Cilacap i
Coastal town · Central Java

Cilacap

Kabupaten Cilacap · Indonesia

Now
25°
Sea temperature
25°
Local time
05:31 AM
Population
257K
Elevation
10 m
Best time to go
Jul–Sep
Go score 96/100
Sea temperature
29°
April
Main airport
YIA
117 km
Time zone
UTC+7
Asia/Jakarta
At a glance

Cilacap is a town that located in the southwest of Central Java, Indonesia. It act as the seat regency of Cilacap.

The best months to visit are July–September.

The sea is warmest in April, at about 29°C (84°F).

Swimming season (water ≥ 21 °C): January–December.

April is the hottest month, with highs around 31°C (88°F).

August is the coldest month, with lows around 22°C (72°F).

The wettest month is January, with rain on about 18 days.

August is the sunniest month, with about 8.5 hours of sunshine a day.

In October, it’s warmer here than in 50% of places in Indonesia.

Weather

16-day forecast

Cilacap weather forecast
25°
Mainly clear
Feels like
29°
Humidity
90%
Wind
14 km/h E
Gusts
18 km/h
Cloud cover
49%
Pressure
1013 hPa
UV index
0 (now)
Sunrise / Sunset
05:20 / 17:37

Next 48 hours

25° 05 25° 08 26° 11 26° 14 26° 17 26° 20 25° 23 25° 02 25° 05 25° 08 26° 11 26° 14 26° 17 26° 20 25° 23 25° 02
Today
Oct 18
Overcast
26°25°
8% 14 SE
Tomorrow
Oct 19
Light drizzle
26°25°
20% 0.8 mm 18 SE
Tue
Oct 20
Partly cloudy
26°25°
2% 15 SE
Wed
Oct 21
Light drizzle
26°25°
14% 0.7 mm 16 SE
Thu
Oct 22
Overcast
26°25°
10% 15 SE
Fri
Oct 23
Light drizzle
26°25°
14% 0.6 mm 19 SE
Sat
Oct 24
Drizzle
26°25°
21% 4.2 mm 16 SE
Sun
Oct 25
Overcast
26°25°
15% 18 SE
Mon
Oct 26
Light drizzle
26°25°
21% 0.4 mm 14 SE
Tue
Oct 27
Light drizzle
26°25°
27% 2.0 mm 16 SE
Wed
Oct 28
Light drizzle
26°25°
27% 1.6 mm 20 SE
Thu
Oct 29
Light drizzle
26°25°
19% 1.0 mm 18 SE
Fri
Oct 30
Light drizzle
26°25°
24% 0.8 mm 13 SE
Sat
Oct 31
Light drizzle
26°25°
23% 1.2 mm 11 SE
Sun
Nov 1
Light drizzle
33°25°
84% 0.6 mm 18 E
Mon
Nov 2
Light drizzle
32°25°
79% 4.3 mm 22 S
European AQI53Moderate
PM2.537.3
PM1042.5
NO₂19.1
O₃19
Pollen

Pollen forecasts are only available in Europe.

Updated: About this data: Forecasts & outlooks

Climate

Best time to visit Cilacap

Average conditions for each month, from long-term climate normals (1961–2020).

Best time to goJuly–September
20°25°30°35°40° 0200400 mm Jan · 327 mmFeb · 252 mmMar · 274 mmApr · 266 mmMay · 215 mmJun · 174 mmJul · 92 mmAug · 101 mmSep · 154 mmOct · 323 mmNov · 373 mmDec · 328 mm 31°31°31°31°31°30°30°30°30°31°31°31° 23°23°23°24°24°23°22°22°23°23°23°23° JanFebMarAprMayJunJulAugSepOctNovDec
Average high Average low Sea temperature Rainfall (mm) Best time to go

Month by month

ClimateJanFebMarAprMayJunJulAugSepOctNovDec
Average high31°31°31°31°31°30°30°30°30°31°31°31°
Average low23°23°23°24°24°23°22°22°23°23°23°23°
Sea temperature29°29°29°29°29°28°27°26°26°27°28°29°
Rainfall (mm)32725227426621517492101154323373328
Rain days1816161411955581417
Sunshine per day (h)6.36.77.3888.18.48.5886.56.9
Daylight (h)12.512.412.211.911.811.711.711.912.112.312.512.6
Humidity (%)858585858585848282838484
Wind (km/h)88789101212121197
Go score687271768589969694887471

The go score (0–100) favours daytime highs of 22–27 °C, mild nights, plenty of sunshine and few rainy days.

Download climate data (CSV)

Updated: About this data: Climate normals

Activities

What to do in Cilacap, month by month

When each activity is at its best, judged from the climate averages.

Rainy season: September–June Dry season: July–August (Based on average monthly rainfall)

What to do in Cilacap, month by month
ActivitiesJanFebMarAprMayJunJulAugSepOctNovDec
Beach & swimming PoorPoorPoorPoorPoorFairGoodGoodGoodFairPoorPoor
Sightseeing & city walks PoorPoorPoorPoorFairFairFairFairFairFairPoorPoor
Diving & snorkelling PoorPoorPoorFairFairGoodGoodGoodGoodGoodPoorPoor
Photography & sunsets FairFairFairFairFairFairGoodGoodGoodFairFairFair

Good Fair Poor · Estimated from long-term averages of temperature, rain days, sunshine and sea temperature.

