Sidareja weather in April

In April, Sidareja sees average daytime highs of 30°C and overnight lows near 24°C, with 230 mm of rain across 26.1 wet days and about 11.8 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 6% 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 42 min by month's end. Set against the rest of the year, April is Sidareja's 7th-clearest and 11th-windiest month. For the whole year in context, see Sidareja's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
12th coldest
Rainfall
230 mm
26.1 wet days
Daylight
11 h 48 min
5:50 AM – 5:40 PM
Cloud cover
80%
7th clearest
Wind
5 km/h
11th windiest
Solar energy
4.74 kWh/m²
Travel score
3.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical April day in Sidareja reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°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
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024

How April really feels in Sidareja

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.

Sidareja weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°33228.412.42.8
Feb30° / 24°3032712.22.7
Mar30° / 24°29428.412.12.8
Apr30° / 24°23026.111.83.0
May30° / 24°14820.611.73.9
Jun29° / 23°10316.211.64.8
Jul28° / 22°7112.711.65.9
Aug27° / 22°529.211.86.5
Sep28° / 23°8112.2125.7
Oct29° / 23°17419.212.24.3
Nov29° / 24°28925.912.33.2
Dec29° / 24°31928.312.42.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11387
21387
31387
41387
51486
61585
71585
81585
91585
101585
111585
121585
131585
141585
151486
161486
171486
181585
191585
201783
211882
221981
231981
242080
252278
262278
272377
282476
292674
302773

Chance of precipitation in April

Any precipitation

Sidareja gets around 230 mm of rain over 26.1 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 88% and peaks near 92% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
192
292
392
491
591
691
791
890
990
1090
1189
1289
1389
1489
1589
1688
1788
1888
1987
2087
2186
2285
2385
2484
2584
2683
2782
2882
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 50% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15545
25545
35545
45545
55644
65644
75644
85644
95644
105545
115545
125446
135347
145248
155149
165050
174951
184852
194753
204654
214555
224456
234456
244357
254357
264258
274258
284258
294258
304357

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 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
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 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over April. Sunrise moves from 5:51 AM to 5:50 AM, and sunset from 5:48 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:515:48
211.95:515:47
311.95:515:47
411.95:515:46
511.95:515:46
611.95:515:45
711.95:515:45
811.95:515:44
911.95:515:43
1011.95:505:43
1111.95:505:42
1211.95:505:42
1311.95:505:42
1411.85:505:41
1511.85:505:41
1611.85:505:40
1711.85:505:40
1811.85:505:39
1911.85:505:39
2011.85:505:38
2111.85:505:38
2211.85:505:38
2311.85:505:37
2411.85:505:37
2511.85:505:36
2611.85:505:36
2711.85:505:36
2811.85:505:35
2911.85:505:35
3011.75:505:35

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.74 kWh/m².

For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 5.16 kWh/m² in September across the year — April's 4.74 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Sidareja

In seasonPeak

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

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

Sidareja's rainy season runs October–April, 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 Sidareja?

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

3.0
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 Sidareja.

What to pack for Sidareja in April

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

In April, Sidareja sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Sidareja 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 44 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug26Warm
Sep26Warm
Oct27Warm
Nov28Warm
Dec29Tropical

UV index in Sidareja in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sidareja peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 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 highExtremeExtremeMar 12UV 15Jun 15UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun7High
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov9Very high
Dec12Extreme

Air quality in Sidareja 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 Sidareja is worst in May — around 46 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMay 1545 µg/m³Sep 1630 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb39Poor
Mar41Poor
Apr44Poor
May46Poor
Jun43Poor
Jul37Poor
Aug31Moderate
Sep30Moderate
Oct31Moderate
Nov32Moderate
Dec33Moderate
Location & terrain

Where is Sidareja?

Sidareja sits at 7.5°S, 108.8°E, 8 m above sea level, in Indonesia. The nearest listed city is Majenang, 21 km away.

Topography around Sidareja

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

Within 3 km, the terrain around Sidareja has only modest variations in elevation — a maximum elevation change of 77 m around an average of 8 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 437 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Sidareja is covered by cropland (46%) and trees (37%) within 3 km, trees (51%) and cropland (42%) within 16 km, and trees (53%) and water (26%) within 80 km.

3 km
77 m
16 km
437 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Majenang 21 km · Wangon 29 km · Cilacap 36 km · Purwokerto 49 km · Margasari 50 km · Baturaden 51 km · Ciamis 52 km · Kroya 53 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 Sidareja (-7.4846°, 108.7923°, elevation 8 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).