Espiritu Santo, Vanuatu: vitamin D, best months and travel guide
Home of the SS President Coolidge wreck and blue holes. Best for: divers, snorkellers.
The best months for vitamin D in Espiritu Santo are August, when a full dose takes about 8 minutes at midday. Rainy or stormy from September to July.
Espiritu Santo month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.9 h | 8.5 | 6 min | 30°C | 29/30 |
| February | Bad weather | 8.3 h | 9.1 | 6 min | 31°C | 27/30 |
| March | Bad weather | 6.0 h | 6.8 | 8 min | 29°C | 30/30 |
| April | Bad weather | 7.6 h | 7.4 | 7 min | 30°C | 28/30 |
| May | Bad weather | 6.3 h | 5.6 | 10 min | 28°C | 26/30 |
| June | Bad weather | 5.9 h | 5.5 | 10 min | 27°C | 21/30 |
| July | Bad weather | 6.3 h | 5.8 | 9 min | 27°C | 21/30 |
| August | Excellent | 7.2 h | 6.9 | 8 min | 27°C | 15/30 |
| September | Bad weather | 7.4 h | 7.4 | 7 min | 27°C | 19/30 |
| October | Bad weather | 7.7 h | 7.9 | 7 min | 29°C | 20/30 |
| November | Bad weather | 8.3 h | 8.4 | 6 min | 29°C | 28/30 |
| December | Bad weather | 7.7 h | 7.9 | 7 min | 29°C | 26/30 |
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 Espiritu Santo
Home of the SS President Coolidge wreck and blue holes. A dry season from May to October, a hot, wet season from November to April with cyclone risk, and simple facilities outside Port Vila.
In Espiritu Santo afternoon highs average from 27°C in August to 31°C in February. The wettest month is March (about 30 rainy days out of 30) and the driest is August (15). Midday UV peaks at 9.1 in February, which is very strong, so protect your skin.
Vanuatu's biggest island, and popular with divers. It boasts shipwrecks for scuba diving, delightful beaches, coconut… (Wikivoyage, CC BY-SA 4.0)
More about Vanuatu · Vanuatu in August · Best places in August
Questions about Espiritu Santo
When is the best time to visit Espiritu Santo for vitamin D?
The best months for vitamin D in Espiritu Santo are August, when a full dose takes about 8 minutes at midday.
What is the weather like in Espiritu Santo?
Afternoon highs average from 27°C in August to 31°C in February. The wettest month is March, with about 30 rainy days out of 30.
Which months should I avoid in Espiritu Santo?
For a beach stay, avoid the months when it is rainy or stormy from September to July.