Tamuning-Tumon-Harmon Village Weather in December
What's the weather like in Tamuning-Tumon-Harmon Village (Tamuning-Tumon-Harmon Municipality) in December 2025?
The climate in Tamuning-Tumon-Harmon Village during December can be summarized as hot, humid and wet.
December is in the winter in Tamuning-Tumon-Harmon Village and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 25°C (76°F) is normal.
| Daytime temperature | 30.2°C 86.3°F |
|---|---|
| Nightly temperature | 24.5°C 76°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 150 mm 5.9 ins |
| Rainy days | 23 days |
| Sea temperature | 28.5°C 83.3°F |
| Humidity | 83% |
| Windspeed | 11.9kph 7 mph |
On average December is the 6th driest month of the year in Tamuning-Tumon-Harmon Village with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
December temperatures in Tamuning-Tumon-Harmon Village
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 Tamuning-Tumon-Harmon Village in December 2025.
Other monthly averages
Best places to visit in December
Tamuning-Tumon-Harmon Village weather stats
| Hottest month: | June | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | March | 89mm 3.5ins |
| Sunniest month: | March | 7.4hrs |
| Coldest month: | February | 29.6°C 85.3°F |
| Wettest month: | August | 363mm 14.3ins |
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