Madang Weather in December
What's the weather like in Madang (Madang) in December 2025?
The climate in Madang during December can be summarized as hot, humid and very wet.
December is in the summer in Madang and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 31.6°C 88.8°F |
|---|---|
| Nightly temperature | 21.9°C 71.3°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 390 mm 15.3 ins |
| Rainy days | 22 days |
| Sea temperature | 29.6°C 85.2°F |
| Humidity | 80% |
| Windspeed | 9.4kph 6 mph |
On average December is the 2nd wettest month of the year in Madang with around 390mm 15.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
December temperatures in Madang
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 Madang in December 2025.
Other monthly averages
Best places to visit in December
Madang weather stats
| Hottest month: | November | 31.8°C 89.2°F |
|---|---|---|
| Driest month: | September | 127mm 5ins |
| Sunniest month: | August | 6.4hrs |
| Coldest month: | July | 30.9°C 87.6°F |
| Wettest month: | April | 406mm 16ins |
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