Sosúa, Dominican Republic: vitamin D, best months and travel guide
Relaxed beach town with good snorkelling. Best for: backpackers, divers, retirees.
The best months for vitamin D in Sosúa are January to March, June, July, when a full dose takes about 7 minutes at midday. Rainy or stormy from April to May and from August to December.
Sosúa month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Good | 6.8 h | 6.2 | 9 min | 28°C | 10/30 |
| February | Excellent | 7.1 h | 6.9 | 8 min | 27°C | 10/30 |
| March | Excellent | 7.8 h | 8.0 | 7 min | 29°C | 14/30 |
| April | Bad weather | 8.2 h | 8.2 | 7 min | 28°C | 20/30 |
| May | Bad weather | 8.5 h | 8.2 | 7 min | 30°C | 19/30 |
| June | Excellent | 8.8 h | 8.5 | 6 min | 32°C | 17/30 |
| July | Excellent | 8.9 h | 8.5 | 6 min | 32°C | 15/30 |
| August | Bad weather | 8.7 h | 8.8 | 6 min | 32°C | 19/30 |
| September | Bad weather | 8.4 h | 8.4 | 6 min | 33°C | 18/30 |
| October | Bad weather | 7.5 h | 7.3 | 7 min | 32°C | 19/30 |
| November | Bad weather | 6.1 h | 5.8 | 9 min | 29°C | 20/30 |
| December | Bad weather | 6.4 h | 5.8 | 9 min | 27°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 Sosúa
Relaxed beach town with good snorkelling. A dry season from December to April and hot, wet weather with hurricane risk from June to November. Punta Cana resorts are self-contained. Sargassum seaweed can hit the east coast in summer.
In Sosúa afternoon highs average from 27°C in December to 33°C in September. The wettest month is December (about 24 rainy days out of 30) and the driest is February (10). Midday UV peaks at 8.8 in August, which is very strong, so protect your skin.
More about Dominican Republic · Dominican Republic in March · Best places in March
Questions about Sosúa
When is the best time to visit Sosúa for vitamin D?
The best months for vitamin D in Sosúa are January to March, June, July, when a full dose takes about 7 minutes at midday.
What is the weather like in Sosúa?
Afternoon highs average from 27°C in December to 33°C in September. The wettest month is December, with about 24 rainy days out of 30.
Which months should I avoid in Sosúa?
For a beach stay, avoid the months when it is rainy or stormy from April to May and from August to December.