Kep, Cambodia: vitamin D, best months and travel guide
Crab-market seaside town with villas. Best for: foodies, quiet stays.
The best months for vitamin D in Kep are December to April, when a full dose takes about 6 minutes at midday. Rainy or stormy from May to November.
Kep month by month
| Month | Rating | Sun window | Peak UV | Full dose, age 30 | Afternoon high | Rainy days |
|---|---|---|---|---|---|---|
| January | Excellent | 7.8 h | 7.6 | 7 min | 32°C | 6/30 |
| February | Excellent | 8.1 h | 8.5 | 6 min | 32°C | 7/30 |
| March | Excellent | 8.3 h | 8.7 | 6 min | 32°C | 13/30 |
| April | Excellent | 8.6 h | 9.1 | 6 min | 33°C | 10/30 |
| May | Bad weather | 7.6 h | 8.1 | 7 min | 32°C | 25/30 |
| June | Bad weather | 6.8 h | 7.1 | 8 min | 30°C | 22/30 |
| July | Bad weather | 4.7 h | 5.4 | 10 min | 29°C | 27/30 |
| August | Bad weather | 8.1 h | 8.4 | 6 min | 29°C | 26/30 |
| September | Bad weather | 5.8 h | 6.5 | 8 min | 29°C | 27/30 |
| October | Bad weather | 7.0 h | 7.5 | 7 min | 29°C | 29/30 |
| November | Bad weather | 7.2 h | 7.2 | 7 min | 31°C | 19/30 |
| December | Good | 6.5 h | 6.4 | 8 min | 30°C | 12/30 |
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 Kep
Crab-market seaside town with villas. Hot all year, a dry season from November to April, and heavy rain from June to October. Facilities on the islands are simple. Angkor is best early in the morning.
In Kep afternoon highs average from 29°C in July to 33°C in April. The wettest month is October (about 29 rainy days out of 30) and the driest is January (6). Midday UV peaks at 9.1 in April, which is very strong, so protect your skin.
A seaside area which pre-dates Sihanoukville as the main beach resort in Cambodia; slowly being re-discovered by international… (Wikivoyage, CC BY-SA 4.0)
More about Cambodia · Cambodia in April · Best places in April
Questions about Kep
When is the best time to visit Kep for vitamin D?
The best months for vitamin D in Kep are December to April, when a full dose takes about 6 minutes at midday.
What is the weather like in Kep?
Afternoon highs average from 29°C in July to 33°C in April. The wettest month is October, with about 29 rainy days out of 30.
Which months should I avoid in Kep?
For a beach stay, avoid the months when it is rainy or stormy from May to November.