Port Louis weather in May
May in Port Louis: warm, a little rain, with clean air — an excellent time to visit.
#3 of 12 months in Port Louis · #182 of 604 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Port Louis climate normals — May
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 15 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 21°C / 70°F | |
| Sunshine | 10 h/day | |
| Daylight | 11.2 h | |
| Wind | 24 km/h / 15 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Port Louis in May — FAQ
- Is May a good time to visit Port Louis?
- May in Port Louis: warm, a little rain, with clean air — an excellent time to visit. It ranks #3 of 12 months for Port Louis on SeasonMap's comfort score (86/100).
- What is the weather like in Port Louis in May?
- In May, Port Louis averages a daily high of 27.1°C and a low of 23°C, with about 60.4 mm of rain over roughly 15.4 rainy days.
- What is the air quality in Port Louis in May?
- Port Louis has a mean US Air Quality Index of about 36 in May.