Climate averages 1991–2020
Serang weather
in October.
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.
October is a hot month in Serang: daytime highs average 30.9°C and nights cool to about 24.3°C. By daytime temperature it is one of the warmest months of the year.
Expect about 119 mm of rain on roughly 21 days, which makes October a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average October day.
The nearest other city in this atlas is Cilegon (16 km away). In October its highs average 30.2°C, 0.7°C cooler than Serang, with 134 mm of rain.
Among the 200 cities listed in Indonesia, Serang ranks joint 72nd of 200 for the warmest October highs and joint 59th of 200 for the driest October (rainfall, lowest first). The mean October high of those 200 cities is 30.1°C; Serang is 0.8°C warmer than that mean.
From October to November, average highs fall by 1.1°C to 29.8°C, and monthly rainfall rises from 119 mm to 192 mm.
The annual picture
October 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
Serang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.6°C24.1°C | 24.1°C | 278 | 28.3 | 12.412 h |
| February | 28.8°C24.1°C | 24.1°C | 257 | 26.5 | 12.312 h |
| March | 29.2°C24.3°C | 24.3°C | 236 | 27.5 | 12.112 h |
| April | 29.5°C24.4°C | 24.4°C | 190 | 25.5 | 12.012 h |
| May | 29.7°C24.2°C | 24.2°C | 133 | 21.6 | 11.812 h |
| June | 29.6°C23.8°C | 23.8°C | 100 | 17.6 | 11.812 h |
| July | 29.5°C23.4°C | 23.4°C | 73 | 15.0 | 11.812 h |
| August | 30.1°C23.5°C | 23.5°C | 50 | 12.8 | 11.912 h |
| September | 30.9°C23.8°C | 23.8°C | 62 | 14.2 | 12.112 h |
| October, selected | 30.9°C24.3°C | 24.3°C | 119 | 20.7 | 12.212 h |
| November | 29.8°C24.4°C | 24.4°C | 192 | 25.8 | 12.412 h |
| December | 28.7°C24.2°C | 24.2°C | 256 | 26.3 | 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
October in nearby cities
- Cilegon in OctoberIndonesia · 16 kmHigh 30.2°C · Low 24.7°C · 134 mm rain
- Pandeglang in OctoberIndonesia · 22 kmHigh 29.9°C · Low 22.6°C · 181 mm rain
- Kresek in OctoberIndonesia · 25 kmHigh 31.3°C · Low 24.1°C · 146 mm rain
- Rangkasbitung in OctoberIndonesia · 29 kmHigh 31.1°C · Low 23.1°C · 144 mm rain
- Pasarkemis in OctoberIndonesia · 42 kmHigh 31.5°C · Low 23.4°C · 146 mm rain
- Curug in OctoberIndonesia · 48 kmHigh 32.0°C · Low 23.0°C · 146 mm rain
- Tangerang in OctoberIndonesia · 53 kmHigh 31.7°C · Low 23.5°C · 129 mm rain
- Teluknaga in OctoberIndonesia · 54 kmHigh 31.9°C · Low 24.2°C · 89 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 Serang) is explained once on the Serang year overview and on the Sources, method and limits page.