Last updated: July 2, 2025
In Warin Chamrap, Thailand, staying informed about the UV Index is crucial for maintaining healthy skin and preventing sunburn. With the region's Aw climate characterized by hot summers, residents and visitors face significant UV exposure, particularly during midday hours. Understanding the daily UV levels—ranging from a moderate 3 in the morning to an intense 14 at noon—empowers you to take proactive measures against harmful UV radiation, ensuring you enjoy the sun safely while protecting your skin’s health. Whether you’re planning outdoor activities or simply soaking up the sun, knowing the UV Index can help you make informed decisions and mitigate risks associated with sun exposure.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it climbs to a mild 3, but the real intensity hits at 9:00 AM with a 7. The peak occurs between 10:00 AM and 12:00 PM, with the index soaring to a sizzling 14 at 12:00 PM. As the afternoon progresses, UV levels start to decline, dropping to 10 by 2:00 PM and then down to 3 by 4:00 PM. Finally, the day winds down with the UV Index falling back to 0 by 7:00 PM, making it a day where sun protection is crucial during the midday hours. Stay protected!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 13 | 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 significant fluctuations throughout the year, with the highest levels recorded from February to October, particularly peaking in May (UV Index 15) and maintaining extreme levels from March to October. January starts the year with a UV Index of 10, categorizing it as very high, while November and December also retain a very high exposure but with slightly lower indices of 10 and 9, respectively. High-risk months are predominantly from February to October, where the UV Index remains at extreme levels of 13 to 15, resulting in a burn time of just 10 minutes. Residents and visitors are strongly advised to take protective measures during these months, such as wearing sunscreen, protective clothing, and avoiding sun exposure during peak hours to minimize the risk of UV-related 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 |
| Warin Chamrap | 10 | 13 | 14 | 14 | 15 | 13 | 14 | 14 | 14 | 12 | 10 | 9 |