Cilacap weather in June

In June, Cilacap sees average daytime highs of 28°C and overnight lows near 25°C, with 127 mm of rain across 21.4 wet days and about 11.6 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 32% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of June to 11 h 36 min by month's end. Set against the rest of the year, June is Cilacap's 3rd-clearest and 4th-windiest month. For the whole year in context, see Cilacap's year-round climate.

Daytime high
28°
7th warmest
Overnight low
25°
5th coldest
Rainfall
127 mm
21.4 wet days
Daylight
11 h 36 min
5:58 AM – 5:31 PM
Cloud cover
57%
3rd clearest
Wind
14 km/h
4th windiest
Solar energy
4.58 kWh/m²
Travel score
4.8
out of 10

Cilacap is capital of Cilacap Regency.

Founded
1982

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical June day in Cilacap reaches about 28°C in the afternoon and slips back to 25°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, June runs on par with May and about 1°C warmer than July.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142825
152825
162825
172825
182825
192825
202725
212725
222725
232725
242725
252725
262725
272725
282725
292725
302725

How June really feels in Cilacap

Once humidity and wind are folded in, June 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

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cilacap weather by month

How June compares with the rest of the year at a glance. June is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 26°31628.212.43.6
Feb28° / 26°2402512.33.6
Mar28° / 26°25927.912.13.4
Apr28° / 26°2062711.83.4
May28° / 26°1622511.74.0
Jun28° / 25°12721.411.64.8
Jul27° / 25°10117.711.65.5
Aug26° / 24°7215.311.76.0
Sep26° / 24°11017.9125.4
Oct27° / 25°22123.412.24.6
Nov27° / 25°36527.512.43.6
Dec28° / 26°39428.112.43.5

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 22% of June, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45149
55248
65149
75248
85347
95347
105446
115347
125446
135446
145446
155545
165644
175644
185644
195644
205644
215644
225644
235644
245644
255644
265644
275644
285644
295644
305545

Chance of precipitation in June

Any precipitation

Cilacap gets around 127 mm of rain over 21.4 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 71% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
176
276
376
475
575
675
775
875
975
1074
1174
1274
1374
1474
1574
1673
1773
1872
1971
2071
2170
2269
2368
2467
2565
2664
2763
2862
2962
3061

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
116039
216138
316138
416237
516336
616435
716534
816633
916732
1016930
1117029
1217227
1317425
1417623
1527622
1627820
1727919
1828117
1938116
2038215
2148214
2248313
2358213
2458312
2568311
2668311
2778310
288839
298839
309838

Wind in June

Winds average 14 km/h in June.

Across June, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3016light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 11 h 36 min at the start of June to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over June. Sunrise moves from 5:54 AM to 6:00 AM, and sunset from 5:29 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:545:29
211.65:545:29
311.65:545:29
411.65:555:29
511.65:555:29
611.65:555:29
711.65:555:29
811.65:565:30
911.65:565:30
1011.65:565:30
1111.65:565:30
1211.65:575:30
1311.65:575:30
1411.65:575:30
1511.65:575:31
1611.65:585:31
1711.65:585:31
1811.65:585:31
1911.65:585:31
2011.65:595:32
2111.65:595:32
2211.65:595:32
2311.65:595:32
2411.65:595:32
2511.66:005:33
2611.66:005:33
2711.66:005:33
2811.66:005:33
2911.66:005:34
3011.66:005:34

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.58 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 5.61 kWh/m² in September across the year — June's 4.58 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in June

Hazard calendar for Cilacap

In seasonPeak

None of Cilacap's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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

Cilacap'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 June a good time to visit Cilacap?

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

4.8
Sightseeing
4th-best month of the year
5.0
Beach & pool
4th-best month of the year

June is a reasonable time to visit Cilacap for sightseeing.

What to pack for Cilacap in June

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

In June, Cilacap sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

Sea temperature near Cilacap in June

The nearest coast averages about 28°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 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 Cilacap in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cilacap peaks around March 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 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 14UV 7
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun7High
Jul10Very high
Aug11Extreme
Sep12Extreme
Oct13Extreme
Nov9Very high
Dec12Extreme

Air quality in Cilacap in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Cilacap 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 Cilacap?

Cilacap sits at 7.7°S, 109.0°E, 10 m above sea level, in Indonesia. The nearest listed city is Wangon, 24 km away.

Topography around Cilacap

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

Within 3 km, the terrain around Cilacap has only modest variations in elevation — a maximum elevation change of 123 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 209 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,396 m.

The land around Cilacap is covered by artificial surfaces (42%) and water (36%) within 3 km, water (51%) and trees (24%) within 16 km, and trees (49%) and water (35%) within 80 km.

3 km
123 m
16 km
209 m
80 km
3,396 m
treesgrasslandcroplandartificial surfaceswatermangroves
June weather nearby: Wangon 24 km · Kroya 28 km · Sidareja 36 km · Banyumas 39 km · Purwokerto 42 km · Sokaraja 43 km · Baturaden 53 km · Purbalingga 54 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 Cilacap (-7.7264°, 109.0094°, elevation 10 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).