Climate averages 1991–2020
Bontang weather
in April.
A hot, very wet month: the 3rd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a hot month in Bontang: daytime highs average 29.4°C and nights cool to about 24.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 214 mm of rain on roughly 27 days, which makes April a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average April day.
The nearest other city in this atlas is Samarinda (79 km away). In April its highs average 30.1°C, 0.7°C warmer than Bontang, with 310 mm of rain.
Among the 200 cities listed in Indonesia, Bontang ranks joint 93rd of 200 for the warmest April highs and joint 63rd of 200 for the driest April (rainfall, lowest first). The mean April high of those 200 cities is 29.0°C; Bontang is 0.4°C warmer than that mean.
From April to May, average highs fall by 0.1°C to 29.3°C, and monthly rainfall falls from 214 mm to 197 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
Bontang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.9°C24.1°C | 24.1°C | 205 | 25.2 | 12.112 h |
| February | 29.1°C24.2°C | 24.2°C | 164 | 22.1 | 12.112 h |
| March | 29.3°C24.3°C | 24.3°C | 206 | 25.3 | 12.112 h |
| April, selected | 29.4°C24.4°C | 24.4°C | 214 | 26.5 | 12.112 h |
| May | 29.3°C24.6°C | 24.6°C | 197 | 27.0 | 12.112 h |
| June | 29.0°C24.4°C | 24.4°C | 177 | 24.8 | 12.112 h |
| July | 28.9°C24.2°C | 24.2°C | 150 | 22.3 | 12.112 h |
| August | 29.2°C24.3°C | 24.3°C | 124 | 19.9 | 12.112 h |
| September | 29.6°C24.4°C | 24.4°C | 130 | 20.4 | 12.112 h |
| October | 29.6°C24.4°C | 24.4°C | 176 | 25.3 | 12.112 h |
| November | 29.2°C24.2°C | 24.2°C | 220 | 28.3 | 12.112 h |
| December | 29.1°C24.1°C | 24.1°C | 248 | 28.9 | 12.112 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
- Samarinda in AprilIndonesia · 79 kmHigh 30.1°C · Low 23.6°C · 310 mm rain
- Loa Janan in AprilIndonesia · 91 kmHigh 30.3°C · Low 23.7°C · 307 mm rain
- Nusantara in AprilIndonesia · 150 kmHigh 29.8°C · Low 23.7°C · 356 mm rain
- Balikpapan in AprilIndonesia · 172 kmHigh 28.6°C · Low 24.2°C · 264 mm rain
- Tarakan in AprilIndonesia · 354 kmHigh 28.3°C · Low 24.9°C · 226 mm rain
- Toli-Toli in AprilIndonesia · 384 kmHigh 27.0°C · Low 21.4°C · 154 mm rain
- Majene in AprilIndonesia · 440 kmHigh 28.3°C · Low 25.3°C · 144 mm rain
- Tawau in AprilMalaysia · 459 kmHigh 29.6°C · Low 24.4°C · 163 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 Bontang) is explained once on the Bontang year overview and on the Sources, method and limits page.