UV Index in Chiang Mai
About UV Exposure in Chiang Mai
Check the live UV index in Chiang Mai, Thailand before you head outside. This page shows the current UV level, how UV rises and falls through the day, the 7-day outlook and the sun protection the World Health Organization recommends at each level. UV in Chiang Mai peaks around solar noon and is stronger in summer, at altitude and under clear skies, so a quick look at today's curve helps you plan outdoor time safely.
Frequently Asked Questions
What is the UV index in Chiang Mai today?
The current UV index in Chiang Mai is shown at the top of this page and refreshes each time you open it, together with the WHO protection advice for that level.
When is UV strongest in Chiang Mai?
UV radiation in Chiang Mai is normally strongest between 11:00 and 15:00 local time. The hourly chart on this page shows exactly when today's peak falls.
How can I protect myself from UV in Chiang Mai?
From UV 3 upwards, use SPF 30+ sunscreen, a hat and sunglasses, and seek shade around midday. Apply sunscreen 20 minutes before going out and reapply every two hours.
Can the UV index in Chiang Mai be high when it is cloudy or cold?
Yes. Up to 80% of UV passes through light cloud, and cool air does not reduce UV. Snow, water and sand also reflect UV and increase your exposure.