Raja Ampat Islands, Indonesia: vitamin D, best months and travel guide
The world's richest coral reefs in remote Papua. Best for: experienced divers, nature lovers.
Raja Ampat Islands gives little vitamin D from the sun in any month for skin type III at age 30. Rainy or stormy all year.
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Raja Ampat Islands month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 7.4 h | 7.7 | 7 min | 30°C | 27/30 |
| February | Bad weather | 7.8 h | 8.5 | 6 min | 31°C | 24/30 |
| March | Bad weather | 8.1 h | 8.8 | 6 min | 31°C | 20/30 |
| April | Bad weather | 8.0 h | 8.4 | 6 min | 31°C | 30/30 |
| May | Bad weather | 7.0 h | 7.3 | 7 min | 30°C | 29/30 |
| June | Bad weather | 6.7 h | 6.7 | 8 min | 29°C | 30/30 |
| July | Bad weather | 6.6 h | 6.9 | 8 min | 29°C | 24/30 |
| August | Bad weather | 7.6 h | 8.1 | 7 min | 29°C | 30/30 |
| September | Bad weather | 7.7 h | 8.4 | 6 min | 30°C | 28/30 |
| October | Bad weather | 8.0 h | 8.8 | 6 min | 30°C | 29/30 |
| November | Bad weather | 8.3 h | 8.6 | 6 min | 31°C | 30/30 |
| December | Bad weather | 7.0 h | 7.2 | 7 min | 31°C | 28/30 |
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 Raja Ampat Islands
The world's richest coral reefs in remote Papua. A dry season from April to October in Bali and Lombok, and a wet season of heavy showers from November to March. Roads are busy, and boat crossings can be rough in the rainy months.
In Raja Ampat Islands afternoon highs average from 29°C in July to 31°C in March. The wettest month is April (about 30 rainy days out of 30) and the driest is March (20). Midday UV peaks at 8.8 in March, which is very strong, so protect your skin.
More about Indonesia · Indonesia in March · Best places in March
Questions about Raja Ampat Islands
When is the best time to visit Raja Ampat Islands for vitamin D?
Raja Ampat Islands gives little vitamin D from the sun in any month for skin type III at age 30.
What is the weather like in Raja Ampat Islands?
Afternoon highs average from 29°C in July to 31°C in March. The wettest month is April, with about 30 rainy days out of 30.
Which months should I avoid in Raja Ampat Islands?
For a beach stay, avoid the months when it is rainy or stormy all year.