Keelung in Winter
In winter (December, January and February), Keelung sees average daytime highs around 18°C and overnight lows near 16°C, with 536 mm of rain over about 55 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around 18°C. The sky is clear or mostly clear about 18% of the time across winter, and the air most often feels dry.
Winter is Keelung's weakest season of the year to visit on our travel score. For the whole year in context, see Keelung's year-round climate.
- Avg daytime high
- 18°C
- coldest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 536 mm
- 55 wet days
- Avg wind
- 24 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Keelung in Winter
Across winter, daytime highs hold fairly steady around 18°C.
A typical winter day in Keelung reaches about 18°C and drops to 16°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Keelung
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Keelung weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 18° / 15° | 178 | 19.4 | 10.6 | 4.3 |
| Feb | 18° / 15° | 172 | 17.1 | 11.1 | 4.5 |
| Mar | 20° / 17° | 160 | 17.6 | 11.8 | 5.1 |
| Apr | 23° / 20° | 133 | 14.5 | 12.6 | 5.9 |
| May | 25° / 23° | 163 | 14.2 | 13.2 | 6.0 |
| Jun | 28° / 26° | 141 | 13.2 | 13.5 | 5.4 |
| Jul | 29° / 27° | 103 | 9.2 | 13.4 | 5.5 |
| Aug | 29° / 27° | 171 | 12.8 | 12.9 | 5.3 |
| Sep | 27° / 26° | 192 | 15.2 | 12.2 | 5.7 |
| Oct | 25° / 23° | 205 | 15.5 | 11.4 | 6.0 |
| Nov | 22° / 20° | 195 | 17.6 | 10.8 | 5.4 |
| Dec | 19° / 17° | 186 | 18.9 | 10.5 | 4.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 18% of the time across winter.
Chance of precipitation in Winter
Keelung gets around 536 mm of rain over 55 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 24 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 30 min in early December to 11 h 24 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.4 kWh/m².
Hazard calendar for Keelung
In winter, Keelung overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Keelung sits in the Pacific typhoon belt; the season peaks July–October.
Is winter a good time to visit Keelung?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Keelung for sightseeing.
What to pack for Keelung in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Keelung sees daytime highs around 18°C and nights near 16°C. Pack rain gear. Worth having: a windbreaker. About 55 days see rain.
Sea temperature near Keelung in Winter
The nearest coast averages about 22°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in August at about 28°C and coldest in January near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 22 | 24 | 25 | 27 | 28 | 28 | 27 | 26 | 24 | 23 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Warm | Warm | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 24 | Refreshing |
| May | 25 | Warm |
| Jun | 27 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 27 | Warm |
| Oct | 26 | Warm |
| Nov | 24 | Warm |
| Dec | 23 | Refreshing |
UV index in Keelung in Winter
Clear-sky midday UV across winter averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Keelung peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 4 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 8 | 10 | 12 | 11 | 9 | 11 | 8 | 7 | 4 |
| Level | Moderate | Very high | Very high | Very high | Extreme | Extreme | Extreme | Very high | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | Moderate |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 10 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 8 | Very high |
| Nov | 7 | High |
| Dec | 4 | Moderate |
Air quality in Keelung in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Keelung is worst in April — around 47 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 20 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 29 | 36 | 44 | 47 | 42 | 42 | 34 | 28 | 24 | 20 | 25 | 25 |
| Level | Moderate | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 29 | Moderate |
| Feb | 36 | Poor |
| Mar | 44 | Poor |
| Apr | 47 | Poor |
| May | 42 | Poor |
| Jun | 42 | Poor |
| Jul | 34 | Moderate |
| Aug | 28 | Moderate |
| Sep | 24 | Moderate |
| Oct | 20 | Moderate |
| Nov | 25 | Moderate |
| Dec | 25 | Moderate |
Where is Keelung?
Keelung sits at 25.1°N, 121.7°E, 19 m above sea level, in Taiwan. The nearest listed city is Jiufen, 11 km away.
Topography around Keelung
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Keelung.
Within 3 km, the terrain around Keelung has only modest variations in elevation — a maximum elevation change of 197 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 907 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,613 m.
The land around Keelung is covered by trees (58%) and artificial surfaces (32%) within 3 km, trees (59%) and water (35%) within 16 km, and water (62%) and trees (31%) within 80 km.
Taiwan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 110 / 220 V · 60 Hz
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Keelung (25.1309°, 121.7409°, elevation 19 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.