Climate averages 1991–2020
Subulussalam weather
in October.
A hot, very wet month: the joint 10th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Subulussalam: daytime highs average 28.6°C and nights cool to about 21.3°C. By daytime temperature it is the joint 10th warmest of the 12 months.
Expect about 419 mm of rain on roughly 26 days, which makes October a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average October day.
The nearest other city in this atlas is Kabanjahe (83 km away). In October its highs average 24.5°C, 4.2°C cooler than Subulussalam, with 308 mm of rain.
Among the 200 cities listed in Indonesia, Subulussalam ranks joint 153rd of 200 for the warmest October highs and 196th of 200 for the driest October (rainfall, lowest first). The mean October high of those 200 cities is 30.1°C; Subulussalam is 1.4°C cooler than that mean.
From October to November, average highs fall by 0.3°C to 28.4°C, and monthly rainfall rises from 419 mm to 510 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Kabanjahe in OctoberIndonesia · 83 kmHigh 24.5°C · Low 17.2°C · 308 mm rain
- Binjai in OctoberIndonesia · 124 kmHigh 29.0°C · Low 21.7°C · 338 mm rain
- Sunggal in OctoberIndonesia · 130 kmHigh 29.0°C · Low 22.1°C · 338 mm rain
- Medan in OctoberIndonesia · 134 kmHigh 29.0°C · Low 22.5°C · 393 mm rain
- Pematangsiantar in OctoberIndonesia · 136 kmHigh 27.1°C · Low 20.6°C · 375 mm rain
- Sibolga in OctoberIndonesia · 143 kmHigh 28.5°C · Low 22.8°C · 427 mm rain
- Belawan in OctoberIndonesia · 152 kmHigh 29.2°C · Low 23.1°C · 362 mm rain
- Percut in OctoberIndonesia · 153 kmHigh 28.9°C · Low 23.1°C · 362 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.