Cilacap weather in July

In July, Cilacap sees average daytime highs of 27°C and overnight lows near 25°C, with 101 mm of rain across 17.7 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 34% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of July to 11 h 42 min by month's end. Set against the rest of the year, July is Cilacap's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Cilacap's year-round climate.

Daytime high
27°
9th warmest
Overnight low
25°
3rd coldest
Rainfall
101 mm
17.7 wet days
Daylight
11 h 36 min
6:02 AM – 5:37 PM
Cloud cover
56%
2nd clearest
Wind
16 km/h
3rd windiest
Solar energy
4.73 kWh/m²
Travel score
5.5
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Cilacap reaches about 27°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 25°C and 28°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72725
82725
92725
102725
112725
122725
132725
142725
152725
162725
172724
182724
192724
202724
212724
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How July really feels in Cilacap

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 9th-warmest and 11th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55446
65446
75446
85446
95446
105446
115545
125545
135545
145644
155644
165644
175644
185644
195644
205644
215743
225743
235842
245941
255941
265941
275941
285941
296040
306040
316040

Chance of precipitation in July

Any precipitation

Cilacap gets around 101 mm of rain over 17.7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 57% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
259
359
459
558
658
758
858
958
1058
1158
1258
1358
1458
1558
1658
1758
1858
1958
2058
2157
2257
2357
2457
2557
2657
2756
2856
2955
3054
3153

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
110828
210837
311827
412817
512826
613816
713816
814815
914815
1015805
1115814
1215814
1315814
1416804
1516804
1616804
1716813
1816813
1917803
2017803
2117803
2218802
2318802
2419792
2519792
2620782
2721781
2822771
2923761
3023761
3124751

Wind in July

Winds average 16 km/h in July.

Across July, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3018light breeze
3118light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 36 min at the start of July to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 6:01 AM to 6:00 AM, and sunset from 5:34 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:015:34
211.66:015:34
311.66:015:34
411.66:015:35
511.66:015:35
611.66:015:35
711.66:015:35
811.66:015:36
911.66:025:36
1011.66:025:36
1111.66:025:36
1211.66:025:36
1311.66:025:37
1411.66:025:37
1511.66:025:37
1611.66:025:37
1711.66:025:37
1811.66:025:38
1911.66:025:38
2011.66:025:38
2111.66:025:38
2211.66:025:38
2311.66:025:39
2411.66:015:39
2511.66:015:39
2611.66:015:39
2711.66:015:39
2811.66:015:39
2911.66:015:39
3011.66:015:40
3111.76:005:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.73 kWh/m².

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 — July's 4.73 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
315.0Bright
Planning a trip in July

Hazard calendar for Cilacap

In seasonPeak

None of Cilacap's seasonal hazards are active in July. 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 July a good time to visit Cilacap?

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

5.5
Sightseeing
2nd-best month of the year
5.5
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Cilacap for sightseeing.

What to pack for Cilacap in July

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

In July, Cilacap sees daytime highs around 27°C and nights near 25°C. Pack rain gear. Worth having: light clothes and sun protection. About 18 days see rain.

rain gearlight clothessun protection

Sea temperature near Cilacap in July

The nearest coast averages about 27°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).