Sepatan weather in April

In April, Sepatan sees average daytime highs of 31°C and overnight lows near 26°C, with 191 mm of rain across 25.7 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 9% of the time in April, and the air most often feels miserable.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 48 min by month's end. Set against the rest of the year, April is Sepatan's 7th-clearest and 6th-windiest month. For the whole year in context, see Sepatan's year-round climate.

Daytime high
31°
7th warmest
Overnight low
26°
10th coldest
Rainfall
191 mm
25.7 wet days
Daylight
11 h 54 min
5:58 AM – 5:50 PM
Cloud cover
77%
7th clearest
Wind
7 km/h
6th windiest
Solar energy
5.25 kWh/m²
Travel score
2.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical April day in Sepatan reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, April runs on par with March and on par with May.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273126
283126
293126
303126

How April really feels in Sepatan

Once humidity and wind are folded in, April averages 30 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
30
2 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sepatan weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 25°27928.512.32.8
Feb30° / 25°25026.412.22.7
Mar31° / 25°23228122.7
Apr31° / 26°19125.711.92.8
May31° / 26°12920.611.73.3
Jun31° / 25°9715.911.73.9
Jul31° / 25°681311.74.3
Aug31° / 25°389.811.84.5
Sep32° / 25°4911.2124.0
Oct32° / 26°10718.412.13.3
Nov31° / 26°18224.612.32.8
Dec30° / 25°24526.112.32.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 78%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61882
71882
81882
91981
102080
112080
122080
132080
142080
152179
162278
172278
182278
192278
202575
212575
222674
232773
242773
252872
262872
272872
282872
292971
303070

Chance of precipitation in April

Any precipitation

Sepatan gets around 191 mm of rain over 25.7 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 85% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
188
288
388
488
588
687
787
887
987
1086
1186
1286
1386
1486
1586
1686
1785
1885
1985
2085
2184
2284
2384
2483
2583
2682
2782
2881
2981
3081

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the miserable band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
11090
2991
3991
4892
5892
6892
7892
8793
9793
10793
11793
12694
13694
14694
15595
16595
17595
18595
19595
20496
21496
22496
23496
24397
25397
26397
27397
28397
29298
30298

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over April. Sunrise moves from 6:00 AM to 5:57 AM, and sunset from 5:57 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:005:57
211.96:005:56
311.96:005:56
411.95:595:55
511.95:595:55
611.95:595:54
711.95:595:54
811.95:595:53
911.95:595:53
1011.95:595:53
1111.95:585:52
1211.95:585:52
1311.95:585:51
1411.95:585:51
1511.95:585:50
1611.95:585:50
1711.95:585:49
1811.95:585:49
1911.85:585:49
2011.85:585:48
2111.85:585:48
2211.85:575:48
2311.85:575:47
2411.85:575:47
2511.85:575:46
2611.85:575:46
2711.85:575:46
2811.85:575:45
2911.85:575:45
3011.85:575:45

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 4.8 kWh/m² to a high of 6.18 kWh/m² in September across the year — April's 5.25 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Sepatan

In seasonPeak

In April, Sepatan sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.

Sepatan sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Sepatan's rainy season runs November–May, when most of the year's rain falls.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Sepatan?

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

2.8
Sightseeing
8th-best month of the year
4.1
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Sepatan.

What to pack for Sepatan in April

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

In April, Sepatan sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Sepatan in April

The nearest coast averages about 30°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 28 km away) is warmest in May at about 30°C and coldest in January near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Sepatan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sepatan peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeVery highMar 15UV 15Nov 16UV 7
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep10Very high
Oct11Extreme
Nov7High
Dec11Extreme

Air quality in Sepatan 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 Sepatan is worst in May — around 74 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (December, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 2073 µg/m³Dec 2438 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar51Poor
Apr62Unhealthy
May74Unhealthy
Jun69Unhealthy
Jul67Unhealthy
Aug67Unhealthy
Sep70Unhealthy
Oct69Unhealthy
Nov61Unhealthy
Dec38Poor
Location & terrain

Where is Sepatan?

Sepatan sits at 6.1°S, 106.6°E, 11 m above sea level, in Indonesia. The nearest listed city is Teluknaga, 7.0 km away.

Topography around Sepatan

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

Within 3 km, the terrain around Sepatan has only modest variations in elevation — a maximum elevation change of 15 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 46 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,184 m.

The land around Sepatan is covered by artificial surfaces (42%) and cropland (40%) within 3 km, artificial surfaces (39%) and cropland (21%) within 16 km, and water (42%) and trees (34%) within 80 km.

3 km
15 m
16 km
46 m
80 km
2,184 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Teluknaga 7.0 km · Pasarkemis 8.0 km · Tangerang 9.0 km · Cikupa 15 km · Curug 16 km · Ciputat 19 km · Kresek 22 km · Serpong 24 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Sepatan (-6.1189°, 106.575°, elevation 11 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).