Last updated: June 2, 2025
Understanding the UV Index in Daltonganj, India, is crucial for safeguarding your skin and overall health in this tropical climate. With UV levels peaking in the midday sun, it’s essential to recognize how these levels can contribute to sunburn and long-term skin damage. As a city nestled in the Cwa climate zone, Daltonganj experiences significant UV exposure, especially between 10 AM and 2 PM, when values soar to 11—indicating very high risks. By staying informed about the UV Index, residents can take proactive measures to protect themselves during these critical hours, ensuring their time outdoors is both enjoyable and safe.
As the sun rises, the UV Index starts at a moderate 3 by 7:00 AM, gently warming up the day. By 9:00 AM, it escalates to a significant 8, peaking at 11 between 11:00 AM and 12:00 PM—a time when sun protection is crucial. The intensity begins to wane post-noon, dropping to 7 at 2:00 PM, and continues its descent to 4 by 3:00 PM. As the afternoon fades, the UV Index declines further, reaching 1 by 5:00 PM and settling at a safe 0 by 7:00 PM. This hourly progression emphasizes the importance of monitoring UV levels throughout the day for optimal sun safety.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 3 | moderate | 30 min |
08:00 | 5 | moderate | 30 min |
09:00 | 8 | very high | 15 min |
10:00 | 10 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | 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 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk occurring during the summer months. From March to September, UV Index values often reach the extreme category, peaking in July and August at an index of 13, where burn time is limited to just 10 minutes. Notably, April and June also feature extreme conditions with an index of 11. Visitors and residents should be especially vigilant during these months, taking precautions such as wearing protective clothing, applying sunscreen, and seeking shade during peak hours. The high-risk months are therefore March through September, while January, February, November, and December present lower UV levels but still fall into the high exposure category. During these cooler months, a burn time of 25 minutes is possible but caution is still advisable to minimize skin damage.
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 |
Daltonganj | 6 | 7 | 9 | 11 | 10 | 11 | 13 | 13 | 12 | 10 | 7 | 6 |
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 |