Climate averages 1991–2020
Banda Aceh weather
in August.
A hot, wet month: the joint 4th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Banda Aceh: daytime highs average 29.8°C and nights cool to about 24.8°C. By daytime temperature it is the joint 4th warmest of the 12 months.
Expect about 159 mm of rain on roughly 17 days, which makes August a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 18 min on an average August day.
The nearest other city in this atlas is Lhokseumawe (205 km away). In August its highs average 29.4°C, about as warm as Banda Aceh, with 79 mm of rain.
Among the 200 cities listed in Indonesia, Banda Aceh ranks joint 97th of 200 for the warmest August highs and joint 165th of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Banda Aceh is 0.3°C warmer than that mean.
From August to September, average highs fall by 0.4°C to 29.4°C, and monthly rainfall rises from 159 mm to 192 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
Banda Aceh climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C24.0°C | 24.0°C | 137 | 15.0 | 11.812 h |
| February | 29.4°C24.1°C | 24.1°C | 98 | 13.2 | 11.912 h |
| March | 29.8°C24.4°C | 24.4°C | 156 | 19.0 | 12.112 h |
| April | 29.8°C24.8°C | 24.8°C | 202 | 24.4 | 12.212 h |
| May | 29.9°C25.2°C | 25.2°C | 219 | 20.4 | 12.412 h |
| June | 30.2°C25.3°C | 25.3°C | 113 | 14.5 | 12.412 h |
| July | 30.0°C25.0°C | 25.0°C | 125 | 15.1 | 12.412 h |
| August, selected | 29.8°C24.8°C | 24.8°C | 159 | 17.3 | 12.312 h |
| September | 29.4°C24.5°C | 24.5°C | 192 | 19.2 | 12.212 h |
| October | 28.6°C24.2°C | 24.2°C | 282 | 24.6 | 12.012 h |
| November | 28.3°C24.0°C | 24.0°C | 361 | 26.1 | 11.912 h |
| December | 28.4°C24.0°C | 24.0°C | 262 | 20.9 | 11.812 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
- Lhokseumawe in AugustIndonesia · 205 kmHigh 29.4°C · Low 25.0°C · 79 mm rain
- Langsa in AugustIndonesia · 315 kmHigh 30.1°C · Low 24.2°C · 126 mm rain
- Binjai in AugustIndonesia · 411 kmHigh 30.4°C · Low 22.0°C · 213 mm rain
- Belawan in AugustIndonesia · 420 kmHigh 30.1°C · Low 23.3°C · 252 mm rain
- Sunggal in AugustIndonesia · 424 kmHigh 30.1°C · Low 22.3°C · 213 mm rain
- Subulussalam in AugustIndonesia · 427 kmHigh 29.2°C · Low 21.4°C · 238 mm rain
- Phuket in AugustThailand · 427 kmHigh 28.1°C · Low 26.2°C · 276 mm rain
- Medan in AugustIndonesia · 429 kmHigh 29.9°C · Low 22.6°C · 249 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 Banda Aceh) is explained once on the Banda Aceh year overview and on the Sources, method and limits page.