Savai'i, Samoa: vitamin D, best months and travel guide
Bigger, wilder island of lava fields and blowholes. Best for: adventurers, nature lovers.
The best months for vitamin D in Savai'i are July to September, when a full dose takes about 6 minutes at midday. Rainy or stormy from October to June.
Savai'i month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 8.5 h | 8.9 | 6 min | 30°C | 25/30 |
| February | Bad weather | 6.4 h | 7.4 | 7 min | 29°C | 26/30 |
| March | Bad weather | 8.5 h | 9.2 | 6 min | 30°C | 25/30 |
| April | Bad weather | 7.9 h | 8.0 | 7 min | 30°C | 28/30 |
| May | Bad weather | 7.0 h | 6.8 | 8 min | 29°C | 26/30 |
| June | Bad weather | 6.8 h | 6.3 | 8 min | 29°C | 22/30 |
| July | Good | 6.6 h | 6.6 | 8 min | 28°C | 15/30 |
| August | Excellent | 7.2 h | 7.1 | 8 min | 27°C | 11/30 |
| September | Excellent | 8.3 h | 8.7 | 6 min | 28°C | 16/30 |
| October | Bad weather | 8.5 h | 9.1 | 6 min | 28°C | 23/30 |
| November | Bad weather | 8.1 h | 8.8 | 6 min | 28°C | 28/30 |
| December | Bad weather | 8.8 h | 9.1 | 6 min | 28°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 Savai'i
Bigger, wilder island of lava fields and blowholes. A dry season from May to October, and a rainier, hotter season from November to April. Sundays are quiet and respected, and dress is modest in villages.
In Savai'i afternoon highs average from 27°C in August to 30°C in March. The wettest month is April (about 28 rainy days out of 30) and the driest is August (11). Midday UV peaks at 9.2 in March, which is very strong, so protect your skin.
More about Samoa · Samoa in September · Best places in September
Questions about Savai'i
When is the best time to visit Savai'i for vitamin D?
The best months for vitamin D in Savai'i are July to September, when a full dose takes about 6 minutes at midday.
What is the weather like in Savai'i?
Afternoon highs average from 27°C in August to 30°C in March. The wettest month is April, with about 28 rainy days out of 30.
Which months should I avoid in Savai'i?
For a beach stay, avoid the months when it is rainy or stormy from October to June.