Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Thung Fon, Thailand, where the sun's rays can be both intense and unrelenting. With a tropical climate, this region experiences high UV levels, peaking at an alarming 15 around noon. Being aware of UV levels is vital to protect skin health and prevent painful sunburns. With clearer insights into potential risks, individuals can better plan their outdoor activities to ensure safety under the Thai sun.
As the sun rises, the UV Index begins its gradual ascent, peaking at a striking 15 by noon, indicating a high risk of harm from unprotected sun exposure. From 07:00 with a minimal reading of 1 to 11:00, when it surges to 13, the mid-morning hours witness a rapid increase. The intensity continues to climb, hitting its daily zenith at 12:00. Although it remains formidable throughout the early afternoon, dropping to 11 by 14:00, it's vital to stay vigilant about sun protection. As the day unfolds, the UVI dips in the late afternoon—7 at 15:00, then declining further to 1 by 18:00, finally settling at 0 by 19:00, marking a significant relief as the sun sets. Ensure you take the necessary precautions during peak hours to safeguard your skin!
| 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 | 10 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 14 | 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, the UV Index displays notable variations, soaring to its highest levels during the summer months. From January to March, the UV Index ranges from 9 to 14, marking the beginning of the high-risk season, which peaks in July with an index of 15. The extreme exposure category dominates from February through October, indicating a significant risk for skin damage in as little as 10 minutes of sun exposure. Months like February to April and the summer months of July and August are particularly high-risk, necessitating heightened sun safety precautions. Residents and visitors should wear protective clothing, apply sunscreen regularly, and limit sun exposure during peak hours to prevent sunburn and long-term skin damage, especially during these critical months. As the year transitions into November and December, while conditions improve slightly, a UV Index of 10 and 9 still indicates the need for protective measures.
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 |
| Thung Fon | 9 | 11 | 14 | 14 | 13 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |
| Chon Buri UVI | 10 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 10 | 9 |