Costa Smeralda, Italy: vitamin D, best months and travel guide
Sardinia's glamorous north with emerald coves. Best for: luxury travellers, sailors.
The best months for vitamin D in Costa Smeralda are May to October, when a full dose takes about 7 minutes at midday. Too cool from November to April.
Costa Smeralda month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Too cold | 1.6 h | 2.4 | – | 15°C | 7/30 |
| February | Too cold | 3.3 h | 3.2 | 17 min | 16°C | 5/30 |
| March | Too cold | 5.9 h | 5.1 | 10 min | 17°C | 6/30 |
| April | Too cold | 8.1 h | 6.6 | 8 min | 19°C | 2/30 |
| May | Excellent | 8.9 h | 7.3 | 7 min | 22°C | 4/30 |
| June | Excellent | 9.6 h | 7.8 | 7 min | 26°C | 1/30 |
| July | Excellent | 9.6 h | 8.0 | 7 min | 30°C | 2/30 |
| August | Excellent | 8.6 h | 7.3 | 7 min | 31°C | 2/30 |
| September | Good | 6.8 h | 5.8 | 9 min | 25°C | 10/30 |
| October | Good | 4.2 h | 3.9 | 14 min | 22°C | 10/30 |
| November | Too cold | 2.4 h | 3.0 | 18 min | 18°C | 7/30 |
| December | Too cold | 0.3 h | 2.3 | – | 15°C | 10/30 |
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 Costa Smeralda
Sardinia's glamorous north with emerald coves. Very hot summers in the south and crowded beaches in August, when Italians take their holiday. Beach clubs rent sunbeds, and many beaches charge. Spring and early autumn are comfortable.
In Costa Smeralda afternoon highs average from 15°C in December to 31°C in August. The wettest month is September (about 10 rainy days out of 30) and the driest is June (1). Midday UV peaks at 8.0 in July, which is very strong, so protect your skin.
Questions about Costa Smeralda
When is the best time to visit Costa Smeralda for vitamin D?
The best months for vitamin D in Costa Smeralda are May to October, when a full dose takes about 7 minutes at midday.
What is the weather like in Costa Smeralda?
Afternoon highs average from 15°C in December to 31°C in August. The wettest month is September, with about 10 rainy days out of 30.
Which months should I avoid in Costa Smeralda?
For a beach stay, avoid the months when it is too cool from November to April.