Climate averages 1991–2020
Banjarmasin weather
in April.
A hot, very wet month: the 6th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Banjarmasin: daytime highs average 29.9°C and nights cool to about 24.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 236 mm of rain on roughly 27 days, which makes April a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 02 min on an average April day.
The nearest other city in this atlas is Banjarbaru (30 km away). In April its highs average 29.9°C, about as warm as Banjarmasin, with 283 mm of rain.
Among the 200 cities listed in Indonesia, Banjarmasin ranks joint 33rd of 200 for the warmest April highs and joint 91st of 200 for the driest April (rainfall, lowest first). The mean April high of those 200 cities is 29.0°C; Banjarmasin is 0.9°C warmer than that mean.
From April to May, average highs rise by 0.2°C to 30.1°C, and monthly rainfall falls from 236 mm to 149 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
Banjarmasin climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C23.7°C | 23.7°C | 291 | 28.7 | 12.312 h |
| February | 29.6°C23.8°C | 23.8°C | 248 | 25.1 | 12.212 h |
| March | 29.7°C23.9°C | 23.9°C | 277 | 28.2 | 12.112 h |
| April, selected | 29.9°C24.1°C | 24.1°C | 236 | 27.3 | 12.012 h |
| May | 30.1°C24.2°C | 24.2°C | 149 | 22.5 | 12.012 h |
| June | 29.7°C23.9°C | 23.9°C | 113 | 17.5 | 11.912 h |
| July | 29.7°C23.4°C | 23.4°C | 89 | 14.5 | 11.912 h |
| August | 30.8°C23.5°C | 23.5°C | 52 | 9.3 | 12.012 h |
| September | 31.6°C23.8°C | 23.8°C | 69 | 10.5 | 12.112 h |
| October | 31.4°C24.0°C | 24.0°C | 152 | 18.2 | 12.212 h |
| November | 30.0°C24.0°C | 24.0°C | 254 | 27.6 | 12.312 h |
| December | 29.2°C23.8°C | 23.8°C | 328 | 29.4 | 12.312 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
- Banjarbaru in AprilIndonesia · 30 kmHigh 29.9°C · Low 23.6°C · 283 mm rain
- Martapura in AprilIndonesia · 32 kmHigh 30.1°C · Low 23.7°C · 283 mm rain
- Palangkaraya in AprilIndonesia · 145 kmHigh 29.9°C · Low 23.6°C · 293 mm rain
- Sampit in AprilIndonesia · 202 kmHigh 30.3°C · Low 23.8°C · 298 mm rain
- Pangkalanbuun in AprilIndonesia · 337 kmHigh 29.8°C · Low 23.8°C · 269 mm rain
- Balikpapan in AprilIndonesia · 338 kmHigh 28.6°C · Low 24.2°C · 264 mm rain
- Nusantara in AprilIndonesia · 351 kmHigh 29.8°C · Low 23.7°C · 356 mm rain
- Loa Janan in AprilIndonesia · 412 kmHigh 30.3°C · Low 23.7°C · 307 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 Banjarmasin) is explained once on the Banjarmasin year overview and on the Sources, method and limits page.