Climate averages 1991–2020
Subulussalam weather
in May.
A hot, very wet month: one of the warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Subulussalam: daytime highs average 29.9°C and nights cool to about 22.1°C. By daytime temperature it is one of the warmest months of the year.
Expect about 264 mm of rain on roughly 21 days, which makes May a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average May day.
The nearest other city in this atlas is Kabanjahe (83 km away). In May its highs average 25.6°C, 4.3°C cooler than Subulussalam, with 196 mm of rain.
Among the 200 cities listed in Indonesia, Subulussalam ranks joint 63rd of 200 for the warmest May highs and 184th of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Subulussalam is 0.7°C warmer than that mean.
From May to June, average highs stay level at 29.9°C, and monthly rainfall falls from 264 mm to 150 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
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, selected | 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 | 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
May in nearby cities
- Kabanjahe in MayIndonesia · 83 kmHigh 25.6°C · Low 17.9°C · 196 mm rain
- Binjai in MayIndonesia · 124 kmHigh 30.3°C · Low 22.5°C · 266 mm rain
- Sunggal in MayIndonesia · 130 kmHigh 30.3°C · Low 22.8°C · 266 mm rain
- Medan in MayIndonesia · 134 kmHigh 30.2°C · Low 23.2°C · 279 mm rain
- Pematangsiantar in MayIndonesia · 136 kmHigh 28.2°C · Low 21.3°C · 265 mm rain
- Sibolga in MayIndonesia · 143 kmHigh 29.7°C · Low 23.8°C · 260 mm rain
- Belawan in MayIndonesia · 152 kmHigh 30.4°C · Low 23.9°C · 250 mm rain
- Percut in MayIndonesia · 153 kmHigh 30.1°C · Low 24.0°C · 250 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.