Port Louis weather in August
August in Port Louis: warm, a little rain, with clean air — an excellent time to visit.
#5 of 12 months in Port Louis · #200 of 604 destinations to visit in August · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Port Louis climate normals — August
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 69°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 41 mm / 1.6 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 11.4 h | |
| Wind | 28 km/h / 18 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 Port Louis?
Loading map…
Port Louis in August — FAQ
- Is August a good time to visit Port Louis?
- August in Port Louis: warm, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Port Louis on SeasonMap's comfort score (85/100).
- What is the weather like in Port Louis in August?
- In August, Port Louis averages a daily high of 24.8°C and a low of 20.3°C, with about 41.2 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Port Louis in August?
- Port Louis has a mean US Air Quality Index of about 39 in August.