How each activity is rated
  • Beach & swimming — Good: sea ≥ 24 °C, highs ≥ 26 °C and at most 6 rain days (or under 40 mm of rain in the month). Fair: sea ≥ 21 °C, highs ≥ 23 °C and at most 10 rain days (or under 80 mm).
  • Sightseeing & city walks — Good: highs of 15–27 °C and few rain days. Fair: 11–33 °C.
  • Diving & snorkelling — Good: sea ≥ 25 °C in a dry spell. Fair: ≥ 22 °C, or ≥ 20 °C near known dive sites.
  • Photography & sunsets — Good: at least 7 hours of sunshine a day and few rain days. Fair: 5 hours or more.
Tourist density

Cilacap: tourist crowds by month

How busy it gets through the year — and the months with good weather and fewer visitors.

Tourist density
Low
#93 in Indonesia
Busiest months
July–September
Quietest months
December–March
Sweet spot
May
Good weather, fewer crowds
Very quietQuietModerateBusyVery busy ★ Sweet spot

Best value months

Good weather, fewer visitors, usually lower prices.

December–March

  • Jan68
  • Feb72
  • Mar71
  • Dec71

An estimate: months with a go score of 60 or more and below-average tourist numbers.

Updated: About this data: Crowds & prices

Sea

Cilacap: sea water temperature

Water temperature details
Water temperature today
25°C (78°F)
How it feels: warm

Wave height: 1 m

Swimming season

January–December

Sun26°
Mon26°
Tue26°
Wed26°
Thu26°
Fri27°
Sat27°

Average sea temperature by month

21°C 29° Jan 29° Feb 29° Mar 29° Apr 29° May 28° Jun 27° Jul 26° Aug 26° Sep 27° Oct 28° Nov 29° Dec

About this data: Sea temperature

Nearby beaches & coastal towns

Cilacap travel guide

What to see, do and eat, and where to stay — from an open, community-written travel guide.

Cilacap is a town that located in the southwest of Central Java, Indonesia. It act as the seat regency of Cilacap.

Cilacap is on Central Java's south (Indian Ocean) coast. The island of Nusa Kambangan, known for its high-security prison, is off the coast, and is part of the Cilacap regency.

About this data: Places, guides & photos

CC BY-SA 4.0

Landmarks nearby

Mountains, castles, museums, beaches and heritage sites within 25 km.

Things to do in Cilacap
Practical

Cilacap: practical information

Plugs, money, emergency numbers, safety and typical prices: what to know before you go.

Power plugs
CF
Voltage
127 V · 50 Hz
Driving
Drive on the left
Currency

Indonesian Rupiah

IDR · Rp

1 USD ≈ 18,031 IDR

Languages
Indonesian
Calling code
+62
Emergency numbers
Safety & travel advice
2
Exercise increased cautionUS travel advisory
No travel warningsUK travel advice · Sep 18, 2026
Read the full advice
Typical prices
  • Meal, casual restaurantIDR 137,050≈ $7.60
  • CappuccinoIDR 37,200≈ $2.10
  • Beer (0.5 l)IDR 52,600≈ $2.90
  • Bottled water (1.5 l)IDR 17,350≈ $1.00
  • Taxi, 5 kmIDR 93,950≈ $5.20
  • Public transport ticketIDR 18,050≈ $1.00
  • Mid-range hotel, per nightIDR 1,301,650≈ $72.00

Estimated from Indonesia’s consumer price level — real prices vary by place and season. Prices are about 31% of US levels.

Upcoming public holidays
  • Dec 25Christmas Day
  • Jan 1New Year's Day
Sun & daylight
Sunrise
05:20
Sunset
17:37
Daylight today
12.3 h
Local time in Cilacap
Earthquake history

31 earthquakes of magnitude 5 or more within 100 km in the last 51 years.

Strongest: M6.5 (2017).

Map

How to get to Cilacap

Nearest airports

Distances

estimate

Hotels

Hotels in Cilacap

Hotels and holiday rentals with live nightly prices.

Hotels in Cilacap
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We may earn a commission when you book through this map, at no extra cost to you.

Wildlife around here

The species recorded most often within 25 km, and the months they’re seen.

Get this widget

Climate in Cilacap

Add a free climate card for Cilacap to your website or blog. Copy the code below.

Download climate data (CSV)

Frequently asked questions

When is the best time to visit Cilacap?

Based on climate normals, the best time to visit Cilacap is July–September.

What is the weather like in Cilacap in October?

In October, Cilacap averages a high of 31°C (87°F) and a low of 23°C (74°F), with 323 mm of rain on about 8 days.

How warm is the sea in Cilacap?

The sea is warmest in April (about 29°C (84°F)). Swimming season: January–December.

What is the rainiest month in Cilacap?

January, with rain on about 18 days.

What is the nearest airport to Cilacap?

Yogyakarta International Airport (YIA), about 117 km away.

What power plugs are used in Indonesia?

Plug types C, F, at 127 V.

What currency is used in Indonesia?

Indonesian Rupiah (IDR).

What is the emergency number in Indonesia?

112.

Is Indonesia safe to visit?

US travel advisory: Exercise increased caution. UK travel advice: No travel warnings.

When is Cilacap most crowded?

The busiest months are July–September.

When is Cilacap least crowded?

The quietest months are December–March.

When is the best time to visit Cilacap without the crowds?

May: good weather with fewer visitors than in peak season.

What time zone is Cilacap in?

Asia/Jakarta (UTC+7).

What is the population of Cilacap?

About 256,996.