São Tomé weather in March
March in São Tomé: sweltering, rainy, with clean air — a great time to visit.
#9 of 12 months in São Tomé · #297 of 604 destinations to visit in March · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
São Tomé climate normals — March
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 146 mm / 5.8 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.1 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 35 | 🍃 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 March — FAQ
- Is March a good time to visit São Tomé?
- March in São Tomé: sweltering, rainy, with clean air — a great time to visit. It ranks #9 of 12 months for São Tomé on SeasonMap's comfort score (76/100).
- What is the weather like in São Tomé in March?
- In March, São Tomé averages a daily high of 28.9°C and a low of 26.8°C, with about 146.1 mm of rain over roughly 18.4 rainy days.
- What is the air quality in São Tomé in March?
- São Tomé has a mean US Air Quality Index of about 35 in March.