Best and Worst Months to Visit Keelung: Weather and Seasonal Guide

Quick Weather Answer: Best and Worst Time to Visit Keelung

The best time to visit Keelung for weather is usually January, when average daytime temperatures are around 65F (18C) and nights are near 60F (16C). The worst time to visit Keelung is usually August, because the weather is less comfortable for long walks, outdoor sightseeing, and casual transit-heavy days.

• Best month for weather: January
• Worst month for weather: August
• Most comfortable season: Winter
• Hottest month: July, with average highs near 86F (30C)
• Coldest month: January, with average lows near 60F (16C)
• Rainiest month: August, with about 10.1 inches of rain
• Driest month: January, with about 3.6 inches of precipitation
• Most unpredictable weather period: the summer rainy period
• Best weather for a first-time trip: January, February, and December

What Is the Weather Like in Keelung?

Keelung has a relatively mild maritime climate, so extreme temperatures are less common than gray skies, wind, rain, and quick day-to-day changes. The Keelung climate by month shows average highs from about 65F (18C) in the coolest part of the year to about 86F (30C) in the hottest part. Annual precipitation averages roughly 75.4 inches.

Weather in Keelung 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 Keelung for Weather

January is the best month to visit Keelung for weather in a typical year. Average daytime highs are near 65F (18C), while nights are around 60F (16C). Precipitation averages 3.6 inches, so the month is usually more comfortable than the wetter, hotter, or colder parts of the year.

What makes January 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 Keelung for Weather

August is the worst month to visit Keelung from a pure weather perspective. Average highs are around 85F (29C), and nights are near 81F (27C). The month also brings heavy rain, averaging about 10.1 inches, which can make long outdoor days less comfortable.

Rain is the main problem. The month is not impossible, but showers and damp conditions can interrupt outdoor plans and make transit transfers less pleasant. Lower hotel prices or fewer visitors can make August acceptable for flexible travelers, but it is not the month I would choose for the best weather in Keelung.

Keelung Weather by Season

Spring Weather in Keelung

In Keelung, spring usually means March, April, and May. Daytime highs typically run from 70F (21C) to 80F (26C), with nights from about 63F (17C) to 74F (23C). Across the season, precipitation averages around 18.5 inches. Rain and humidity shape the season, so outdoor plans need more flexibility than the temperature alone suggests. The best spring month for weather is usually April, while May is the least comfortable part of the season.

Summer Weather in Keelung

In Keelung, summer usually means June, July, and August. Daytime highs typically run from 84F (29C) to 86F (30C), with nights from about 78F (26C) to 81F (27C). Across the season, precipitation averages around 26.0 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 July, while August is the least comfortable part of the season.

Fall Weather in Keelung

In Keelung, fall usually means September, October, and November. Daytime highs typically run from 74F (23C) to 82F (28C), with nights from about 69F (21C) to 78F (26C). Across the season, precipitation averages around 19.0 inches. Rain and humidity shape the season, so outdoor plans need more flexibility than the temperature alone suggests. The best fall month for weather is usually November, while September is the least comfortable part of the season.

Winter Weather in Keelung

In Keelung, winter usually means December, January, and February. Daytime highs typically run from 65F (18C) to 68F (20C), with nights from about 60F (16C) to 63F (17C). Across the season, precipitation averages around 11.9 inches. This is one of the more comfortable stretches of the year for walking, transit transfers, outdoor meals, and photography. The best winter month for weather is usually January, while February is the least comfortable part of the season.

Keelung Weather by Month: What to Expect

January in Keelung

January in Keelung typically brings daytime highs around 65F (18C) and nighttime lows near 60F (16C). Expect moderate rain, averaging about 3.6 inches, and average winds near 12 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, a compact umbrella or rain shell. Verdict: January is one of the best weather months in Keelung.

February in Keelung

February in Keelung typically brings daytime highs around 66F (19C) and nighttime lows near 61F (16C). Expect moderate rain, averaging about 4.3 inches, and average winds near 11 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: February is a good month for weather in Keelung.

March in Keelung

March in Keelung typically brings daytime highs around 70F (21C) and nighttime lows near 63F (17C). Expect moderate rain, averaging about 5.0 inches, and average winds near 10 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: March is a good month for weather in Keelung.

