Port Louis weather in December
December in Port Louis: hot, rainy, with clean air — an excellent time to visit.
#7 of 12 months in Port Louis · #114 of 604 destinations to visit in December · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Port Louis climate normals — December
| Daytime high | 29°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 76°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 128 mm / 5 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 22°C / 71°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 13.3 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 25 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Port Louis in December — FAQ
- Is December a good time to visit Port Louis?
- December in Port Louis: hot, rainy, with clean air — an excellent time to visit. It ranks #7 of 12 months for Port Louis on SeasonMap's comfort score (83/100).
- What is the weather like in Port Louis in December?
- In December, Port Louis averages a daily high of 29.3°C and a low of 24.7°C, with about 128.2 mm of rain over roughly 20.4 rainy days.
- What is the air quality in Port Louis in December?
- Port Louis has a mean US Air Quality Index of about 25 in December.