Pematangsiantar Weather in December
What's the weather like in Pematangsiantar (North Sumatra) in December 2024?
The climate in Pematangsiantar during December can be summarized as hot, humid and very wet.
December is in the winter in Pematangsiantar and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 29.2°C 84.5°F |
|---|---|
| Nightly temperature | 19.7°C 67.4°F |
| Average temperature | 24.4°C 75.9°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 268 mm 10.6 ins |
| Rainy days | 17 days |
| Sea temperature | 28.9°C 84°F |
| Humidity | 86% |
| Windspeed | 9.4kph 6 mph |
On average December is the 4th wettest month of the year in Pematangsiantar with around 268mm 10.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
December temperatures in Pematangsiantar
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Pematangsiantar in December 2024.
Other monthly averages
Best places to visit in December
Pematangsiantar weather stats
| Hottest month: | May | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | February | 178mm 7ins |
| Sunniest month: | February | 8.2hrs |
| Coldest month: | January | 29.2°C 84.6°F |
| Wettest month: | October | 344mm 13.5ins |
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