Fernando de Noronha, Brazil: vitamin D, best months and travel guide
Protected island for turtles and dolphins; visitor numbers are capped. Best for: divers, couples, nature lovers.
The best months for vitamin D in Fernando de Noronha are July to January, when a full dose takes about 6 minutes at midday. Rainy or stormy from February to June.
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Fernando de Noronha month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 8.6 h | 9.0 | 6 min | 28°C | 4/30 |
| February | Bad weather | 8.4 h | 9.1 | 6 min | 28°C | 27/30 |
| March | Bad weather | 7.8 h | 8.8 | 6 min | 28°C | 27/30 |
| April | Bad weather | 7.2 h | 8.1 | 7 min | 29°C | 28/30 |
| May | Bad weather | 8.1 h | 7.9 | 7 min | 29°C | 23/30 |
| June | Bad weather | 7.9 h | 7.5 | 7 min | 28°C | 20/30 |
| July | Excellent | 7.9 h | 7.7 | 7 min | 27°C | 14/30 |
| August | Excellent | 8.2 h | 8.3 | 6 min | 26°C | 9/30 |
| September | Excellent | 8.3 h | 8.8 | 6 min | 26°C | 7/30 |
| October | Excellent | 8.2 h | 8.8 | 6 min | 26°C | 2/30 |
| November | Excellent | 8.3 h | 8.7 | 6 min | 27°C | 2/30 |
| December | Excellent | 8.5 h | 8.6 | 6 min | 27°C | 10/30 |
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 Fernando de Noronha
Protected island for turtles and dolphins; visitor numbers are capped. Southern Brazil is hot and rainy in summer (December to March), while the northeast has warm, sunny weather most of the year. Beaches have lifeguards and kiosks. Sun is strong, and carry few valuables.
In Fernando de Noronha afternoon highs average from 26°C in September to 29°C in April. The wettest month is April (about 28 rainy days out of 30) and the driest is November (2). Midday UV peaks at 9.1 in February, which is very strong, so protect your skin.
Tropical island paradise in the middle of the Atlantic Ocean, is protected as a Marine National Park since 1997 and a… (Wikivoyage, CC BY-SA 4.0)
More about Brazil · Brazil in January · Best places in January
Questions about Fernando de Noronha
When is the best time to visit Fernando de Noronha for vitamin D?
The best months for vitamin D in Fernando de Noronha are July to January, when a full dose takes about 6 minutes at midday.
What is the weather like in Fernando de Noronha?
Afternoon highs average from 26°C in September to 29°C in April. The wettest month is April, with about 28 rainy days out of 30.
Which months should I avoid in Fernando de Noronha?
For a beach stay, avoid the months when it is rainy or stormy from February to June.