Last updated: July 2, 2025
Awareness of the UV Index in Biswanath Chariali, India, is crucial for everyone, as it serves as a vital indicator of the sun's intensity and potential harm. Understanding UV levels is essential for sunburn prevention and long-term skin health, as just a few moments of unprotected exposure can lead to lasting damage. Nestled in a Cwa climate zone, Biswanath Chariali experiences significant UV exposure, particularly during the peak hours of 10 AM to 1 PM, when levels soar to a maximum of 13. Stay informed and protect your skin by checking the UV Index regularly, ensuring safe outdoor activities year-round!
The hourly UV Index data paints a vivid picture of sun exposure throughout the day. Starting early, at 7:00 AM, the UV Index is a mild 4, increasing steadily to reach its peak at 10:00 AM and 11:00 AM with a high of 13. The intensity remains significant until 12:00 PM, when it slightly dips to 12 but still demands attention. As the afternoon progresses, the index begins to decline rapidly: it drops to 9 at 1:00 PM, and by 2:00 PM, it's reduced to 6. The sun’s power wanes further to 3 at 3:00 PM, before tapering off to 1 by 4:00 PM, and eventually settling at 0 by 6:00 PM—signaling a safe reprieve from UV exposure. With these fluctuations, it’s crucial to be sun-safe during peak hours, especially between 10:00 AM and 2:00 PM.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 4 | moderate | 30 min |
| 08:00 | 7 | high | 25 min |
| 09:00 | 10 | very high | 15 min |
| 10:00 | 13 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 6 | high | 25 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 |
As the seasons change, so do UV index levels, significantly impacting sun safety for visitors and residents. From January to March, UV exposure rises gradually, peaking at a very high index of 8 in March with a burn time of just 15 minutes. The high-risk months, notably from May through September, encompass extreme UV levels, with a peak of 13 in July, where the burn time shortens to just 10 minutes. During these months, it is crucial to take protective measures like wearing sunscreen, hats, and sunglasses, especially during peak sunlight hours. As fall occurs, UV levels decrease, returning to a moderate index by December, but caution remains advised during the transition months of October and November. Always be aware of the UV index to protect yourself and enjoy sunny days safely!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Biswanath Chariali | 5 | 7 | 8 | 9 | 12 | 12 | 13 | 12 | 11 | 9 | 7 | 5 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |