Langkawi, Malaysia: vitamin D, best months and travel guide
Duty-free archipelago of beaches, mangroves and a cable car. Best for: families, couples.
The best months for vitamin D in Langkawi are December to February, when a full dose takes about 6 minutes at midday. Too hot from March to April and rainy or stormy from May to November.
Langkawi month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.5 h | 7.7 | 7 min | 31°C | 15/30 |
| February | Excellent | 8.1 h | 8.7 | 6 min | 34°C | 11/30 |
| March | Too hot | 8.2 h | 9.1 | 6 min | 34°C | 15/30 |
| April | Too hot | 8.4 h | 8.8 | 6 min | 33°C | 27/30 |
| May | Bad weather | 7.9 h | 8.1 | 7 min | 31°C | 27/30 |
| June | Bad weather | 7.3 h | 7.3 | 7 min | 30°C | 22/30 |
| July | Bad weather | 7.5 h | 7.5 | 7 min | 30°C | 23/30 |
| August | Bad weather | 7.4 h | 7.9 | 7 min | 29°C | 28/30 |
| September | Bad weather | 6.6 h | 7.6 | 7 min | 29°C | 27/30 |
| October | Bad weather | 7.5 h | 8.0 | 7 min | 29°C | 28/30 |
| November | Bad weather | 6.3 h | 6.9 | 8 min | 29°C | 28/30 |
| December | Excellent | 6.9 h | 7.1 | 8 min | 30°C | 17/30 |
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 Langkawi
Duty-free archipelago of beaches, mangroves and a cable car. Hot and humid all year with afternoon storms. The east coast islands (Perhentian, Redang, Tioman) close in the monsoon from November to February, while the west coast (Langkawi, Penang) is wetter around September and October.
In Langkawi afternoon highs average from 29°C in October to 34°C in March. The wettest month is August (about 28 rainy days out of 30) and the driest is February (11). Midday UV peaks at 9.1 in March, which is very strong, so protect your skin.
An archipelago of 99 islands known for its beaches, rainforest, mountains, mangrove estuaries and unique nature. (Wikivoyage, CC BY-SA 4.0)
More about Malaysia · Malaysia in February · Best places in February
Questions about Langkawi
When is the best time to visit Langkawi for vitamin D?
The best months for vitamin D in Langkawi are December to February, when a full dose takes about 6 minutes at midday.
What is the weather like in Langkawi?
Afternoon highs average from 29°C in October to 34°C in March. The wettest month is August, with about 28 rainy days out of 30.
Which months should I avoid in Langkawi?
For a beach stay, avoid the months when it is too hot from March to April and rainy or stormy from May to November.