Port Louis weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Good
Best time to visit: May – November
What is the weather like in Port Louis in August?
In August, Port Louis is warm: daytime highs average 25 °C, and even at night it stays warm at around 20 °C. The sea averages 23.6 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 38 mm in total. It is often windy, with gusts of around 29 km/h. All in all, August is a good month for a holiday in Port Louis.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 71 | 77 | 79 |
| Day | 25° | 25° | 26° |
| Night | 20° | 20° | 20° |
| Sea | 24° | 24° | 24° |
| Sun | 6 h | 7 h | 8 h |
| Rain days | 13 | 11 | 12 |
More details for August
- Daylight
- 11 h 24 min06:33 – 17:57
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 3 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 45 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC+4Indian/Mauritius
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in August
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
- Windproof jacket
Port Louis in August: quick answers
Is Port Louis hot in August?
Warm rather than hot: in August, daytime highs in Port Louis average 25 °C and nights cool to about 20 °C.
Can you swim in Port Louis in August?
Yes. In August the sea averages 23.6 °C – pleasant for swimming.
Does it rain much in Port Louis in August?
Rain is frequent, with about 11 rainy days and 38 mm in total.
Port Louis month by month
The whole year in Port LouisAll destinations: MauritiusWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences