Climate averages 1991–2020
Nusantara weather
in October.
A hot, very wet month: 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 Nusantara: daytime highs average 30.1°C and nights cool to about 23.5°C. By daytime temperature it is the warmest month of the year.
Expect about 222 mm of rain on roughly 24 days, which makes October a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 08 min on an average October day.
The nearest other city in this atlas is Balikpapan (35 km away). In October its highs average 28.4°C, 1.7°C cooler than Nusantara, with 158 mm of rain.
Among the 200 cities listed in Indonesia, Nusantara ranks joint 103rd of 200 for the warmest October highs and 131st of 200 for the driest October (rainfall, lowest first). The mean October high of those 200 cities is 30.1°C; Nusantara is level with that mean.
From October to November, average highs fall by 0.4°C to 29.7°C, and monthly rainfall rises from 222 mm to 308 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
Nusantara climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.5°C23.3°C | 23.3°C | 323 | 27.9 | 12.212 h |
| February | 29.8°C23.4°C | 23.4°C | 288 | 24.5 | 12.112 h |
| March | 29.9°C23.5°C | 23.5°C | 349 | 28.5 | 12.112 h |
| April | 29.8°C23.7°C | 23.7°C | 356 | 27.9 | 12.112 h |
| May | 29.5°C23.8°C | 23.8°C | 270 | 28.2 | 12.112 h |
| June | 29.0°C23.5°C | 23.5°C | 221 | 25.4 | 12.112 h |
| July | 28.7°C23.2°C | 23.2°C | 181 | 23.5 | 12.112 h |
| August | 29.2°C23.2°C | 23.2°C | 142 | 20.3 | 12.112 h |
| September | 29.9°C23.4°C | 23.4°C | 155 | 18.9 | 12.112 h |
| October, selected | 30.1°C23.5°C | 23.5°C | 222 | 24.0 | 12.112 h |
| November | 29.7°C23.5°C | 23.5°C | 308 | 28.4 | 12.212 h |
| December | 29.5°C23.5°C | 23.5°C | 349 | 29.4 | 12.212 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
- Balikpapan in OctoberIndonesia · 35 kmHigh 28.4°C · Low 24.5°C · 158 mm rain
- Loa Janan in OctoberIndonesia · 61 kmHigh 30.6°C · Low 23.6°C · 233 mm rain
- Samarinda in OctoberIndonesia · 72 kmHigh 30.6°C · Low 23.5°C · 226 mm rain
- Bontang in OctoberIndonesia · 150 kmHigh 29.6°C · Low 24.4°C · 176 mm rain
- Palangkaraya in OctoberIndonesia · 339 kmHigh 31.6°C · Low 23.5°C · 228 mm rain
- Martapura in OctoberIndonesia · 340 kmHigh 31.8°C · Low 23.7°C · 172 mm rain
- Banjarbaru in OctoberIndonesia · 344 kmHigh 31.9°C · Low 23.4°C · 172 mm rain
- Banjarmasin in OctoberIndonesia · 351 kmHigh 31.4°C · Low 24.0°C · 152 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 Nusantara) is explained once on the Nusantara year overview and on the Sources, method and limits page.