Erlun weather in April

In April, Erlun sees average daytime highs of 27°C and overnight lows near 20°C, with 147 mm of rain across 14.9 wet days and about 12.5 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 28% 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 Erlun's 7th-clearest and 9th-windiest month. For the whole year in context, see Erlun's year-round climate.

Daytime high
27°
7th warmest
Overnight low
20°
6th coldest
Rainfall
147 mm
14.9 wet days
Daylight
12 h 36 min
5:42 AM – 6:15 PM
Cloud cover
60%
7th clearest
Wind
7 km/h
9th windiest
Solar energy
5.57 kWh/m²
Travel score
5.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical April day in Erlun reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, April runs about 3°C warmer than March and about 2°C cooler than May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12518
22618
32618
42618
52618
62619
72619
82619
92619
102619
112619
122719
132719
142719
152720
162720
172720
182720
192720
202720
212820
222820
232820
242821
252821
262821
272821
282821
292821
302821

How April really feels in Erlun

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.

Erlun weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 13°569.810.76.8
Feb22° / 14°6611.211.26.5
Mar24° / 16°9812.711.86.6
Apr27° / 20°14714.912.55.7
May29° / 22°24519.213.14.2
Jun31° / 24°31321.313.43.2
Jul31° / 25°35921.913.33.0
Aug31° / 25°44123.912.83.0
Sep30° / 24°26717.912.13.9
Oct29° / 22°1201111.45.8
Nov26° / 19°608.310.97.2
Dec23° / 15°618.910.67.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
35050
44951
54951
64852
74852
84852
94852
104852
114852
124852
134852
144753
154654
164654
174654
184654
194654
204654
214456
224456
234456
244258
254258
264159
274159
284060
293961
303961

Chance of precipitation in April

Any precipitation

Erlun gets around 147 mm of rain over 14.9 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 50% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
147
247
348
448
548
648
749
849
949
1049
1149
1249
1349
1450
1550
1650
1750
1850
1950
2050
2150
2251
2351
2452
2553
2653
2754
2854
2955
3055

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 73% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161234463
251133473
351132494
441031514
54931515
64830535
73829546
83728557
93727558
103626569
1126255611
1225235812
1325225714
1425215616
1525195618
1615185620
1715175621
1814165623
1914155525
2014145526
2114135428
2214125330
2314115232
2403105235
250395137
260395039
270284941
280284743
290274644
300174546

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:57 AM to 5:30 AM, and sunset from 6:09 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:576:09
212.25:566:10
312.35:556:10
412.35:546:10
512.35:536:11
612.35:526:11
712.35:516:12
812.45:506:12
912.45:496:12
1012.45:486:13
1112.45:476:13
1212.55:466:14
1312.55:456:14
1412.55:446:14
1512.55:436:15
1612.65:426:15
1712.65:416:16
1812.65:406:16
1912.65:396:16
2012.65:386:17
2112.75:376:17
2212.75:376:18
2312.75:366:18
2412.75:356:19
2512.75:346:19
2612.85:336:19
2712.85:326:20
2812.85:326:20
2912.85:316:21
3012.95:306:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.57 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.57 kWh/m² in April across the year — April's 5.57 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Erlun

In seasonPeak

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

Erlun sits in the Pacific typhoon belt; the season peaks July–October.

Erlun's monsoon runs May–September, when most of the year's rain falls.

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

Is April a good time to visit Erlun?

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

5.7
Sightseeing
7th-best month of the year
5.8
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Erlun for sightseeing.

What to pack for Erlun in April

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

In April, Erlun sees daytime highs around 27°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 Erlun 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 32 km away) is warmest in August at about 29°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
Apr24Warm
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Warm
Oct26Warm
Nov25Warm
Dec22Refreshing

UV index in Erlun 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 Erlun peaks around June 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 17UV 12Dec 20UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr8Very high
May10Very high
Jun12Extreme
Jul10Extreme
Aug11Extreme
Sep9Very high
Oct7Very high
Nov7High
Dec6High

Air quality in Erlun 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 Erlun is worst in March — around 56 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (July, 33 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1855 µg/m³Jul 1133 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb48Poor
Mar56Unhealthy
Apr50Poor
May41Poor
Jun34Moderate
Jul33Moderate
Aug36Poor
Sep41Poor
Oct38Poor
Nov41Poor
Dec39Poor
Location & terrain

Where is Erlun?

Erlun sits at 23.8°N, 120.4°E, 27 m above sea level, in Taiwan. The nearest listed city is Xiluo, 6.0 km away.

Topography around Erlun

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

Within 3 km, the terrain around Erlun has only modest variations in elevation — a maximum elevation change of 16 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,887 m.

The land around Erlun is covered by cropland (57%) and artificial surfaces (21%) within 3 km, cropland (63%) within 16 km, and trees (42%) and water (35%) within 80 km.

3 km
16 m
16 km
67 m
80 km
3,887 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Xiluo 6.0 km · Citong 9.0 km · Douliu 15 km · Erlin 15 km · Pitou 15 km · Beidou 16 km · Tianwei 18 km · Tianzhong 20 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 Erlun (23.7705°, 120.4134°, elevation 27 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).