Saint-Denis weather in January
January in Saint-Denis: sweltering, soaked, with clean air — a great time to visit.
#10 of 12 months in Saint-Denis · #204 of 604 destinations to visit in January · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Saint-Denis climate normals — January
| Daytime high | 28°C / 83°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 231 mm / 9.1 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 13.2 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Saint-Denis in January — FAQ
- Is January a good time to visit Saint-Denis?
- January in Saint-Denis: sweltering, soaked, with clean air — a great time to visit. It ranks #10 of 12 months for Saint-Denis on SeasonMap's comfort score (78/100).
- What is the weather like in Saint-Denis in January?
- In January, Saint-Denis averages a daily high of 28.4°C and a low of 25°C, with about 231.1 mm of rain over roughly 23.6 rainy days.
- What is the air quality in Saint-Denis in January?
- Saint-Denis has a mean US Air Quality Index of about 34 in January.