Florianópolis, Brazil: vitamin D, best months and travel guide
Island of 42 beaches, from surf to calm bays. Best for: surfers, families, young travellers.
The best months for vitamin D in Florianópolis are March to June, September, October, when a full dose takes about 8 minutes at midday. Too cool from July to August and rainy or stormy from November to February.
Florianópolis month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.8 h | 8.2 | 7 min | 28°C | 22/30 |
| February | Bad weather | 7.3 h | 7.7 | 7 min | 29°C | 22/30 |
| March | Excellent | 6.9 h | 6.9 | 8 min | 29°C | 15/30 |
| April | Good | 5.1 h | 5.2 | 10 min | 27°C | 14/30 |
| May | Good | 3.6 h | 3.7 | 14 min | 23°C | 14/30 |
| June | Good | 4.0 h | 3.8 | 14 min | 23°C | 7/30 |
| July | Too cold | 3.1 h | 3.5 | 15 min | 19°C | 10/30 |
| August | Too cold | 5.8 h | 5.3 | 10 min | 21°C | 4/30 |
| September | Good | 6.6 h | 6.3 | 8 min | 24°C | 10/30 |
| October | Excellent | 7.2 h | 6.9 | 8 min | 24°C | 13/30 |
| November | Bad weather | 6.5 h | 6.8 | 8 min | 25°C | 18/30 |
| December | Bad weather | 6.6 h | 7.2 | 7 min | 26°C | 22/30 |
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 Florianópolis
Island of 42 beaches, from surf to calm bays. 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 Florianópolis afternoon highs average from 19°C in July to 29°C in February. The wettest month is January (about 22 rainy days out of 30) and the driest is August (4). Midday UV peaks at 8.2 in January, which is very strong, so protect your skin.
A city on an island in the Atlantic Ocean, in the southern state of Santa Catarina, with lakes, lagoons, sand dunes, amazing… (Wikivoyage, CC BY-SA 4.0)
More about Brazil · Brazil in October · Best places in October
Questions about Florianópolis
When is the best time to visit Florianópolis for vitamin D?
The best months for vitamin D in Florianópolis are March to June, September, October, when a full dose takes about 8 minutes at midday.
What is the weather like in Florianópolis?
Afternoon highs average from 19°C in July to 29°C in February. The wettest month is January, with about 22 rainy days out of 30.
Which months should I avoid in Florianópolis?
For a beach stay, avoid the months when it is too cool from July to August and rainy or stormy from November to February.