Climate averages 1991–2020
Sibolga weather
in August.
A hot, very wet month: the 8th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Sibolga: daytime highs average 28.9°C and nights cool to about 23.0°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 284 mm of rain on roughly 23 days, which makes August a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average August day.
The nearest other city in this atlas is Padangsidempuan (68 km away). In August its highs average 28.4°C, about as warm as Sibolga, with 226 mm of rain.
Among the 200 cities listed in Indonesia, Sibolga ranks joint 132nd of 200 for the warmest August highs and 196th of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Sibolga is 0.6°C cooler than that mean.
From August to September, average highs fall by 0.1°C to 28.8°C, and monthly rainfall rises from 284 mm to 293 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
Sibolga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.3°C22.9°C | 22.9°C | 338 | 26.7 | 12.012 h |
| February | 29.7°C23.0°C | 23.0°C | 313 | 23.9 | 12.112 h |
| March | 29.6°C23.1°C | 23.1°C | 361 | 27.4 | 12.112 h |
| April | 29.4°C23.4°C | 23.4°C | 357 | 26.7 | 12.212 h |
| May | 29.7°C23.8°C | 23.8°C | 260 | 21.6 | 12.212 h |
| June | 29.6°C23.6°C | 23.6°C | 159 | 17.3 | 12.212 h |
| July | 29.1°C23.2°C | 23.2°C | 193 | 19.1 | 12.212 h |
| August, selected | 28.9°C23.0°C | 23.0°C | 284 | 22.8 | 12.212 h |
| September | 28.8°C23.0°C | 23.0°C | 293 | 23.2 | 12.112 h |
| October | 28.5°C22.8°C | 22.8°C | 427 | 26.1 | 12.112 h |
| November | 28.3°C22.7°C | 22.7°C | 507 | 27.6 | 12.012 h |
| December | 28.6°C22.8°C | 22.8°C | 433 | 27.6 | 12.012 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
- Padangsidempuan in AugustIndonesia · 68 kmHigh 28.4°C · Low 21.2°C · 226 mm rain
- Rantauprapat in AugustIndonesia · 124 kmHigh 30.6°C · Low 22.9°C · 193 mm rain
- Gunungsitoli in AugustIndonesia · 139 kmHigh 28.6°C · Low 24.2°C · 332 mm rain
- Pematangsiantar in AugustIndonesia · 139 kmHigh 27.9°C · Low 20.7°C · 274 mm rain
- Subulussalam in AugustIndonesia · 143 kmHigh 29.2°C · Low 21.4°C · 238 mm rain
- Kabanjahe in AugustIndonesia · 155 kmHigh 25.1°C · Low 17.3°C · 218 mm rain
- Kisaran in AugustIndonesia · 167 kmHigh 30.1°C · Low 23.5°C · 202 mm rain
- Tanjungbalai in AugustIndonesia · 177 kmHigh 29.7°C · Low 24.5°C · 216 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 Sibolga) is explained once on the Sibolga year overview and on the Sources, method and limits page.