The climate in Tamuning-Tumon-Harmon Village during August can be summarized as hot, humid and very wet.
August is in the summer in Tamuning-Tumon-Harmon Village and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 25°C (76°F) is normal.
Daytime temperature | 30.6°C 87.1°F |
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Nightly temperature | 24.6°C 76.3°F |
Average temperature | 27.6°C 81.7°F |
Daily sunshine | 5 hrs |
Avg rainfall | 363 mm 14.3 ins |
Rainy days | 20 days |
Sea temperature | 29.6°C 85.3°F |
Humidity | 89% |
Windspeed | 11.9kph 7 mph |
On average August is the wettest month of the year in Tamuning-Tumon-Harmon Village with around 363mm 14.3 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
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 August 2025.
Best places to visit in August
Hottest month: | June | 30.9°C 87.6°F |
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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 |