Climate averages 1991–2020
Rantauprapat weather
in May.
A hot, very wet month: the 4th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Rantauprapat: daytime highs average 30.3°C and nights cool to about 23.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 212 mm of rain on roughly 27 days, which makes May a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average May day.
The nearest other city in this atlas is Tanjungbalai (96 km away). In May its highs average 30.1°C, about as warm as Rantauprapat, with 235 mm of rain.
Among the 200 cities listed in Indonesia, Rantauprapat ranks joint 14th of 200 for the warmest May highs and 153rd of 200 for the driest May (rainfall, lowest first). The mean May high of those 200 cities is 29.2°C; Rantauprapat is 1.1°C warmer than that mean.
From May to June, average highs rise by 0.2°C to 30.5°C, and monthly rainfall falls from 212 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
Rantauprapat climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 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, selected | 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
May in nearby cities
- Tanjungbalai in MayIndonesia · 96 kmHigh 30.1°C · Low 25.0°C · 235 mm rain
- Kisaran in MayIndonesia · 101 kmHigh 30.4°C · Low 24.1°C · 232 mm rain
- Padangsidempuan in MayIndonesia · 102 kmHigh 29.1°C · Low 22.0°C · 198 mm rain
- Sibolga in MayIndonesia · 124 kmHigh 29.7°C · Low 23.8°C · 260 mm rain
- Pematangsiantar in MayIndonesia · 128 kmHigh 28.2°C · Low 21.3°C · 265 mm rain
- Tebingtinggi in MayIndonesia · 156 kmHigh 30.1°C · Low 24.1°C · 203 mm rain
- Dumai in MayIndonesia · 185 kmHigh 30.5°C · Low 24.3°C · 224 mm rain
- Kabanjahe in MayIndonesia · 186 kmHigh 25.6°C · Low 17.9°C · 196 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.