Climate averages 1991–2020
Cilacap weather
in May.
A hot, wet month: one of the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Cilacap: daytime highs average 28.3°C and nights cool to about 24.7°C. By daytime temperature it is one of the warmest months of the year.
Expect about 162 mm of rain on roughly 25 days, which makes May a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 46 min on an average May day.
The nearest other city in this atlas is Purwokerto (42 km away). In May its highs average 29.4°C, 1.1°C warmer than Cilacap, with 148 mm of rain.
Among the 200 cities listed in Indonesia, Cilacap ranks joint 158th of 200 for the warmest May highs and 104th of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Cilacap is 0.9°C cooler than that mean.
From May to June, average highs fall by 0.5°C to 27.8°C, and monthly rainfall falls from 162 mm to 127 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cilacap climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.0°C24.8°C | 24.8°C | 315 | 28.2 | 12.513 h |
| February | 28.1°C24.8°C | 24.8°C | 244 | 25.2 | 12.412 h |
| March | 28.2°C24.8°C | 24.8°C | 259 | 27.9 | 12.112 h |
| April | 28.3°C24.7°C | 24.7°C | 206 | 27.0 | 11.912 h |
| May, selected | 28.3°C24.7°C | 24.7°C | 162 | 25.0 | 11.812 h |
| June | 27.8°C24.2°C | 24.2°C | 127 | 21.4 | 11.712 h |
| July | 27.0°C23.4°C | 23.4°C | 101 | 17.7 | 11.712 h |
| August | 26.8°C23.1°C | 23.1°C | 72 | 15.3 | 11.912 h |
| September | 27.0°C23.3°C | 23.3°C | 109 | 17.9 | 12.112 h |
| October | 27.4°C23.8°C | 23.8°C | 221 | 23.4 | 12.312 h |
| November | 27.5°C24.4°C | 24.4°C | 365 | 27.5 | 12.512 h |
| December | 27.7°C24.7°C | 24.7°C | 394 | 28.1 | 12.613 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Purwokerto in MayIndonesia · 42 kmHigh 29.4°C · Low 23.1°C · 148 mm rain
- Ciamis in MayIndonesia · 85 kmHigh 28.3°C · Low 22.3°C · 174 mm rain
- Tarub in MayIndonesia · 90 kmHigh 29.6°C · Low 24.5°C · 166 mm rain
- Tegal in MayIndonesia · 96 kmHigh 29.6°C · Low 24.6°C · 123 mm rain
- Tasikmalaya in MayIndonesia · 98 kmHigh 27.7°C · Low 21.6°C · 174 mm rain
- Pemalang in MayIndonesia · 102 kmHigh 29.5°C · Low 24.3°C · 181 mm rain
- Kuningan in MayIndonesia · 102 kmHigh 27.6°C · Low 21.4°C · 127 mm rain
- Wonosobo in MayIndonesia · 107 kmHigh 26.1°C · Low 19.6°C · 191 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cilacap) is explained once on the Cilacap year overview and on the Sources, method and limits page.