Cotonou weather in March
March in Cotonou: sweltering, a little rain, with very humid — a good time to visit.
#7 of 12 months in Cotonou · #475 of 604 destinations to visit in March · comfort 65/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Cotonou climate normals — March
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 16 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.1 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 53 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cotonou in March — FAQ
- Is March a good time to visit Cotonou?
- March in Cotonou: sweltering, a little rain, with very humid — a good time to visit. It ranks #7 of 12 months for Cotonou on SeasonMap's comfort score (65/100).
- What is the weather like in Cotonou in March?
- In March, Cotonou averages a daily high of 30.5°C and a low of 26.9°C, with about 58.3 mm of rain over roughly 15.6 rainy days.
- What is the air quality in Cotonou in March?
- Cotonou has a mean US Air Quality Index of about 53 in March.