Jiufen weather in April

In April, Jiufen sees average daytime highs of 23°C and overnight lows near 19°C, with 128 mm of rain across 15.5 wet days and about 12.6 hours of daylight. It is the 7th-warmest and 12th-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 16% 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 Jiufen's 5th-clearest and 8th-windiest month. For the whole year in context, see Jiufen's year-round climate.

Daytime high
23°
7th warmest
Overnight low
19°
5th coldest
Rainfall
128 mm
15.5 wet days
Daylight
12 h 36 min
5:35 AM – 6:10 PM
Cloud cover
72%
5th clearest
Wind
11 km/h
8th windiest
Solar energy
4.45 kWh/m²
Travel score
5.7
out of 10

Jiufen is mountain area in Ruifang District near Keelung, Taiwan.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Jiufen reaches about 23°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12118
22118
32118
42218
52218
62218
72218
82218
92218
102219
112219
122219
132319
142319
152319
162319
172319
182320
192320
202320
212420
222420
232420
242420
252420
262420
272421
282421
292421
302521

How April really feels in Jiufen

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.

Jiufen weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 14°17420.110.64.1
Feb18° / 15°16017.711.14.4
Mar20° / 16°1371711.85.1
Apr23° / 19°12815.512.65.7
May26° / 22°18517.613.25.4
Jun29° / 25°16316.313.54.5
Jul30° / 27°1541413.44.4
Aug30° / 27°22317.612.94.2
Sep28° / 25°25717.812.24.9
Oct25° / 22°31319.311.45.3
Nov22° / 20°27819.210.85.1
Dec19° / 16°22719.510.54.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53268
63268
73169
83169
93169
103169
113169
123169
133169
143169
153070
163070
173169
183070
193070
203070
213070
223169
233169
242971
252971
262971
273070
282971
292971
302971

Chance of precipitation in April

Any precipitation

Jiufen gets around 128 mm of rain over 15.5 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 52% and peaks near 53% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
151
251
351
452
552
652
752
852
952
1052
1151
1251
1351
1451
1551
1651
1751
1851
1951
2051
2151
2251
2352
2452
2552
2653
2753
2853
2953
3053

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1192233224
2182233225
3162233236
4152232246
5142232257
6132232258
7122231268
8112230279
91022302810
101021292911
11921283012
12820273113
13819263215
14718263316
15717253417
16716243518
17715233520
18615223621
19614223622
20613213723
21612213724
22612203726
23611193727
24510193629
25510193630
26510183532
2749183533
2849183434
2949183335
3039183337

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:17 PM.

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

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.45 kWh/m².

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.9 kWh/m² in July across the year — April's 4.45 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Jiufen

In seasonPeak

In April, Jiufen sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Jiufen 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 Jiufen?

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

5.7
Sightseeing
1st-best month of the year
4.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Jiufen for sightseeing.

What to pack for Jiufen in April

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

In April, Jiufen sees daytime highs around 23°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 16 days see rain.

rain gearlight clothes

Sea temperature near Jiufen 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 offshore 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 Jiufen in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jiufen peaks around July 13 at about 12 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJul 13UV 12Dec 22UV 4
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep11Extreme
Oct8Very high
Nov7High
Dec4Moderate

Air quality in Jiufen 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 Jiufen is worst in April — around 52 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (October, 25 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateApr 1052 µg/m³Oct 1626 µg/m³
PM2.5 (µg/m³)Level
Jan38Poor
Feb43Poor
Mar51Poor
Apr52Poor
May44Poor
Jun41Poor
Jul32Moderate
Aug32Moderate
Sep30Moderate
Oct25Moderate
Nov32Moderate
Dec32Moderate
Location & terrain

Where is Jiufen?

Jiufen sits at 25.1°N, 121.8°E, 0 m above sea level, in Taiwan. The nearest listed city is Keelung, 11 km away.

NeihuTaipeiSanzhiNew Taipei CityBanqiaoYilan

Topography around Jiufen

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jiufen.

Within 3 km, the terrain around Jiufen has large variations in elevation — a maximum elevation change of 710 m around an average of 221 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 752 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,425 m.

The land around Jiufen is covered by trees (77%) within 3 km, trees (48%) and water (48%) within 16 km, and water (64%) and trees (29%) within 80 km.

3 km
710 m
16 km
752 m
80 km
2,425 m
treescroplandartificial surfaceswater
April weather nearby: Keelung 11 km · Xizhi 19 km · Neihu 26 km · Taipei 33 km · Sanzhi 38 km · New Taipei City 39 km · Banqiao 39 km · Yilan 40 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 Jiufen (25.1096°, 121.8442°, elevation 0 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).