Last updated: July 2, 2025
Understanding the UV Index in Achham, Nepal, is crucial for everyone who enjoys the outdoors. With the potential for intense UV radiation, particularly during midday hours, awareness of UV levels can help prevent sunburn and protect skin health. Achham's Cwb climate often brings clear, sunny days, making it essential to monitor UV exposure, especially when the index peeks at a high of 14 between 11:00 AM and 12:00 PM. Emphasizing the importance of sun safety measures, residents and visitors alike can better enjoy Achham’s beautiful landscapes while keeping their skin safe from harmful rays.
As the sun rises, the UV Index begins its ascent, peaking at a remarkable 14 between 11:00 AM and 12:00 PM. This indicates a time when sun protection is crucial, as the intensity of ultraviolet radiation reaches dangerously high levels. The index starts from a gentle 3 at 07:00, gradually climbing to 9 by 09:00. After its midday peak, the UV Index starts to decline, dropping to 6 at 15:00, and dwindling further as the afternoon wanes, reaching 1 by 17:00. By evening, the UV exposure is negligible, with values hitting a comforting 0 by 19:00. Be sure to protect your skin during those midday hours when UV exposure is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 9 | very high | 15 min |
| 10:00 | 12 | extreme | 10 min |
| 11:00 | 14 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | 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, UV index levels exhibit significant variation, with the highest risk months being March through September. During these months, the UV index often reaches extreme levels, peaking in July with a UV index of 14 and a burn time of just 10 minutes. In contrast, January and February see a high UV index of 6 and 7, respectively, allowing for a longer exposure time of 25 minutes. As we transition into October, the risk decreases to a very high index of 9, before dropping to a moderate level of 5 in December. Residents and visitors are advised to take precautionary measures during high-risk months, especially between March and September, by wearing protective clothing, applying sunscreen regularly, and minimizing direct sun exposure during peak hours.
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 |
| Achham | 6 | 7 | 10 | 11 | 12 | 12 | 14 | 13 | 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 |