Rabaul Weather in August
What's the weather like in Rabaul (East New Britain) in August 2025?
The climate in Rabaul during August can be summarized as hot, humid and wet.
August is in the winter in Rabaul and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 23.2°C 73.8°F |
| Average temperature | 26.5°C 79.7°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 196 mm 7.7 ins |
| Rainy days | 19 days |
| Sea temperature | 28.9°C 83.9°F |
| Humidity | 81% |
| Windspeed | 9.6kph 6 mph |
On average August is the 6th driest month of the year in Rabaul with around 196mm 7.7 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 6.6 hours of sunshine per day.
August temperatures in Rabaul
August rainfall
August 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 Rabaul in August 2025.
Other monthly averages
Best places to visit in August
Rabaul weather stats
| Hottest month: | October | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | May | 157mm 6.2ins |
| Sunniest month: | August | 6.6hrs |
| Coldest month: | July | 29.5°C 85.1°F |
| Wettest month: | March | 345mm 13.6ins |
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