Saint-Denis weather in May
May in Saint-Denis: hot, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Saint-Denis · #144 of 604 destinations to visit in May · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Saint-Denis climate normals — May
| Daytime high | 26°C / 79°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 57 mm / 2.2 in | 🌦 some rain |
| Rainy days | 16 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 20°C / 69°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.1 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Saint-Denis?
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Saint-Denis in May — FAQ
- Is May a good time to visit Saint-Denis?
- May in Saint-Denis: hot, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Saint-Denis on SeasonMap's comfort score (88/100).
- What is the weather like in Saint-Denis in May?
- In May, Saint-Denis averages a daily high of 26°C and a low of 22.3°C, with about 57.1 mm of rain over roughly 15.8 rainy days.
- What is the air quality in Saint-Denis in May?
- Saint-Denis has a mean US Air Quality Index of about 39 in May.