Vieques, Puerto Rico: vitamin D, best months and travel guide
Wild horses, quiet beaches and a glowing bay. Best for: nature lovers, couples.
The best months for vitamin D in Vieques are December to March, when a full dose takes about 6 minutes at midday. Rainy or stormy from April to November.
Vieques month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.1 h | 6.7 | 8 min | 27°C | 11/30 |
| February | Excellent | 7.2 h | 7.4 | 7 min | 26°C | 14/30 |
| March | Excellent | 8.4 h | 8.8 | 6 min | 27°C | 13/30 |
| April | Bad weather | 8.8 h | 9.1 | 6 min | 27°C | 19/30 |
| May | Bad weather | 8.7 h | 8.8 | 6 min | 29°C | 18/30 |
| June | Bad weather | 8.8 h | 8.5 | 6 min | 29°C | 21/30 |
| July | Bad weather | 8.8 h | 8.8 | 6 min | 29°C | 22/30 |
| August | Bad weather | 8.6 h | 8.8 | 6 min | 29°C | 17/30 |
| September | Bad weather | 8.5 h | 8.6 | 6 min | 30°C | 22/30 |
| October | Bad weather | 7.5 h | 7.5 | 7 min | 30°C | 19/30 |
| November | Bad weather | 6.4 h | 6.3 | 8 min | 28°C | 21/30 |
| December | Good | 6.7 h | 6.2 | 9 min | 28°C | 17/30 |
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 Vieques
Wild horses, quiet beaches and a glowing bay. A dry season from December to April and a hot, humid, stormy season from June to November. US citizens need no passport. Spanish is the main language, though English is common in tourist areas.
In Vieques afternoon highs average from 26°C in February to 30°C in October. The wettest month is July (about 22 rainy days out of 30) and the driest is January (11). Midday UV peaks at 9.1 in April, which is very strong, so protect your skin.
More about Puerto Rico · Puerto Rico in March · Best places in March
Questions about Vieques
When is the best time to visit Vieques for vitamin D?
The best months for vitamin D in Vieques are December to March, when a full dose takes about 6 minutes at midday.
What is the weather like in Vieques?
Afternoon highs average from 26°C in February to 30°C in October. The wettest month is July, with about 22 rainy days out of 30.
Which months should I avoid in Vieques?
For a beach stay, avoid the months when it is rainy or stormy from April to November.