Sentosa, Singapore: vitamin D, best months and travel guide
Resort island with beaches, attractions and a short cable car ride. Best for: families, couples.
Sentosa gives little vitamin D from the sun in any month for skin type III at age 30. Rainy or stormy all year.
Sentosa month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Bad weather | 6.6 h | 6.8 | 8 min | 29°C | 27/30 |
| February | Bad weather | 7.8 h | 8.4 | 6 min | 30°C | 22/30 |
| March | Bad weather | 7.5 h | 8.2 | 7 min | 30°C | 21/30 |
| April | Bad weather | 7.8 h | 8.2 | 7 min | 30°C | 27/30 |
| May | Bad weather | 7.4 h | 7.8 | 7 min | 30°C | 23/30 |
| June | Bad weather | 7.4 h | 7.5 | 7 min | 30°C | 23/30 |
| July | Bad weather | 7.8 h | 7.6 | 7 min | 30°C | 22/30 |
| August | Bad weather | 8.2 h | 8.6 | 6 min | 30°C | 22/30 |
| September | Bad weather | 8.0 h | 8.4 | 6 min | 30°C | 21/30 |
| October | Bad weather | 8.0 h | 8.7 | 6 min | 31°C | 21/30 |
| November | Bad weather | 6.7 h | 7.3 | 7 min | 30°C | 27/30 |
| December | Bad weather | 6.8 h | 7.0 | 8 min | 30°C | 27/30 |
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 Sentosa
Resort island with beaches, attractions and a short cable car ride. Hot and humid all year, with short rain showers at any time. The sea is calm and busy with ships. Everything is walkable or served by clean metro and buses.
In Sentosa afternoon highs average from 29°C in January to 31°C in October. The wettest month is January (about 27 rainy days out of 30) and the driest is October (21). Midday UV peaks at 8.7 in October, which is very strong, so protect your skin.
More about Singapore · Singapore in October · Best places in October
Questions about Sentosa
When is the best time to visit Sentosa for vitamin D?
Sentosa gives little vitamin D from the sun in any month for skin type III at age 30.
What is the weather like in Sentosa?
Afternoon highs average from 29°C in January to 31°C in October. The wettest month is January, with about 27 rainy days out of 30.
Which months should I avoid in Sentosa?
For a beach stay, avoid the months when it is rainy or stormy all year.