Climate averages 1991–2020
Bontang weather
in August.
A hot, wet month: the joint 6th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Bontang: daytime highs average 29.2°C and nights cool to about 24.3°C. By daytime temperature it is the joint 6th warmest of the 12 months.
Expect about 124 mm of rain on roughly 20 days, which makes August a wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average August day.
The nearest other city in this atlas is Samarinda (79 km away). In August its highs average 30.0°C, 0.8°C warmer than Bontang, with 160 mm of rain.
Among the 200 cities listed in Indonesia, Bontang ranks joint 122nd of 200 for the warmest August highs and 155th of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Bontang is 0.3°C cooler than that mean.
From August to September, average highs rise by 0.4°C to 29.6°C, and monthly rainfall rises from 124 mm to 130 mm.
The annual picture
August 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 | 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, selected | 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
August in nearby cities
- Samarinda in AugustIndonesia · 79 kmHigh 30.0°C · Low 23.3°C · 160 mm rain
- Loa Janan in AugustIndonesia · 91 kmHigh 30.0°C · Low 23.5°C · 159 mm rain
- Nusantara in AugustIndonesia · 150 kmHigh 29.2°C · Low 23.2°C · 142 mm rain
- Balikpapan in AugustIndonesia · 172 kmHigh 27.8°C · Low 24.6°C · 101 mm rain
- Tarakan in AugustIndonesia · 354 kmHigh 28.4°C · Low 24.9°C · 211 mm rain
- Toli-Toli in AugustIndonesia · 384 kmHigh 27.2°C · Low 20.8°C · 170 mm rain
- Majene in AugustIndonesia · 440 kmHigh 28.3°C · Low 24.7°C · 27 mm rain
- Tawau in AugustMalaysia · 459 kmHigh 28.9°C · Low 24.2°C · 186 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.