Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Ranchi, India, where the sun’s rays can be quite intense, especially during the summer months typical of the Cwa climate. Being aware of UV levels helps in preventing sunburn and protecting your skin health. With UV Index values peaking at 13 around midday, it's vital to take necessary precautions to reduce exposure during these hours. Whether you're enjoying the outdoors or going about your daily routine, checking the UV Index for Ranchi can help you stay safe under the sun and promote long-term skin health.
As the sun ascends on this radiant day, the UV Index rises sharply, starting at a mild 3 at 7:00 AM. By 8:00 AM, it escalates to a moderate 6, but the real intensity hits around 10:00 AM when it reaches a peak of 11, indicating a high risk for sun exposure. The sun blazes at its strongest from 11:00 AM to 12:00 PM, peaking at a 13 before beginning its descent. The index drops to 9 by 1:00 PM, then gently declines to 7 at 2:00 PM, and falls further to 4 by 3:00 PM. As the afternoon wanes, the UV Index continues to taper off, dipping to a 2 at 4:00 PM and ultimately falling to 0 by 6:00 PM, marking a safe time to enjoy the evening outdoors. Remember to take proper precautions during those peak hours to safeguard your skin!
| 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 | 13 | extreme | 10 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 9 | 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 Index levels exhibit significant seasonal variation, with the highest readings occurring from April to October. During this period, the UV Index reaches its peak in August at 14, indicating an extreme exposure category and a minimal burn time of just 10 minutes. February and March also present high-risk conditions, with values of 8 and 10 respectively, categorized as very high. Residents and visitors should exercise caution during these months and take protective measures, including wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is strongest. As the year transitions to November and December, the UV Index decreases to 8 and 7, respectively, returning to very high and high exposure categories, which still warrants protective actions, albeit with longer burn times of 15 and 25 minutes. Ultimately, being mindful of UV levels throughout the year is crucial for 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 |
| 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 |
| Ranchi | 7 | 8 | 10 | 11 | 11 | 13 | 13 | 14 | 13 | 11 | 8 | 7 |
| 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 |