St. George's, Grenada: vitamin D, best months and travel guide
Pastel harbour town on a horseshoe bay. Best for: culture travellers, couples.
The best months for vitamin D in St. George's are February to May, September, when a full dose takes about 6 minutes at midday. Rainy or stormy from June to August and from October to January.
St. George's month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.6 h | 7.4 | 7 min | 28°C | 20/30 |
| February | Excellent | 8.1 h | 8.4 | 6 min | 28°C | 13/30 |
| March | Excellent | 8.5 h | 9.0 | 6 min | 29°C | 13/30 |
| April | Excellent | 8.7 h | 9.1 | 6 min | 30°C | 14/30 |
| May | Excellent | 8.7 h | 8.8 | 6 min | 30°C | 16/30 |
| June | Bad weather | 8.5 h | 8.4 | 6 min | 30°C | 23/30 |
| July | Bad weather | 8.3 h | 8.5 | 6 min | 29°C | 27/30 |
| August | Bad weather | 8.4 h | 8.8 | 6 min | 30°C | 21/30 |
| September | Excellent | 8.4 h | 8.8 | 6 min | 31°C | 15/30 |
| October | Bad weather | 7.9 h | 8.1 | 7 min | 31°C | 18/30 |
| November | Bad weather | 7.5 h | 7.4 | 7 min | 29°C | 24/30 |
| December | Bad weather | 7.5 h | 7.0 | 8 min | 29°C | 18/30 |
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 St. George's
Pastel harbour town on a horseshoe bay. A dry season from January to May and a wetter season from June to December, though hurricane risk is low. Friendly, small-scale tourism.
In St. George's afternoon highs average from 28°C in January to 31°C in October. The wettest month is July (about 27 rainy days out of 30) and the driest is March (13). Midday UV peaks at 9.1 in April, which is very strong, so protect your skin.
More about Grenada · Grenada in March · Best places in March
Questions about St. George's
When is the best time to visit St. George's for vitamin D?
The best months for vitamin D in St. George's are February to May, September, when a full dose takes about 6 minutes at midday.
What is the weather like in St. George's?
Afternoon highs average from 28°C in January to 31°C in October. The wettest month is July, with about 27 rainy days out of 30.
Which months should I avoid in St. George's?
For a beach stay, avoid the months when it is rainy or stormy from June to August and from October to January.