Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Butwal, Nepal, where the sun's potent rays can pose significant skin health risks. With typical UV levels peaking dramatically, especially around midday, awareness of these levels can help prevent sunburn and long-term skin damage. In this Cwa climate, Butwal experiences heightened UV exposure, particularly during summer months, making it essential to monitor the UV Index daily for safe sun practices. Embrace the sun wisely by staying informed!
The UV Index today rises with the sun, reaching its peak at 11:00 AM with a striking 13, indicating a high level of sun exposure risk. Early risers will notice a moderate 3 at 7:00 AM, but intensity quickly escalates, peaking at 10:00 AM with an index of 11. If you're planning outdoor activities, the 9:00 AM mark also shows a robust 8, urging caution around midday. As the afternoon rolls in, values steadily decline, dipping to 8 by 2:00 PM and further dropping to a gentle 1 by 5:00 PM. By evening, the UV Index fades to 0, offering a truly safe time to enjoy the outdoors. Remember to protect your skin when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | 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, UV Index levels exhibit notable seasonal changes, indicating varying risks for sun exposure. From March to September, the UV Index reaches its peak, categorizing April to September as high-risk months with UV Index values predominantly in the very high to extreme range. Specifically, June and July present the highest risk, with UV Index levels of 12 and 13, during which the burn time reduces to just 10 minutes. Residents and visitors are strongly advised to take precautions during these months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen frequently. As the year progresses towards October and November, a gradual decline in UV levels signifies a reduction in risk, yet vigilance is still essential, especially in the lingering high exposure months like February and November.
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 |
| Butwal | 4 | 6 | 8 | 10 | 10 | 12 | 13 | 12 | 11 | 9 | 7 | 5 |
| Birganj UVI | 5 | 6 | 8 | 10 | 10 | 12 | 13 | 12 | 11 | 9 | 7 | 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 |