Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Kalka, India, especially given the region's Cwa climate, which can lead to heightened sun exposure. Awareness of UV levels is essential for preventing sunburn and protecting skin health, as they can fluctuate significantly throughout the day. For instance, in Kalka, the UV Index peaks at 12 around noon, posing a high risk for skin damage. By staying informed about these levels, you can take proactive measures to shield yourself from harmful rays and enjoy the beautiful outdoors while safeguarding your skin.
At dawn, 7:00 AM, the UV Index is a mild 2, perfect for enjoying the early morning. As the day progresses, the intensity ramps up dramatically, peaking at 12:00 PM with a striking 12—the sun is at its fiercest, urging everyone to seek shade and stay protected. The UV Index begins to gradually decline after this peak, dipping to 10 at 1:00 PM and 8 by 2:00 PM, making the afternoon still quite bright but less intense. By the late afternoon, the UV levels drop further to 5 at 3:00 PM and continue to decrease, reaching a gentle 1 at 5:00 PM and maintaining that level into the evening hours until it finally settles at 0 after sunset at 7:00 PM. Overall, it's essential to be mindful of sun exposure during the height of the day!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | 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 | 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, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The high-risk months are from March to August, where the UV Index peaks at 12 in July and August, categorized as extreme. During these months, the recommended burn time can be as short as 10 minutes, highlighting the urgent need for protection. Visitors and residents should take extra precautions, such as wearing sunscreen, protective clothing, and sunglasses, particularly during midday hours when UV radiation is strongest. Conversely, from September to February, the UV Index generally lowers, with burn times extending and risks decreasing. Staying informed and adapting to these seasonal changes is crucial for safeguarding skin health.
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 |
Kalka | 5 | 6 | 9 | 10 | 11 | 10 | 12 | 12 | 9 | 7 | 5 | 4 |
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 |