Monthly Climate
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Best time to visit Cilacap

August is the best time to visit Cilacap for general sightseeing, with average highs of 27 °C and about 8 wet days. The comfortable season runs roughly July to September.

It depends what you are going for

One month rarely wins on everything. These are the best months on each measure taken on its own.

If you want Best month On that measure
Sightseeing and walking August comfort 74/100
A beach holiday August sea 26 °C
The least cloud August 62 % average cloud cover
The least rain August 53 mm
Warmth April 28 °C
Cooler weather August 27 °C

Ranked by comfort

# Month Comfort / 100 Avg high Wet days Beach
1 August 74 27 °C 8 90
2 July 69 27 °C 11 83
3 September 67 27 °C 12 82
4 June 59 28 °C 16 73
5 October 54 27 °C 20 75
6 November 53 28 °C 27 73
7 December 52 28 °C 29 71
8 January 51 28 °C 29 70
9 February 51 28 °C 27 70
10 May 51 28 °C 21 70
11 March 51 28 °C 29 69
12 April 50 28 °C 26 69

For a beach holiday

August scores highest, with a sea temperature of 26 °C and air temperatures around 27 °C. The sea never reaches 20 °C here.

Month Sea Air Sunshine Beach score
January 29 °C 28 °C 91 % 70
February 29 °C 28 °C 91 % 70
March 29 °C 28 °C 87 % 69
April 29 °C 28 °C 82 % 69
May 29 °C 28 °C 68 % 70
June 28 °C 28 °C 64 % 73
July 27 °C 27 °C 63 % 83
August 26 °C 27 °C 62 % 90
September 26 °C 27 °C 70 % 82
October 27 °C 27 °C 78 % 75
November 28 °C 28 °C 88 % 73
December 29 °C 28 °C 92 % 71

When to think twice

April scores lowest with about 26 wet days and highs near 28 °C. That does not make it a bad month — it depends entirely on what you are travelling for. The numbers are all here; the judgement is yours.

The full year

Month Avg high Rainfall Cloud
January 28.1 °C 375 mm 91 %
February 28.2 °C 336 mm 91 %
March 28.3 °C 329 mm 87 %
April 28.4 °C 248 mm 82 %
May 28.3 °C 154 mm 68 %
June 27.8 °C 106 mm 64 %
July 27.0 °C 72 mm 63 %
August 26.8 °C 53 mm 62 %
September 27.0 °C 85 mm 70 %
October 27.4 °C 199 mm 78 %
November 27.6 °C 330 mm 88 %
December 27.8 °C 387 mm 92 %

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: comfort score, beach score, season boundaries. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.