Climate averages 1991–2020
Rantauprapat weather
in January.
A hot, very wet month: the 11th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Rantauprapat: daytime highs average 28.8°C and nights cool to about 22.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 231 mm of rain on roughly 27 days, which makes January a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 01 min on an average January day.
The nearest other city in this atlas is Tanjungbalai (96 km away). In January its highs average 28.7°C, about as warm as Rantauprapat, with 215 mm of rain.
Among the 200 cities listed in Indonesia, Rantauprapat ranks joint 67th of 200 for the warmest January highs and 27th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Rantauprapat is 0.5°C warmer than that mean.
From January to February, average highs rise by 0.8°C to 29.5°C, and monthly rainfall falls from 231 mm to 184 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
Rantauprapat 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°C22.3°C | 22.3°C | 231 | 27.1 | 12.012 h |
| February | 29.5°C22.5°C | 22.5°C | 184 | 24.0 | 12.012 h |
| March | 30.0°C22.8°C | 22.8°C | 228 | 27.6 | 12.112 h |
| April | 30.1°C23.2°C | 23.2°C | 254 | 28.4 | 12.212 h |
| May | 30.3°C23.4°C | 23.4°C | 212 | 26.5 | 12.212 h |
| June | 30.5°C23.3°C | 23.3°C | 150 | 20.7 | 12.212 h |
| July | 30.7°C22.9°C | 22.9°C | 158 | 21.3 | 12.212 h |
| August | 30.6°C22.9°C | 22.9°C | 193 | 24.5 | 12.212 h |
| September | 30.1°C22.9°C | 22.9°C | 257 | 26.4 | 12.112 h |
| October | 29.6°C22.8°C | 22.8°C | 299 | 28.5 | 12.112 h |
| November | 28.9°C22.6°C | 22.6°C | 344 | 29.2 | 12.012 h |
| December | 28.6°C22.5°C | 22.5°C | 323 | 28.9 | 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
January in nearby cities
- Tanjungbalai in JanuaryIndonesia · 96 kmHigh 28.7°C · Low 23.8°C · 215 mm rain
- Kisaran in JanuaryIndonesia · 101 kmHigh 28.8°C · Low 22.8°C · 208 mm rain
- Padangsidempuan in JanuaryIndonesia · 102 kmHigh 28.1°C · Low 21.1°C · 240 mm rain
- Sibolga in JanuaryIndonesia · 124 kmHigh 29.3°C · Low 22.9°C · 338 mm rain
- Pematangsiantar in JanuaryIndonesia · 128 kmHigh 26.6°C · Low 20.2°C · 240 mm rain
- Tebingtinggi in JanuaryIndonesia · 156 kmHigh 28.5°C · Low 22.9°C · 170 mm rain
- Dumai in JanuaryIndonesia · 185 kmHigh 28.9°C · Low 23.4°C · 201 mm rain
- Kabanjahe in JanuaryIndonesia · 186 kmHigh 24.0°C · Low 17.3°C · 189 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 Rantauprapat) is explained once on the Rantauprapat year overview and on the Sources, method and limits page.