Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Dipayal, Nepal, where the sun's intensity can significantly impact skin health. With peak UV levels reaching up to 11 between noon and 1 PM, it’s essential for locals and visitors alike to stay aware of these measurements to prevent sunburn and long-term skin damage. The Cwa climate of Dipayal, characterized by warm summers and cool winters, presents unique challenges, making it vital to understand UV exposure risks throughout the year. By monitoring the UV Index daily, you can enjoy the beautiful outdoors while protecting your skin from harmful rays.
As the sun rises, the UV Index begins its ascent, peaking dramatically around midday. At 07:00, the index is a modest 2, a gentle introduction to the day's potential. By 08:00, it climbs to 5, signaling the need for some sun protection. The real intensity hits between 10:00 and 12:00, where the index reaches its maximum of 11, making this the most crucial time to seek shade and shield your skin. As the afternoon unfolds, the UV levels start to decline: by 15:00, it's lower at 4, and by 18:00, it drops further to 1. Finally, as night approaches, the index plummets to 0 at 19:00. Being aware of these fluctuations is vital for staying sun-safe throughout the day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 10 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, seasonal UV changes significantly impact outdoor activities. The high-risk months are March through September, where the UV Index rises sharply, peaking at 14 in July during the extreme exposure category—indicating a burn time of just 10 minutes. Visitors and residents should take precautions during these high-index months by wearing protective clothing, applying broad-spectrum sunscreen regularly, and seeking shade during peak UV hours. In contrast, January and February still present a high risk with indices of 6 and 7, respectively, so vigilance is key year-round. As autumn arrives, UV levels gradually decrease, allowing for somewhat safer outdoor activities, particularly in November and December when the burn times increase to 25-30 minutes. Overall, understanding these fluctuations is vital for maintaining skin safety while enjoying outdoor pursuits.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Biratnagar UVI | 5 | 6 | 8 | 9 | 10 | 11 | 13 | 12 | 12 | 9 | 7 | 5 |
| Birganj UVI | 5 | 6 | 8 | 10 | 10 | 12 | 13 | 12 | 11 | 9 | 7 | 5 |
| Dipayal | 6 | 7 | 9 | 11 | 11 | 12 | 14 | 12 | 11 | 9 | 6 | 5 |
| Patan UVI | 5 | 7 | 9 | 11 | 11 | 13 | 14 | 13 | 12 | 10 | 7 | 5 |
| Kathmandu UVI | 5 | 7 | 9 | 11 | 11 | 13 | 14 | 13 | 12 | 10 | 7 | 5 |
| Pokhara UVI | 7 | 9 | 12 | 13 | 14 | 15 | 15 | 15 | 14 | 12 | 8 | 6 |