São Tomé weather in August
August in São Tomé: hot, dry, with clean air — one of the best months to visit.
#1 of 12 months in São Tomé · #180 of 604 destinations to visit in August · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
São Tomé climate normals — August
| Daytime high | 26°C / 80°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 11 mm / 0.4 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 12.1 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is São Tomé?
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São Tomé in August — FAQ
- Is August a good time to visit São Tomé?
- August in São Tomé: hot, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for São Tomé on SeasonMap's comfort score (86/100).
- What is the weather like in São Tomé in August?
- In August, São Tomé averages a daily high of 26.4°C and a low of 24.6°C, with about 11.1 mm of rain over roughly 2.2 rainy days.
- What is the air quality in São Tomé in August?
- São Tomé has a mean US Air Quality Index of about 47 in August.