Muar Weather in December
What's the weather like in Muar (Johor) in December 2025?
The climate in Muar during December can be summarized as hot, humid and wet.
December is in the winter in Muar and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (87°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 30.3°C 86.5°F |
|---|---|
| Nightly temperature | 22.7°C 72.9°F |
| Average temperature | 26.5°C 79.7°F |
| Daily sunshine | 5.3 hrs |
| Avg rainfall | 167 mm 6.6 ins |
| Rainy days | 19 days |
| Sea temperature | 28.6°C 83.4°F |
| Humidity | 84% |
| Windspeed | 9kph 6 mph |
On average December is the 3rd driest month of the year in Muar with around 167mm 6.6 inches of rain making it a 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 5.3 hours of sunshine per day.
December temperatures in Muar
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 Muar in December 2025.
Other monthly averages
Best places to visit in December
Muar weather stats
| Hottest month: | April | 31.9°C 89.4°F |
|---|---|---|
| Driest month: | February | 123mm 4.8ins |
| Sunniest month: | February | 7.4hrs |
| Coldest month: | December | 30.1°C 86.2°F |
| Wettest month: | October | 226mm 8.9ins |
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