Climate averages 1991–2020
Banda Aceh weather
in May.
A hot, very wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Banda Aceh: daytime highs average 29.9°C and nights cool to about 25.2°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 219 mm of rain on roughly 20 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average May day.
The nearest other city in this atlas is Lhokseumawe (205 km away). In May its highs average 29.8°C, about as warm as Banda Aceh, with 95 mm of rain.
Among the 200 cities listed in Indonesia, Banda Aceh ranks joint 63rd of 200 for the warmest May highs and 159th of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Banda Aceh is 0.7°C warmer than that mean.
From May to June, average highs rise by 0.3°C to 30.2°C, and monthly rainfall falls from 219 mm to 113 mm.
The annual picture
May 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, selected | 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
May in nearby cities
- Lhokseumawe in MayIndonesia · 205 kmHigh 29.8°C · Low 25.4°C · 95 mm rain
- Langsa in MayIndonesia · 315 kmHigh 30.2°C · Low 24.6°C · 148 mm rain
- Binjai in MayIndonesia · 411 kmHigh 30.3°C · Low 22.5°C · 266 mm rain
- Belawan in MayIndonesia · 420 kmHigh 30.4°C · Low 23.9°C · 250 mm rain
- Sunggal in MayIndonesia · 424 kmHigh 30.3°C · Low 22.8°C · 266 mm rain
- Subulussalam in MayIndonesia · 427 kmHigh 29.9°C · Low 22.1°C · 264 mm rain
- Phuket in MayThailand · 427 kmHigh 28.9°C · Low 26.6°C · 266 mm rain
- Medan in MayIndonesia · 429 kmHigh 30.2°C · Low 23.2°C · 279 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.