Port Louis weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Fair
Best time to visit: May – November
What is the weather like in Port Louis in December?
In December, Port Louis is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 27.0 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. It is the rainy season: rain falls on about 19 days, totalling 104 mm. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is a so-so month for a holiday in Port Louis.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 71 | 55 | 51 |
| Day | 28° | 29° | 30° |
| Night | 23° | 24° | 25° |
| Sea | 26° | 27° | 28° |
| Sun | 9 h | 9 h | 8 h |
| Rain days | 13 | 19 | 25 |
More details for December
- Daylight
- 13 h 20 min05:25 – 18:45
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 10 days30 °C or moreAll months
- Time zone
- UTC+4Indian/Mauritius
How the score comes together
- Temperatureweight 50 %70 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Port Louis in December: quick answers
Is Port Louis hot in December?
Yes. In December, Port Louis is hot: daytime highs average 29 °C and nights stay around 24 °C. On about 10 days the thermometer climbs to 30 °C or more.
Can you swim in Port Louis in December?
Yes. In December the sea averages 27.0 °C – lovely and warm for swimming.
Does it rain much in Port Louis in December?
It rains often – on about 19 days, adding up to 104 mm.
Port Louis month by month
The whole year in Port LouisAll destinations: MauritiusWhere to go in DecemberSea temperature in December
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