Île Sainte-Marie, Madagascar: vitamin D, best months and travel guide
Former pirate island with whales in season. Best for: couples, whale watchers.
Île Sainte-Marie gives little vitamin D from the sun in any month for skin type III at age 30. Rainy or stormy all year.
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Île Sainte-Marie month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.5 h | 8.4 | 6 min | 29°C | 26/30 |
| February | Bad weather | 8.2 h | 8.8 | 6 min | 28°C | 29/30 |
| March | Bad weather | 7.3 h | 7.9 | 7 min | 28°C | 30/30 |
| April | Bad weather | 7.4 h | 7.4 | 7 min | 28°C | 27/30 |
| May | Bad weather | 6.2 h | 6.0 | 9 min | 26°C | 29/30 |
| June | Bad weather | 5.8 h | 5.6 | 10 min | 25°C | 25/30 |
| July | Bad weather | 6.7 h | 6.2 | 9 min | 24°C | 21/30 |
| August | Bad weather | 7.4 h | 7.2 | 7 min | 25°C | 24/30 |
| September | Bad weather | 8.0 h | 8.2 | 7 min | 26°C | 23/30 |
| October | Bad weather | 8.4 h | 8.9 | 6 min | 26°C | 23/30 |
| November | Bad weather | 9.0 h | 9.5 | 6 min | 28°C | 21/30 |
| December | Bad weather | 9.2 h | 9.4 | 6 min | 29°C | 24/30 |
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 Île Sainte-Marie
Former pirate island with whales in season. A dry season from May to October, hot humid summers with cyclones on the east coast, and long, rough road journeys. Services are basic outside tourist islands.
In Île Sainte-Marie afternoon highs average from 24°C in July to 29°C in January. The wettest month is March (about 30 rainy days out of 30) and the driest is November (21). Midday UV peaks at 9.5 in November, which is very strong, so protect your skin.
More about Madagascar · Madagascar in November · Best places in November
Questions about Île Sainte-Marie
When is the best time to visit Île Sainte-Marie for vitamin D?
Île Sainte-Marie gives little vitamin D from the sun in any month for skin type III at age 30.
What is the weather like in Île Sainte-Marie?
Afternoon highs average from 24°C in July to 29°C in January. The wettest month is March, with about 30 rainy days out of 30.
Which months should I avoid in Île Sainte-Marie?
For a beach stay, avoid the months when it is rainy or stormy all year.