Last updated: June 2, 2025
Understanding the UV Index in Kolkata, India is crucial for protecting your skin and overall health. With the region's tropical climate often resulting in high UV levels, awareness of these factors can help prevent sunburns and long-term skin damage. Typically, UV exposure peaks between 10 AM and 12 PM, reaching a significant index of 12, indicating very high risk. As outdoor activities increase, being informed about the daily UV levels can empower residents and visitors alike to take necessary precautions, ensuring a safe and enjoyable experience under the sun.
At 07:00, the UV Index starts off mild at 3, perfect for early risers. As the day progresses, sunlight intensifies, peaking at 11:00 with a strong 12, indicating it's time to seek shade or lather on the sunscreen. The index remains high at 12 until 12:00, before gradually declining throughout the afternoon. By 13:00, it drops to 9, and by 14:00, it's down to 6. The evening brings further relief, with values decreasing to 3 at 15:00 and dwindling to 1 by 17:00. Eventually, as the sun sets, the UV levels slip to a safe 0 by 18:00 and remain there until the end of the day. Enjoying the outdoors? Remember to take precautions during peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 3 | moderate | 30 min |
08:00 | 6 | high | 25 min |
09:00 | 9 | very high | 15 min |
10:00 | 11 | extreme | 10 min |
11:00 | 12 | 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 | 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 Index levels exhibit significant seasonal changes, with high-risk months typically occurring from March to October. The UV Index peaks during the summer, reaching 13 in July, August, and September, indicating extreme exposure, where the burn time is as little as 10 minutes. Visitors and residents alike should take precautions, especially in the late spring and summer months, by wearing sunscreen, protective clothing, and sunglasses, and seeking shade during peak sun hours. In contrast, January and December demonstrate moderate UV levels with an index of 5, offering more manageable risks, while November and February present high levels at 7. Overall, it is crucial to stay vigilant about UV exposure, particularly during the spring and summer months, to ensure skin health and safety.
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 |
Kolkata | 5 | 7 | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 11 | 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 |