São Tomé weather in April
April in São Tomé: sweltering, soaked, with clean air — a great time to visit.
#11 of 12 months in São Tomé · #457 of 604 destinations to visit in April · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
São Tomé climate normals — April
| Daytime high | 29°C / 84°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 206 mm / 8.1 in | ⛈ soaked |
| Rainy days | 18 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 12.1 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 29 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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São Tomé in April — FAQ
- Is April a good time to visit São Tomé?
- April in São Tomé: sweltering, soaked, with clean air — a great time to visit. It ranks #11 of 12 months for São Tomé on SeasonMap's comfort score (71/100).
- What is the weather like in São Tomé in April?
- In April, São Tomé averages a daily high of 28.7°C and a low of 26.8°C, with about 206.2 mm of rain over roughly 17.8 rainy days.
- What is the air quality in São Tomé in April?
- São Tomé has a mean US Air Quality Index of about 29 in April.