Climate averages 1991–2020
Nusantara weather
in April.
A hot, very wet month: the joint 4th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Nusantara: daytime highs average 29.8°C and nights cool to about 23.7°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 356 mm of rain on roughly 28 days, which makes April a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average April day.
The nearest other city in this atlas is Balikpapan (35 km away). In April its highs average 28.6°C, 1.2°C cooler than Nusantara, with 264 mm of rain.
Among the 200 cities listed in Indonesia, Nusantara ranks joint 49th of 200 for the warmest April highs and 182nd of 200 for the driest April (rainfall, lowest first). The mean April high of those 200 cities is 29.0°C; Nusantara is 0.8°C warmer than that mean.
From April to May, average highs fall by 0.3°C to 29.5°C, and monthly rainfall falls from 356 mm to 270 mm.
The annual picture
April 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, selected | 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 | 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
April in nearby cities
- Balikpapan in AprilIndonesia · 35 kmHigh 28.6°C · Low 24.2°C · 264 mm rain
- Loa Janan in AprilIndonesia · 61 kmHigh 30.3°C · Low 23.7°C · 307 mm rain
- Samarinda in AprilIndonesia · 72 kmHigh 30.1°C · Low 23.6°C · 310 mm rain
- Bontang in AprilIndonesia · 150 kmHigh 29.4°C · Low 24.4°C · 214 mm rain
- Palangkaraya in AprilIndonesia · 339 kmHigh 29.9°C · Low 23.6°C · 293 mm rain
- Martapura in AprilIndonesia · 340 kmHigh 30.1°C · Low 23.7°C · 283 mm rain
- Banjarbaru in AprilIndonesia · 344 kmHigh 29.9°C · Low 23.6°C · 283 mm rain
- Banjarmasin in AprilIndonesia · 351 kmHigh 29.9°C · Low 24.1°C · 236 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.