Seven Mile Beach, Cayman Islands: vitamin D, best months and travel guide
Long white beach lined with resorts. Best for: couples, families.
The best months for vitamin D in Seven Mile Beach are April, May, August, December to February, when a full dose takes about 6 minutes at midday. Rainy or stormy in March and from June to July and from September to November.
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Seven Mile Beach month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Good | 6.8 h | 6.4 | 8 min | 28°C | 16/30 |
| February | Excellent | 7.2 h | 7.3 | 7 min | 27°C | 12/30 |
| March | Bad weather | 8.4 h | 8.6 | 6 min | 29°C | 19/30 |
| April | Excellent | 8.8 h | 8.9 | 6 min | 30°C | 14/30 |
| May | Excellent | 9.1 h | 9.0 | 6 min | 31°C | 11/30 |
| June | Bad weather | 7.3 h | 7.3 | 7 min | 30°C | 26/30 |
| July | Bad weather | 8.8 h | 8.6 | 6 min | 31°C | 20/30 |
| August | Excellent | 8.7 h | 8.7 | 6 min | 32°C | 12/30 |
| September | Bad weather | 7.6 h | 7.9 | 7 min | 31°C | 24/30 |
| October | Bad weather | 7.2 h | 7.4 | 7 min | 30°C | 18/30 |
| November | Bad weather | 6.1 h | 6.1 | 9 min | 28°C | 21/30 |
| December | Good | 5.9 h | 5.4 | 10 min | 28°C | 16/30 |
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 Seven Mile Beach
Long white beach lined with resorts. A dry season from December to April, hot, wet and stormier weather from June to November, and high prices. English is spoken and driving is on the left.
In Seven Mile Beach afternoon highs average from 27°C in February to 32°C in August. The wettest month is June (about 26 rainy days out of 30) and the driest is May (11). Midday UV peaks at 9.0 in May, which is very strong, so protect your skin.
More about Cayman Islands · Cayman Islands in May · Best places in May
Questions about Seven Mile Beach
When is the best time to visit Seven Mile Beach for vitamin D?
The best months for vitamin D in Seven Mile Beach are April, May, August, December to February, when a full dose takes about 6 minutes at midday.
What is the weather like in Seven Mile Beach?
Afternoon highs average from 27°C in February to 32°C in August. The wettest month is June, with about 26 rainy days out of 30.
Which months should I avoid in Seven Mile Beach?
For a beach stay, avoid the months when it is rainy or stormy in March and from June to July and from September to November.