Climate averages 1991–2020
Subulussalam weather
in August.
A hot, very wet month: the joint 7th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Subulussalam: daytime highs average 29.2°C and nights cool to about 21.4°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 238 mm of rain on roughly 21 days, which makes August a very wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average August day.
The nearest other city in this atlas is Kabanjahe (83 km away). In August its highs average 25.1°C, 4.1°C cooler than Subulussalam, with 218 mm of rain.
Among the 200 cities listed in Indonesia, Subulussalam ranks joint 122nd of 200 for the warmest August highs and 191st of 200 for the driest August (rainfall, lowest first). The mean August high of those 200 cities is 29.5°C; Subulussalam is 0.3°C cooler than that mean.
From August to September, average highs fall by 0.1°C to 29.1°C, and monthly rainfall rises from 238 mm to 295 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
Subulussalam climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C20.9°C | 20.9°C | 329 | 26.3 | 12.012 h |
| February | 29.8°C20.9°C | 20.9°C | 294 | 24.1 | 12.012 h |
| March | 29.8°C21.4°C | 21.4°C | 339 | 28.1 | 12.112 h |
| April | 29.5°C21.8°C | 21.8°C | 368 | 27.3 | 12.212 h |
| May | 29.9°C22.1°C | 22.1°C | 264 | 21.4 | 12.212 h |
| June | 29.9°C21.8°C | 21.8°C | 150 | 16.7 | 12.312 h |
| July | 29.5°C21.4°C | 21.4°C | 160 | 17.7 | 12.312 h |
| August, selected | 29.2°C21.4°C | 21.4°C | 238 | 20.7 | 12.212 h |
| September | 29.1°C21.4°C | 21.4°C | 295 | 22.4 | 12.112 h |
| October | 28.6°C21.3°C | 21.3°C | 419 | 25.9 | 12.112 h |
| November | 28.4°C21.2°C | 21.2°C | 510 | 28.2 | 12.012 h |
| December | 28.6°C21.1°C | 21.1°C | 395 | 27.5 | 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
- Kabanjahe in AugustIndonesia · 83 kmHigh 25.1°C · Low 17.3°C · 218 mm rain
- Binjai in AugustIndonesia · 124 kmHigh 30.4°C · Low 22.0°C · 213 mm rain
- Sunggal in AugustIndonesia · 130 kmHigh 30.1°C · Low 22.3°C · 213 mm rain
- Medan in AugustIndonesia · 134 kmHigh 29.9°C · Low 22.6°C · 249 mm rain
- Pematangsiantar in AugustIndonesia · 136 kmHigh 27.9°C · Low 20.7°C · 274 mm rain
- Sibolga in AugustIndonesia · 143 kmHigh 28.9°C · Low 23.0°C · 284 mm rain
- Belawan in AugustIndonesia · 152 kmHigh 30.1°C · Low 23.3°C · 252 mm rain
- Percut in AugustIndonesia · 153 kmHigh 29.8°C · Low 23.4°C · 252 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 Subulussalam) is explained once on the Subulussalam year overview and on the Sources, method and limits page.