Rangkasbitung weather in April

In April, Rangkasbitung sees average daytime highs of 31°C and overnight lows near 24°C, with 226 mm of rain across 26.8 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 6th-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 4% of the time in April, and the air most often feels oppressive.

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 Rangkasbitung's 7th-clearest and 6th-windiest month. For the whole year in context, see Rangkasbitung's year-round climate.

Daytime high
31°
5th warmest
Overnight low
24°
12th coldest
Rainfall
226 mm
26.8 wet days
Daylight
11 h 54 min
5:59 AM – 5:51 PM
Cloud cover
81%
7th clearest
Wind
5 km/h
6th windiest
Solar energy
4.89 kWh/m²
Travel score
2.7
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 Rangkasbitung reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°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)
13024
23024
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How April really feels in Rangkasbitung

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
heat index over the day's high
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.

Rangkasbitung weather by month

How April compares with the rest of the year at a glance. April is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°3082912.32.9
Feb30° / 24°2852712.22.7
Mar30° / 24°27228.8122.7
Apr31° / 24°22626.811.92.7
May31° / 24°15223.111.73.2
Jun31° / 23°10317.611.63.8
Jul30° / 23°7414.111.74.3
Aug31° / 23°6013.111.84.3
Sep31° / 23°7413.9123.8
Oct31° / 24°14421.412.13.1
Nov31° / 24°24126.312.32.7
Dec30° / 24°30027.512.42.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 85%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51189
61189
71189
81189
91288
101387
111387
121387
131387
141387
151486
161486
171486
181585
191585
201783
211783
221783
231981
241981
252080
262080
272080
282278
292377
302476

Chance of precipitation in April

Any precipitation

Rangkasbitung gets around 226 mm of rain over 26.8 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 89% and peaks near 93% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
193
292
392
492
592
692
791
891
991
1090
1190
1290
1390
1489
1589
1689
1789
1889
1988
2088
2188
2288
2387
2487
2587
2686
2786
2886
2986
3085

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15743
25743
35644
45644
55644
65644
75644
85644
95545
105545
115545
125446
135446
145347
155248
165149
175050
184951
194852
204852
214753
224654
234555
244555
254456
264357
274357
284258
294159
304159

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:01 AM to 5:59 AM, and sunset from 5:58 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:015:58
211.96:015:58
311.96:015:57
411.96:015:57
511.96:015:56
611.96:015:56
711.96:005:55
811.96:005:55
911.96:005:54
1011.96:005:54
1111.96:005:53
1211.96:005:53
1311.96:005:52
1411.96:005:52
1511.96:005:51
1611.95:595:51
1711.95:595:51
1811.85:595:50
1911.85:595:50
2011.85:595:49
2111.85:595:49
2211.85:595:49
2311.85:595:48
2411.85:595:48
2511.85:595:48
2611.85:595:47
2711.85:595:47
2811.85:595:47
2911.85:595:46
3011.85:595:46

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.89 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.81 kWh/m² in September across the year — April's 4.89 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in April

Hazard calendar for Rangkasbitung

In seasonPeak

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

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

Rangkasbitung's rainy season runs October–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 Rangkasbitung?

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

2.7
Sightseeing
9th-best month of the year
3.9
Beach & pool
9th-best month of the year

April is a weaker month for outdoor sightseeing in Rangkasbitung.

What to pack for Rangkasbitung in April

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

In April, Rangkasbitung sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Rangkasbitung in April

The nearest coast averages about 29°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 41 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
Apr29Tropical
May30Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Rangkasbitung in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rangkasbitung peaks around March 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 15 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highVery highMar 13UV 15Nov 15UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar16Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep10Very high
Oct10Extreme
Nov6High
Dec11Extreme

Air quality in Rangkasbitung 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 Rangkasbitung 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 Rangkasbitung?

Rangkasbitung sits at 6.4°S, 106.2°E, 27 m above sea level, in Indonesia. The nearest listed city is Pandeglang, 17 km away.

Topography around Rangkasbitung

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

Within 3 km, the terrain around Rangkasbitung has only modest variations in elevation — a maximum elevation change of 55 m around an average of 31 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,145 m.

The land around Rangkasbitung is covered by trees (54%) and artificial surfaces (26%) within 3 km, trees (75%) within 16 km, and trees (44%) and water (38%) within 80 km.

3 km
55 m
16 km
248 m
80 km
2,145 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Pandeglang 17 km · Serang 29 km · Kresek 29 km · Cikupa 32 km · Curug 35 km · Pasarkemis 37 km · Cilegon 44 km · Sepatan 45 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 Rangkasbitung (-6.3591°, 106.2494°, 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).