Port Louis, Mauritius Weather
Port Louis hourly forecast: next 24 hours
Today's high of 70°F (21°C) is about 9°F (5°C) below the typical September high of 79°F (26°C).
Current conditions in detail
Port Louis weather tomorrow (Thursday, September 17)
Tomorrow in Port Louis looks patchy rain nearby, with a high of 73° and an overnight low of 63°. There is a 50% chance of rain - plan accordingly. Winds top out near 15 mph, and the UV index reaches 11 (very high).
Port Louis 14-day forecast
About the weather in Port Louis
Temperature barely moves in Port Louis - 5°C between the average January and the average July. Rainfall does the work instead: 9.2 inches (233 mm) in January against 22 mm (0.9 in) in September.
Port Louis weather: quick facts
- Hottest month: January - highs near 85°F (30°C)
- Coldest month: July - highs near 77°F (25°C)
- Decade extremes (2015-2024): 92°F (33°C) high · 59°F (15°C) low
- Wettest month: January (24 rainy days) · Sunniest: December (12.3 h sun/day)
- Climate type: tropical wet-and-dry
- Annual swing: 5°C between the average warmest and coolest month · day to night: 5°C
- Average humidity: 76%
Temperatures through the year
January is the warm end of the year, averaging 85°F (30°C) by day and 76°F (25°C) overnight. July sits at the other end of the year: 77°F (25°C) by day, 68°F (20°C) at night. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is June through September.
Rain, sun and snow
Between the average January and the average July lie 5°C, a narrower spread than about 86% of the cities we track. December is the brightest month at 12.3 hours of sun a day, against an annual average of 11.0 - sunnier than 95% of the 3496 cities in our dataset. The wettest month is January (9.2 inches (233 mm) across 24 days) and the driest September. Days and nights are about 5°C apart on average - narrower than all but 5% of the 3496 cities in our dataset. The gridded 2015-2024 daily record for this location tops out at 92°F (33°C) and bottoms at 59°F (15°C) - decade extremes, not all-time station records.
Season by season
September through November
September through November in Port Louis sits firmly in the heat, with daytime highs averaging 82°F (28°C) and nights around 70°F (21°C); rain falls on around 30 of the 90 days. Daylight is generous - around 11.7 hours of sun a day.
December through February
December through February in Port Louis sits firmly in the heat, with daytime highs averaging 85°F (30°C) and nights around 76°F (24°C); rain falls on around 63 of the 90 days. Daylight is generous - around 11.6 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
March through May
Through March through May, Port Louis is hot: 83°F (28°C) by day, 75°F (24°C) after dark, and rain falls on around 49 of the 90 days. Daylight is generous - around 10.5 hours of sun a day.
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. Daylight is generous - around 10.3 hours of sun a day.
Average temperatures in Port Louis by month
| 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% |