonsan
The coldest time of year in Wonsan is usually January. The coldest month in Wonsan is January, with average lows near 14F (-10C) and daytime highs around 29F (-2C). Snow and ice can affect sidewalks, station entrances, and day trips.
Rainiest, Snowiest, or Most Humid Months in Wonsan
The snowiest month is usually December, based on the overlap of winter precipitation and freezing temperatures. The rainiest or wettest month overall is July, with about 12.6 inches of precipitation. Winter travelers should think about footwear, wind, and icy surfaces, not just temperature.
Driest and Clearest Months in Wonsan
The driest month in Wonsan is usually January, with about 0.8 inches of precipitation. The broader dry-weather window often includes January, February, and December. These months are generally better for walking, photos, outdoor meals, and day trips because the odds of weather interruptions are lower.
Most Unpredictable Weather Period in Wonsan
The most unpredictable weather period in Wonsan is usually late winter and early spring. During this stretch, travelers should expect the forecast to matter more than the calendar. Pack flexible layers, check conditions before long walks, and avoid building a trip around only one kind of weather.
Best Weather for First-Time Visitors
For a first-time trip, the best weather window is usually April, May, and October. This period gives the strongest balance of mild temperatures, manageable rain, outdoor comfort, and enough daylight for a relaxed city schedule. It is also the period most likely to answer the question of when is the weather best in Wonsan without asking travelers to tolerate the year’s worst heat, cold, or wet weather.
When to Avoid Wonsan Because of Weather
Consider avoiding January, February, March, July, August if your trip depends on comfortable walking weather. These months are more likely to be too hot, too cold, too wet, too snowy, or simply less pleasant than the better parts of the year.
Families with kids, older travelers, photographers, and visitors who want to walk a lot should be especially careful with the worst weather months. Travelers who dislike heat should avoid the hottest stretch around July and August; travelers who dislike cold should avoid the coldest stretch around January; travelers who dislike rain should be cautious around July.
Final Weather Verdict: When Should You Visit Wonsan?
The best month to visit Wonsan for weather is October. The worst month to visit Wonsan is January. The best season overall is usually Fall, while the best mild-weather period for a first-time visitor is April, May, and October.
If you want the best month to visit Wonsan, choose the month that gives you comfortable daytime temperatures and the lowest risk of weather disrupting outdoor plans. If you are comparing Wonsan weather by month, do not look only at the hottest month in Wonsan or the coldest month in Wonsan. Rain, snow, wind, humidity, and daylight can matter just as much.
For most travelers, the practical answer is simple: visit during the comfortable middle of the Wonsan seasons, avoid the most extreme month if you can, and pack for the specific weather pattern of your chosen dates.
