Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Siliguri, India, where the Cwa climate results in significant variations in UV exposure throughout the day. With levels peaking at a striking 13 around midday, it's essential to be informed about how to protect your skin from potential sunburn and long-term health risks. Awareness of UV levels not only aids in preventing immediate discomfort but also plays a pivotal role in maintaining overall skin health. As outdoor activities abound in this vibrant city, knowing when to seek shade or apply sunscreen can make all the difference in enjoying the sun safely.
The UV Index throughout the day showcases a dynamic shift in sun intensity. Early morning starts with a moderate 3 at 07:00, gradually escalating as the sun climbs higher. By 09:00, the index reaches a peak of 10, signifying the need for sun protection. The intensity continues to rise, peaking at 13 by 11:00, just before noon. From there, it slightly descends, holding steady at 12 until 12:00, then tapering off as the afternoon progresses. The index drops to 10 by 13:00, followed by a swift decline to 7 at 14:00, then further down to 4 at 15:00. As the evening approaches, the UV exposure diminishes significantly, plummeting to 1 by 17:00 and finally reaching zero by 18:00 and beyond. Embrace the sun wisely!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 3 | moderate | 30 min |
08:00 | 6 | high | 25 min |
09:00 | 10 | very high | 15 min |
10:00 | 12 | extreme | 10 min |
11:00 | 13 | extreme | 10 min |
12:00 | 12 | 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 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months being May through September. During these months, the UV Index peaks at 13, categorized as extreme, indicating a burn time of just 10 minutes. As spring approaches, the UV Index rises from 5 in January to 10 by October, signaling a shift from moderate to very high exposure categories in March and April. Residents and visitors should be particularly vigilant during this period—especially in May, June, July, and August—by seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize sun damage. As the year progresses towards winter, UV levels decrease, returning to moderate status in December, providing a safer environment for outdoor activities.
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 |
Siliguri | 5 | 6 | 8 | 10 | 11 | 12 | 13 | 13 | 11 | 10 | 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 |