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Rantau Prapat Weather by Month
Average temperatures, rainfall and humidity for Rantau Prapat, Indonesia, month by month, built from OpenWeather’s historical records. Use it to see what a typical Rantau Prapat month looks like before you travel — then check the live Rantau Prapat forecast for the days ahead.
Warmest month
June
32°C average high
Coolest month
February
22°C average low
Wettest month
April
206 mm of rain
Driest month
June
85 mm of rain
Average temperature and rainfall in Rantau Prapat by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 29°C | 22°C | 16°C / 35°C | 106 mm | 87% | 3 km/h |
| February | 30°C | 22°C | 16°C / 36°C | 98 mm | 84% | 4 km/h |
| March | 31°C | 22°C | 16°C / 38°C | 187 mm | 85% | 4 km/h |
| April | 30°C | 22°C | 19°C / 38°C | 206 mm | 87% | 3 km/h |
| May | 31°C | 23°C | 19°C / 38°C | 130 mm | 85% | 4 km/h |
| June | 32°C | 22°C | 18°C / 37°C | 85 mm | 80% | 4 km/h |
| July | 32°C | 22°C | 17°C / 38°C | 96 mm | 80% | 4 km/h |
| August | 31°C | 22°C | 17°C / 37°C | 119 mm | 83% | 4 km/h |
| September | 30°C | 22°C | 17°C / 37°C | 121 mm | 85% | 4 km/h |
| October | 30°C | 22°C | 18°C / 38°C | 125 mm | 87% | 3 km/h |
| November | 29°C | 22°C | 18°C / 35°C | 158 mm | 90% | 3 km/h |
| December | 29°C | 22°C | 20°C / 34°C | 133 mm | 89% | 3 km/h |
Best time to visit Rantau Prapat
The most comfortable time to visit Rantau Prapat is generally January to February and June, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around April, totalling about 1,564 mm a year.
Travellers who prefer heat should aim for June, when highs average 32°C. April is the month to avoid if rain would spoil your plans — it averages 206 mm, roughly 2× the rainfall of the driest month (June).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rantau Prapat forecast for what is happening now.
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