Semarang Weather in January
What's the weather like in Semarang (Central Java) in January 2025?
The climate in Semarang during January can be summarized as hot, humid and very wet.
January is in the summer in Semarang and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 30.2°C 86.4°F |
|---|---|
| Nightly temperature | 22.2°C 72°F |
| Average temperature | 26.2°C 79.2°F |
| Daily sunshine | 5.5 hrs |
| Avg rainfall | 443 mm 17.4 ins |
| Rainy days | 19 days |
| Sea temperature | 29°C 84.1°F |
| Humidity | 86% |
| Windspeed | 9.7kph 6 mph |
On average January is the wettest month of the year in Semarang with around 443mm 17.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
January temperatures in Semarang
January rainfall
January 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 Semarang in January 2025.
Other monthly averages
Best places to visit in January
Semarang weather stats
| Hottest month: | October | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | August | 32mm 1.3ins |
| Sunniest month: | August | 10.5hrs |
| Coldest month: | January | 30°C 86°F |
| Wettest month: | January | 443mm 17.4ins |
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