Last updated: May 3, 2025
Understanding the UV Index is crucial for ensuring your safety and skin health in Khao Chaison, Thailand. With its tropical climate, this vibrant region experiences intense sun exposure, especially during midday when the UV Index peaks at an alarming 14. Being aware of these UV levels enables residents and visitors to take necessary precautions against sunburn and long-term skin damage. The sun can be deceptive in the early hours, with a mild 1 at 7 AM, escalating to a harsh 13 by noon. By knowing when to seek shade or apply sunscreen, you can enjoy the beautiful outdoors while protecting your skin from harmful UV rays.
The UV Index throughout the day presents a dynamic range of exposure, peaking dramatically at 12:00 PM with a significant index of 14. Starting low at 07:00 AM with a mild 1, the index steadily rises to 6 by 09:00 AM, reaching a robust 9 at 10:00 AM. The intensity continues to escalate, hitting a maximum of 13 at both 11:00 AM and 1:00 PM, where sun safety becomes crucial. As the afternoon progresses, the intensity begins to decline, dropping to 7 by 3:00 PM and tapering off swiftly to 1 by 5:00 PM, eventually reaching zero by 7:00 PM. It's a vivid reminder of the sun's power, with the midday hours requiring vigilant protection against UV exposure.
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 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, reaching extreme levels from January to November, with values peaking at 15 in March and April. The risk of skin damage is significant, as the burn time is consistently limited to just 10 minutes. The months of February, March, April, May, August, September, and October are particularly high-risk, maintaining UV Index scores of 14 or higher. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible. Staying vigilant about UV exposure is essential to protect skin health 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 |
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 Chaison | 12 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 12 | 11 |