São Tomé Weather in August
What's the weather like in São Tomé (Rio Grande do Norte) in August 2025?
The climate in São Tomé during August can be summarized as hot, humid and dry.
August is in the winter in São Tomé and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 30°C 85.9°F |
|---|---|
| Nightly temperature | 19.5°C 67°F |
| Average temperature | 24.7°C 76.5°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 11 mm 0.4 ins |
| Rainy days | 16 days |
| Sea temperature | 26.6°C 79.8°F |
| Humidity | 72% |
| Windspeed | 12.6kph 8 mph |
On average August is the 5th driest month of the year in São Tomé with around 11mm 0.4 inches of rain making it a dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
August temperatures in São Tomé
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 São Tomé in August 2025.
Other monthly averages
Best places to visit in August
São Tomé weather stats
| Hottest month: | February | 31.4°C 88.5°F |
|---|---|---|
| Driest month: | October | 1mm 0ins |
| Sunniest month: | November | 9.4hrs |
| Coldest month: | July | 28.7°C 83.7°F |
| Wettest month: | March | 104mm 4.1ins |
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