Climate averages 1991–2020
Cilegon weather
in June.
A hot, wet month: the joint 6th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Cilegon: daytime highs average 29.2°C and nights cool to about 24.4°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 120 mm of rain on roughly 20 days, which makes June a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 47 min on an average June day.
The nearest other city in this atlas is Serang (16 km away). In June its highs average 29.6°C, about as warm as Cilegon, with 100 mm of rain.
Among the 200 cities listed in Indonesia, Cilegon ranks joint 104th of 200 for the warmest June highs and 124th of 200 for the driest June (rainfall, lowest first). The mean June high of those 200 cities is 29.0°C; Cilegon is 0.2°C warmer than that mean.
From June to July, average highs fall by 0.1°C to 29.1°C, and monthly rainfall falls from 120 mm to 94 mm.
The annual picture
June 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
Cilegon climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.4°C24.3°C | 24.3°C | 286 | 28.7 | 12.412 h |
| February | 28.6°C24.4°C | 24.4°C | 264 | 26.4 | 12.312 h |
| March | 28.9°C24.7°C | 24.7°C | 251 | 28.0 | 12.112 h |
| April | 29.2°C24.8°C | 24.8°C | 218 | 26.5 | 12.012 h |
| May | 29.4°C24.8°C | 24.8°C | 165 | 23.8 | 11.812 h |
| June, selected | 29.2°C24.4°C | 24.4°C | 120 | 20.1 | 11.812 h |
| July | 29.1°C23.9°C | 23.9°C | 94 | 18.1 | 11.812 h |
| August | 29.5°C23.9°C | 23.9°C | 70 | 16.9 | 11.912 h |
| September | 30.1°C24.2°C | 24.2°C | 74 | 15.8 | 12.112 h |
| October | 30.2°C24.7°C | 24.7°C | 134 | 20.3 | 12.212 h |
| November | 29.3°C24.7°C | 24.7°C | 223 | 25.2 | 12.412 h |
| December | 28.3°C24.5°C | 24.5°C | 293 | 27.1 | 12.512 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
June in nearby cities
- Serang in JuneIndonesia · 16 kmHigh 29.6°C · Low 23.8°C · 100 mm rain
- Pandeglang in JuneIndonesia · 33 kmHigh 28.8°C · Low 22.2°C · 121 mm rain
- Kresek in JuneIndonesia · 38 kmHigh 29.8°C · Low 23.6°C · 98 mm rain
- Rangkasbitung in JuneIndonesia · 44 kmHigh 30.0°C · Low 22.9°C · 103 mm rain
- Pasarkemis in JuneIndonesia · 55 kmHigh 29.8°C · Low 22.6°C · 98 mm rain
- Curug in JuneIndonesia · 62 kmHigh 30.2°C · Low 22.1°C · 98 mm rain
- Teluknaga in JuneIndonesia · 65 kmHigh 30.2°C · Low 23.6°C · 87 mm rain
- Tangerang in JuneIndonesia · 66 kmHigh 30.0°C · Low 22.7°C · 85 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 Cilegon) is explained once on the Cilegon year overview and on the Sources, method and limits page.