April in Keelung

April in Keelung typically brings daytime highs around 75F (24C) and nighttime lows near 68F (20C). Expect moderate rain, averaging about 4.9 inches, and average winds near 9 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: April is a good month for weather in Keelung.

May in Keelung

May in Keelung typically brings daytime highs around 80F (26C) and nighttime lows near 74F (23C). Expect heavy rain, averaging about 8.6 inches, and average winds near 8 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: May is possible, but it is not one of the easier weather months in Keelung.

June in Keelung

June in Keelung typically brings daytime highs around 84F (29C) and nighttime lows near 78F (26C). Expect heavy rain, averaging about 9.7 inches, 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 rainy and less reliable for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: June is possible, but it is not one of the easier weather months in Keelung.

July in Keelung

July in Keelung typically brings daytime highs around 86F (30C) and nighttime lows near 81F (27C). Expect heavy rain, averaging about 6.2 inches, and average winds near 8 mph. In real life, this is warm to hot city weather; it can still work, but midday walking needs shade, water, and a flexible pace.

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 Keelung.

August in Keelung

August in Keelung typically brings daytime highs around 85F (29C) and nighttime lows near 81F (27C). Expect heavy rain, averaging about 10.1 inches, and average winds near 8 mph. In real life, this is warm to hot city weather; it can still work, but midday walking needs shade, water, and a flexible pace.

Outdoor comfort is one of the least comfortable periods of the year for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: August is the weakest weather month in Keelung, even if prepared travelers can still make it work.

September in Keelung

September in Keelung typically brings daytime highs around 82F (28C) and nighttime lows near 78F (26C). Expect heavy rain, averaging about 8.6 inches, and average winds near 10 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: September is possible, but it is not one of the easier weather months in Keelung.

October in Keelung

October in Keelung typically brings daytime highs around 78F (26C) and nighttime lows near 74F (23C). Expect moderate rain, averaging about 5.9 inches, and average winds near 12 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 good, with a few weather tradeoffs for most travelers. Pack light clothing, sunglasses, a light layer for evenings, a compact umbrella or rain shell. Verdict: October is a good month for weather in Keelung.

November in Keelung

November in Keelung typically brings daytime highs around 74F (23C) and nighttime lows near 69F (21C). Expect moderate rain, averaging about 4.6 inches, and average winds near 12 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: November is a good month for weather in Keelung.

December in Keelung

December in Keelung typically brings daytime highs around 68F (20C) and nighttime lows near 63F (17C). Expect moderate rain, averaging about 4.0 inches, and average winds near 12 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: December is a good month for weather in Keelung.

Month-by-Month Weather Table for Keelung

Hottest Time of Year in Keelung

The hottest time of year in Keelung is usually June, July, and August. The hottest month in Keelung is July, with average highs near 86F (30C) and nights around 81F (27C). 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 Keelung

The coldest time of year in Keelung is usually January, February, and December. The coldest month in Keelung is January, with average lows near 60F (16C) and daytime highs around 65F (18C). Snow is not the main issue, but cool mornings, wind, rain, or shorter daylight can still affect comfort.

Rainiest, Snowiest, or Most Humid Months in Keelung

The rainiest month is usually August, with about 10.1 inches of rain. This is the month when showers, humidity, storms, or wet pavement are most likely to shape the trip. It can still be possible, but it is less reliable for outdoor-heavy plans.

Driest and Clearest Months in Keelung

The driest month in Keelung is usually January, with about 3.6 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 Keelung

The most unpredictable weather period in Keelung is usually the summer rainy period. 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 January, February, and December. 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 Keelung without asking travelers to tolerate the year’s worst heat, cold, or wet weather.

When to Avoid Keelung Because of Weather

Consider avoiding May, June, August, September 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 June, July, and August; travelers who dislike cold should avoid the coldest stretch around January, February, and December; travelers who dislike rain should be cautious around August.

Final Weather Verdict: When Should You Visit Keelung?

The best month to visit Keelung for weather is January. The worst month to visit Keelung is August. The best season overall is usually Winter, while the best mild-weather period for a first-time visitor is January, February, and December.

If you want the best month to visit Keelung, choose the month that gives you comfortable daytime temperatures and the lowest risk of weather disrupting outdoor plans. If you are comparing Keelung weather by month, do not look only at the hottest month in Keelung or the coldest month in Keelung. 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 Keelung seasons, avoid the most extreme month if you can, and pack for the specific weather pattern of your chosen dates.