Climate averages 1991–2020
Banda Aceh weather
in January.
A hot, wet month: the 9th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Banda Aceh: daytime highs average 28.8°C and nights cool to about 24.0°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 137 mm of rain on roughly 15 days, which makes January a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average January day.
The nearest other city in this atlas is Lhokseumawe (205 km away). In January its highs average 28.0°C, 0.8°C cooler than Banda Aceh, with 113 mm of rain.
Among the 200 cities listed in Indonesia, Banda Aceh ranks joint 67th of 200 for the warmest January highs and joint 2nd of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Banda Aceh is 0.6°C warmer than that mean.
From January to February, average highs rise by 0.6°C to 29.4°C, and monthly rainfall falls from 137 mm to 98 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Lhokseumawe in JanuaryIndonesia · 205 kmHigh 28.0°C · Low 24.0°C · 113 mm rain
- Langsa in JanuaryIndonesia · 315 kmHigh 28.4°C · Low 23.2°C · 137 mm rain
- Binjai in JanuaryIndonesia · 411 kmHigh 28.3°C · Low 21.5°C · 237 mm rain
- Belawan in JanuaryIndonesia · 420 kmHigh 28.8°C · Low 22.6°C · 213 mm rain
- Sunggal in JanuaryIndonesia · 424 kmHigh 28.5°C · Low 21.8°C · 237 mm rain
- Subulussalam in JanuaryIndonesia · 427 kmHigh 29.2°C · Low 20.9°C · 329 mm rain
- Phuket in JanuaryThailand · 427 kmHigh 28.4°C · Low 25.4°C · 45 mm rain
- Medan in JanuaryIndonesia · 429 kmHigh 28.7°C · Low 22.1°C · 203 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.