Last updated: July 2, 2025
In Thepha, Thailand, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. With a tropical climate that often results in high UV exposure, understanding the varying levels of ultraviolet radiation helps residents and visitors alike protect themselves from potential harm. During peak sunlight hours, particularly between 10 AM and 2 PM, UV Index levels can soar as high as 13, indicating extreme risk of harm from unprotected sun exposure. By being aware of these fluctuations, you can enjoy the beautiful Thai sun while safeguarding your skin against its damaging effects.
As the sun rises, the UV Index begins its climb, starting at a mild 1 by 7:00 AM. By 9:00 AM, it reaches a moderate 5, but it’s from 10:00 AM to 1:00 PM that the UV rays pack a punch, peaking at a staggering 13 at 12:00 PM. This intense exposure persists slightly into the afternoon, with levels at 12 and 10 from 1:00 to 2:00 PM before gradually tapering off. By 3:00 PM, the UV Index drops to a safer 7, then continues to decline throughout the evening, falling back to 1 by 5:00 PM and reaching zero by 7:00 PM. Remember, during peak hours, it’s crucial to protect your skin from those harmful rays! 🌞
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index experiences extremely high levels consistently throughout the year, with the peak occurring from February to April, reaching a maximum of 15. March and April stand out as particularly high-risk months, prompting special caution for both residents and visitors. Regardless of the month, the burn time remains a swift 10 minutes, signaling the urgent need for protective measures. It is imperative for everyone to be vigilant while outdoors—wearing sunscreen, protective clothing, and sunglasses, especially during these critical months, to minimize the risk of skin damage and health complications from excessive UV exposure.
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 |
Thepha | 12 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 12 | 12 |