Last updated: July 2, 2025
In Khao Chamao, Thailand, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate characterized by high UV exposure, especially between 10 AM and 2 PM, awareness of UV levels can help residents and visitors make informed decisions about sun protection. At its peak, the UV Index can reach 14, indicating an extreme risk of harm from unprotected sun exposure. By staying informed about the UV Index, you can enjoy the beauty of Khao Chamao while protecting your skin from potential damage.
The UV Index throughout the day reveals a dynamic and intense sun exposure pattern. Starting off at a mild 1 at 7:00 AM, the index rises steadily, reaching 3 by 8:00 AM. As the morning unfolds, the UV levels escalate, peaking at an impressive 14 from 12:00 PM to 1:00 PM, marking the highest point of sun intensity. Even as the afternoon progresses, the index remains robust, at 11 by 2:00 PM and descending gradually to 7 by 3:00 PM. The sun starts to soften in the late afternoon, with readings dropping to 2 by 5:00 PM. By 6:00 PM, the UV exposure falls to 1, and after 7:00 PM, it rounds off at 0, signaling the end of the sun’s harsh effects for the day. It’s essential to stay protected during those peak hours, especially between 11:00 AM and 1:00 PM, to shield against the sun's strongest rays.
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 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 7 | high | 25 min |
16:00 | 4 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV exposure varies significantly, with high-risk months predominantly from February to November, during which the UV Index consistently falls in the extreme category. The months of March, April, May, July, and August see the highest UV Index levels of 14, indicating a burn time of just 10 minutes. Notably, January and December have a UV Index of 10, classifying them as very high, with a slightly safer burn time of 15 minutes. It is crucial for visitors and residents to take precautions during these peak UV months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during midday hours to minimize the risk of skin damage.
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 |
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 |
Khao Chamao | 10 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 11 | 10 |