Port Louis, Mauritius: vitamin D, best months and travel guide
Busy capital with a market and waterfront. Best for: culture travellers, short stays.
The best months for vitamin D in Port Louis are May to November, when a full dose takes about 7 minutes at midday. Rainy or stormy from December to April.
Port Louis month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 8.0 h | 8.5 | 6 min | 29°C | 25/30 |
| February | Bad weather | 8.6 h | 9.1 | 6 min | 30°C | 19/30 |
| March | Bad weather | 7.7 h | 8.2 | 7 min | 29°C | 18/30 |
| April | Bad weather | 7.2 h | 7.0 | 8 min | 29°C | 20/30 |
| May | Good | 6.6 h | 6.0 | 9 min | 27°C | 12/30 |
| June | Good | 6.1 h | 5.4 | 10 min | 26°C | 7/30 |
| July | Good | 6.5 h | 5.8 | 9 min | 26°C | 6/30 |
| August | Excellent | 7.1 h | 6.8 | 8 min | 26°C | 11/30 |
| September | Excellent | 8.1 h | 8.1 | 7 min | 27°C | 5/30 |
| October | Excellent | 8.1 h | 8.7 | 6 min | 28°C | 15/30 |
| November | Excellent | 8.6 h | 9.1 | 6 min | 29°C | 16/30 |
| December | Bad weather | 8.9 h | 9.2 | 6 min | 30°C | 19/30 |
Sun window is the number of hours a day with UV Index 2.5 or higher. Full dose is the minutes at midday for about 1,000 IU of vitamin D with a quarter of the body bare, for skin type III. Rainy days are days with at least 1 mm out of 30.
What to expect in Port Louis
Busy capital with a market and waterfront. Warm all year, with a hot, wet season from January to March and cyclone risk. The south and east coasts are windy, while the north and west are calm. Resorts are mostly upmarket.
In Port Louis afternoon highs average from 26°C in June to 30°C in December. The wettest month is January (about 25 rainy days out of 30) and the driest is September (5). Midday UV peaks at 9.2 in December, which is very strong, so protect your skin.
Capital of Mauritius (Wikivoyage, CC BY-SA 4.0)
More about Mauritius · Mauritius in September · Best places in September
Questions about Port Louis
When is the best time to visit Port Louis for vitamin D?
The best months for vitamin D in Port Louis are May to November, when a full dose takes about 7 minutes at midday.
What is the weather like in Port Louis?
Afternoon highs average from 26°C in June to 30°C in December. The wettest month is January, with about 25 rainy days out of 30.
Which months should I avoid in Port Louis?
For a beach stay, avoid the months when it is rainy or stormy from December to April.