Anse Chastanet, Saint Lucia: vitamin D, best months and travel guide
Dark-sand beach with great snorkelling and a resort. Best for: divers, couples.
The best months for vitamin D in Anse Chastanet are October, December to June, when a full dose takes about 6 minutes at midday. Rainy or stormy from July to September and in November.
Anse Chastanet month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.5 h | 7.3 | 7 min | 29°C | 16/30 |
| February | Excellent | 7.9 h | 8.0 | 7 min | 30°C | 14/30 |
| March | Excellent | 8.4 h | 8.8 | 6 min | 30°C | 13/30 |
| April | Excellent | 8.6 h | 9.0 | 6 min | 31°C | 7/30 |
| May | Excellent | 8.9 h | 8.9 | 6 min | 32°C | 10/30 |
| June | Excellent | 8.9 h | 8.7 | 6 min | 31°C | 17/30 |
| July | Bad weather | 8.6 h | 8.6 | 6 min | 31°C | 23/30 |
| August | Bad weather | 8.4 h | 8.7 | 6 min | 31°C | 23/30 |
| September | Bad weather | 8.3 h | 8.6 | 6 min | 31°C | 21/30 |
| October | Excellent | 8.0 h | 8.2 | 7 min | 31°C | 17/30 |
| November | Bad weather | 7.4 h | 7.1 | 8 min | 30°C | 19/30 |
| December | Excellent | 7.2 h | 6.7 | 8 min | 30°C | 15/30 |
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 Anse Chastanet
Dark-sand beach with great snorkelling and a resort. A dry season from December to April and a wetter season from June to November. Hills are steep and roads winding. Beaches range from calm west coast to windy east coast.
In Anse Chastanet afternoon highs average from 29°C in January to 32°C in May. The wettest month is July (about 23 rainy days out of 30) and the driest is April (7). Midday UV peaks at 9.0 in April, which is very strong, so protect your skin.
More about Saint Lucia · Saint Lucia in April · Best places in April
Questions about Anse Chastanet
When is the best time to visit Anse Chastanet for vitamin D?
The best months for vitamin D in Anse Chastanet are October, December to June, when a full dose takes about 6 minutes at midday.
What is the weather like in Anse Chastanet?
Afternoon highs average from 29°C in January to 32°C in May. The wettest month is July, with about 23 rainy days out of 30.
Which months should I avoid in Anse Chastanet?
For a beach stay, avoid the months when it is rainy or stormy from July to September and in November.