Last updated: July 2, 2025
In Mae Ai, Thailand, understanding the UV Index is crucial for safeguarding your skin against harmful UV radiation. With a typical tropical climate and significant exposure to the sun, awareness of UV levels can help prevent sunburn and long-term skin health issues. During peak hours, particularly from 11:00 AM to 1:00 PM, the UV Index can soar to dangerous levels, reaching a maximum of 15. Staying informed about these fluctuations enables residents and visitors alike to take necessary precautions, ensuring enjoyable and safer outdoor activities under Thailand's sunny skies.
As the day unfolds, the UV Index soars, first reaching 3 by 8:00 AM, but it's by 10:00 AM that it really peaks at 9, indicating a strong need for sun protection. The highest intensity occurs at 12:00 PM with a notable 15, prompting caution for those enjoying outdoor activities. From 1:00 PM to 3:00 PM, the index remains high, fluctuating between 14 and 12, before gradually tapering off through the afternoon into the evening. By 7:00 PM, the index drops sharply to 1, and as dusk settles, it hits 0 at 8:00 PM, highlighting a dramatic decline in UV exposure as the sun sets. Remember, during the hours of peak intensity, it's vital to shield your skin to enjoy the sun safely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 13 | extreme | 10 min |
12:00 | 15 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 12 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest levels occurring from March through October. During this peak period, particularly from May to September, the UV Index frequently reaches extreme levels, peaking at 15 in both July and September. High-risk months include March, April, May, June, July, August, September, and October, all of which have a burn time of just 10 minutes or less under extreme UV exposure. To protect yourself, visitors and residents are strongly advised to wear sunscreen, seek shade, and limit sun exposure during peak hours, particularly from 10 AM to 4 PM. In the winter months of January, February, November, and December, while the UV Index is lower, it remains in the very high category, with a burn time of 15 minutes, indicating that sun protection is still essential year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mueang Nonthaburi UVI | 10 | 12 | 14 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |
Samut Prakan UVI | 10 | 12 | 14 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |
Bangkok UVI | 10 | 12 | 14 | 13 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |
Mae Ai | 9 | 10 | 13 | 13 | 14 | 14 | 15 | 14 | 15 | 13 | 10 | 8 |
Udon Thani UVI | 9 | 11 | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 12 | 10 | 9 |
Chon Buri UVI | 10 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 10 | 9 |