Nosy Be, Madagascar: vitamin D, best months and travel guide
Main beach island of the north-west, with lemurs and ylang-ylang farms. Best for: couples, divers, nature lovers.
The best months for vitamin D in Nosy Be are May to October, when a full dose takes about 6 minutes at midday. Rainy or stormy from November to April.
Nosy Be month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.4 h | 8.1 | 7 min | 29°C | 28/30 |
| February | Bad weather | 8.7 h | 9.3 | 6 min | 30°C | 28/30 |
| March | Bad weather | 8.0 h | 8.6 | 6 min | 30°C | 27/30 |
| April | Bad weather | 8.0 h | 8.2 | 7 min | 31°C | 26/30 |
| May | Excellent | 7.4 h | 7.1 | 8 min | 30°C | 14/30 |
| June | Good | 7.2 h | 6.6 | 8 min | 30°C | 9/30 |
| July | Excellent | 7.4 h | 6.8 | 8 min | 30°C | 5/30 |
| August | Excellent | 7.9 h | 7.7 | 7 min | 30°C | 10/30 |
| September | Excellent | 8.4 h | 8.7 | 6 min | 31°C | 13/30 |
| October | Excellent | 8.8 h | 9.3 | 6 min | 32°C | 16/30 |
| November | Bad weather | 9.0 h | 9.4 | 6 min | 32°C | 25/30 |
| December | Bad weather | 8.8 h | 9.2 | 6 min | 30°C | 29/30 |
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 Nosy Be
Main beach island of the north-west, with lemurs and ylang-ylang farms. 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 Nosy Be afternoon highs average from 29°C in January to 32°C in October. The wettest month is December (about 29 rainy days out of 30) and the driest is July (5). Midday UV peaks at 9.4 in November, which is very strong, so protect your skin.
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Questions about Nosy Be
When is the best time to visit Nosy Be for vitamin D?
The best months for vitamin D in Nosy Be are May to October, when a full dose takes about 6 minutes at midday.
What is the weather like in Nosy Be?
Afternoon highs average from 29°C in January to 32°C in October. The wettest month is December, with about 29 rainy days out of 30.
Which months should I avoid in Nosy Be?
For a beach stay, avoid the months when it is rainy or stormy from November to April.