Keelung weather in April

In April, Keelung sees average daytime highs of 23°C and overnight lows near 20°C, with 133 mm of rain across 14.5 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 21% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Keelung's 5th-clearest and 8th-windiest month. For the whole year in context, see Keelung's year-round climate.

Daytime high
23°
7th warmest
Overnight low
20°
5th coldest
Rainfall
133 mm
14.5 wet days
Daylight
12 h 36 min
5:36 AM – 6:11 PM
Cloud cover
69%
5th clearest
Wind
17 km/h
8th windiest
Solar energy
4.59 kWh/m²
Travel score
5.9
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical April day in Keelung reaches about 23°C in the afternoon and slips back to 20°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12118
22118
32118
42119
52119
62119
72219
82219
92219
102219
112219
122220
132220
142220
152220
162320
172320
182320
192320
202320
212321
222321
232321
242321
252421
262421
272421
282421
292422
302422

How April really feels in Keelung

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 15°17819.410.64.3
Feb18° / 15°17217.111.14.5
Mar20° / 17°16017.611.85.1
Apr23° / 20°13314.512.65.9
May25° / 23°16314.213.26.0
Jun28° / 26°14113.213.55.4
Jul29° / 27°1039.213.45.5
Aug29° / 27°17112.812.95.3
Sep27° / 26°19215.212.25.7
Oct25° / 23°20515.511.46.0
Nov22° / 20°19517.610.85.4
Dec19° / 17°18618.910.54.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23763
33664
43664
53664
63664
73664
83664
93763
103763
113763
123763
133763
143664
153664
163763
173664
183565
193664
203565
213565
223565
233466
243565
253565
263466
273466
283466
293466
303367

Chance of precipitation in April

Any precipitation

Keelung gets around 133 mm of rain over 14.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 48% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
253
353
453
553
653
752
852
951
1050
1150
1249
1348
1448
1547
1647
1746
1846
1946
2045
2145
2245
2345
2445
2545
2645
2745
2845
2944
3044

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11822312180
21722312290
31622302290
415223023100
514222924110
613222925120
712222826120
812222727130
911212628140
1010212529150
1110202430160
129202331180
138192232190
148182233200
158172133210
167162034230
177152034240
187151934250
196141935260
206131835280
216121835290
225121834310
235111834320
245101734340
255101733350
26491733360
27491732370
28491831381
29381831391
30381830401

Wind in April

Winds average 17 km/h in April.

Across April, daily wind ranges from about 16 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
119light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over April. Sunrise moves from 5:51 AM to 5:23 AM, and sunset from 6:04 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:04
212.25:506:05
312.35:496:05
412.35:486:06
512.35:476:06
612.35:466:06
712.45:456:07
812.45:446:07
912.45:436:08
1012.45:426:08
1112.55:416:09
1212.55:406:09
1312.55:396:10
1412.55:386:10
1512.65:376:10
1612.65:366:11
1712.65:356:11
1812.65:346:12
1912.75:336:12
2012.75:326:13
2112.75:316:13
2212.75:306:14
2312.85:296:14
2412.85:286:15
2512.85:276:15
2612.85:266:16
2712.85:266:16
2812.95:256:17
2912.95:246:17
3012.95:236:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.59 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 6.15 kWh/m² in July across the year — April's 4.59 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in April

Hazard calendar for Keelung

In seasonPeak

In April, Keelung sits inside 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.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Keelung?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
3rd-best month of the year
4.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Keelung for sightseeing.

What to pack for Keelung in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Keelung sees daytime highs around 23°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Keelung in April

The nearest coast averages about 24°C in April — 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.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr24Refreshing
May25Warm
Jun27Warm
Jul28Tropical
Aug28Tropical
Sep27Warm
Oct26Warm
Nov24Warm
Dec23Refreshing

UV index in Keelung in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highVery highHighJun 18UV 11Dec 22UV 4
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun12Extreme
Jul11Extreme
Aug9Very high
Sep11Extreme
Oct8Very high
Nov7High
Dec4Moderate

Air quality in Keelung in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1447 µg/m³Oct 1521 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb36Poor
Mar44Poor
Apr47Poor
May42Poor
Jun42Poor
Jul34Moderate
Aug28Moderate
Sep24Moderate
Oct20Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

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.

TaipeiSanzhiNew Taipei CityDanshuiBanqiao

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.

3 km
197 m
16 km
907 m
80 km
2,613 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Jiufen 11 km · Xizhi 11 km · Neihu 16 km · Taipei 23 km · Sanzhi 28 km · New Taipei City 30 km · Danshui 30 km · Banqiao 30 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
Buddhist 35%Taoist 33%none or unspecified 18%folk religion approximately 10%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).