Last updated: May 3, 2025
Understanding the UV Index in Lahan, Nepal, is vital for protecting your skin from harmful ultraviolet radiation. With peak UV levels often reaching a maximum of 10 around midday, awareness of these fluctuations can significantly aid in sunburn prevention and enhance your overall skin health. Lahan’s Cwa climate brings a mix of humid summers and mild winters, creating conditions where UV exposure risks can soar during the warmer months. Being informed about UV levels helps residents and visitors alike navigate outdoor activities safely and enjoy the beautiful surroundings without compromising their well-being.
In this dynamic UV Index profile, the sun's intensity peaks at 11:00 AM with a maximum value of 10, signaling a strong need for protection during those hours. As the day progresses, the UV Index climbs steadily from 3 at 07:00 to its zenith at 10:00, where it hits 9. While a friendly UV level of 8 lingers at 01:00 PM, the sun begins to retreat, dropping to 5 by 02:00 PM and diminishing further to 3 at 03:00 PM. As the afternoon wanes, the UV Index dips dramatically, reaching 1 by 04:00 PM and fading to a safe 0 by 06:00 PM. Be sure to protect your skin during those midday hours when the sun is at its fiercest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 3 | moderate | 30 min |
| 08:00 | 5 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations, with high-risk months primarily occurring from March to September. During these months, the UV Index reaches levels classified as very high to extreme, with peak values of 13 in July and 12 from June to September. Consequently, during these times, the recommended burn time drastically decreases, ranging from 10 minutes in the most intense periods to 15 minutes in late autumn. Visitors and residents are advised to take necessary precautions, such as wearing sunscreen, protective clothing, and wide-brimmed hats, particularly during midday hours when UV radiation is strongest. Awareness and proactive measures can help prevent skin damage and associated health risks throughout the year.
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 |
| Lahan | 5 | 6 | 8 | 10 | 10 | 12 | 13 | 12 | 12 | 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 |