Port Louis, Mauritius Climate & Monthly Averages
The climate of Port Louis
Port Louis has a tropical wet-and-dry climate, marked by year-round warmth split between a rainy season and a pronounced dry season. Average daytime highs range from about 77°F (25°C) in July to around 85°F (30°C) in January, and the city records roughly 165 days of measurable precipitation a year.
Climate quick facts
- Hottest month: January - highs near 85°F (30°C)
- Coldest month: July - highs near 77°F (25°C)
- Record high: 92°F (33°C) · Record low: 59°F (15°C) (2015–2024)
- Wettest month: January (24 rainy days) · Sunniest: December (12.3 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on January. Highs average 85°F (30°C) and overnight lows stay near 76°F (25°C). The coolest month is July, with typical highs of 77°F (25°C) and lows around 68°F (20°C). Based on 2015–2024 weather data, temperatures have reached as high as 92°F (33°C) and dropped as low as 59°F (15°C).
Rain, sun and snow
January is usually the wettest month. It brings about 9.2 inches (233 mm) of rain over 24 days, while September is the driest. December brings the most sunshine, averaging 12.3 hours of sun a day.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 85° | 76° | 24 | 9.2 in | 11.0 h/day | 80% |
| February | 85° | 76° | 21 | 6.1 in | 11.4 h/day | 81% |
| March | 85° | 76° | 21 | 5.5 in | 10.7 h/day | 81% |
| April | 84° | 75° | 17 | 3.2 in | 10.6 h/day | 80% |
| May | 81° | 72° | 10 | 1.9 in | 10.2 h/day | 76% |
| June | 78° | 69° | 7 | 1.0 in | 9.9 h/day | 74% |
| July | 77° | 68° | 8 | 1.1 in | 10.2 h/day | 73% |
| August | 78° | 68° | 8 | 1.2 in | 10.8 h/day | 72% |
| September | 79° | 68° | 7 | 0.9 in | 11.5 h/day | 70% |
| October | 82° | 70° | 10 | 1.9 in | 11.6 h/day | 72% |
| November | 84° | 72° | 13 | 2.0 in | 11.9 h/day | 73% |
| December | 85° | 75° | 18 | 4.1 in | 12.3 h/day | 75% |
Port Louis month by month
Port Louis weather in January
January brings highs around 85°F (30°C), lows near 76°F (25°C), about 24 wet days - typically the hottest month and the wettest month of the year in Port Louis.
Port Louis weather in February
February brings highs around 85°F (30°C), lows near 76°F (25°C), about 21 wet days.
Port Louis weather in March
March brings highs around 85°F (30°C), lows near 76°F (25°C), about 21 wet days.
Port Louis weather in April
April brings highs around 84°F (29°C), lows near 75°F (24°C), about 17 wet days.
Port Louis weather in May
May brings highs around 81°F (27°C), lows near 72°F (22°C), about 10 wet days.
Port Louis weather in June
June brings highs around 78°F (26°C), lows near 69°F (21°C), about 7 wet days.
Port Louis weather in July
July brings highs around 77°F (25°C), lows near 68°F (20°C), about 8 wet days - typically the coldest month of the year in Port Louis.
Port Louis weather in August
August brings highs around 78°F (25°C), lows near 68°F (20°C), about 8 wet days.
Port Louis weather in September
September brings highs around 79°F (26°C), lows near 68°F (20°C), about 7 wet days - typically the driest month of the year in Port Louis.
Port Louis weather in October
October brings highs around 82°F (28°C), lows near 70°F (21°C), about 10 wet days.
Port Louis weather in November
November brings highs around 84°F (29°C), lows near 72°F (22°C), about 13 wet days.
Port Louis weather in December
December brings highs around 85°F (30°C), lows near 75°F (24°C), about 18 wet days - typically the sunniest month of the year in Port Louis.
Seasons in Port Louis
September through November
September through November in Port Louis is hot, with daytime highs averaging 82°F (28°C) and nights around 70°F (21°C); expect showers on roughly 30 days across the season.
December through February
December through February in Port Louis runs hot, with daytime highs averaging 85°F (30°C) and nights around 76°F (24°C); expect showers on roughly 63 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
March through May
March through May in Port Louis runs hot, with daytime highs averaging 83°F (28°C) and nights around 75°F (24°C); expect showers on roughly 49 days across the season.
June through August
June through August in Port Louis brings comfortable warmth, with daytime highs averaging 78°F (25°C) and nights around 68°F (20°C); expect showers on roughly 23 days across the season.
Climate questions, answered
What is the average temperature in Port Louis?
Is Port Louis hot in summer?
Is Port Louis cold in winter?
How many rainy days does Port Louis get in a year?
Best time to visit Port Louis
The best time to visit Port Louis is generally May to October, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 79°F (26°C).
Pack for Port Louis with a compact umbrella or rain shell - showers are a regular feature; moisture-wicking fabrics to cope with the humidity. Evenings can feel noticeably cooler than afternoons - January nights average 76°F (25°C).
Port Louis temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.