Yasawa Islands, Fiji: vitamin D, best months and travel guide
Remote white-sand island chain with simple resorts. Best for: backpackers, couples, snorkellers.
The best months for vitamin D in Yasawa Islands are April to October, when a full dose takes about 6 minutes at midday. Rainy or stormy from November to March.
Yasawa Islands month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.7 h | 8.4 | 6 min | 29°C | 22/30 |
| February | Bad weather | 8.0 h | 8.8 | 6 min | 29°C | 24/30 |
| March | Bad weather | 5.6 h | 6.8 | 8 min | 29°C | 28/30 |
| April | Excellent | 7.6 h | 7.7 | 7 min | 29°C | 11/30 |
| May | Good | 6.5 h | 6.3 | 8 min | 28°C | 14/30 |
| June | Good | 6.5 h | 6.0 | 9 min | 27°C | 4/30 |
| July | Good | 6.8 h | 6.4 | 8 min | 26°C | 7/30 |
| August | Excellent | 7.6 h | 7.2 | 7 min | 25°C | 6/30 |
| September | Excellent | 8.0 h | 8.4 | 6 min | 26°C | 1/30 |
| October | Excellent | 8.1 h | 8.7 | 6 min | 27°C | 14/30 |
| November | Bad weather | 8.4 h | 8.8 | 6 min | 27°C | 22/30 |
| December | Bad weather | 7.8 h | 8.3 | 6 min | 28°C | 19/30 |
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 Yasawa Islands
Remote white-sand island chain with simple resorts. A dry season from May to October and a wetter, hotter season from November to April, with cyclone risk. Resorts are often on separate islands and reached by boat.
In Yasawa Islands afternoon highs average from 25°C in August to 29°C in February. The wettest month is March (about 28 rainy days out of 30) and the driest is September (1). Midday UV peaks at 8.8 in February, which is very strong, so protect your skin.
More about Fiji · Fiji in September · Best places in September
Questions about Yasawa Islands
When is the best time to visit Yasawa Islands for vitamin D?
The best months for vitamin D in Yasawa Islands are April to October, when a full dose takes about 6 minutes at midday.
What is the weather like in Yasawa Islands?
Afternoon highs average from 25°C in August to 29°C in February. The wettest month is March, with about 28 rainy days out of 30.
Which months should I avoid in Yasawa Islands?
For a beach stay, avoid the months when it is rainy or stormy from November to March.