Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Peranamallur, India, where the sun's rays can be particularly intense. As a region characterized by an Aw climate, awareness of daily UV levels helps mitigate risks such as sunburn and long-term skin damage. With peak UV Index readings soaring to 11 and 13 during midday, recognizing when it's safe to enjoy the outdoors is vital for protecting your skin health. By staying informed about UV exposure risks, you can take proactive steps to enjoy the sunny weather while safeguarding your well-being.
The UV Index fluctuated dramatically throughout the day, showcasing the sun's intensity. Starting mild at 07:00 with a rating of 2, it quickly ascended, peaking at a blistering 13 around 11:00 and 12:00. This midday surge emphasized the importance of sun protection. As the sun began to descend, the UV levels dropped sharply, tapering off to a 5 by 15:00, and dwindling further to 0 by 19:00. This pattern highlights the critical window for UV exposure from 09:00 to 14:00, where caution and protection are paramount to safeguard against harmful rays.
| 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 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | 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 |
The UV Index experiences significant fluctuations throughout the year, peaking in the spring and summer months. From January to February, the UV Index rises from 10 to a maximum of 12, indicating a transition into the extreme exposure category, with a burn time of just 10 minutes. This trend continues into March, April, and May, where the index reaches a high of 14 in April, remaining at 12 during subsequent months. The summer months of June, July, and August maintain an extreme category UV Index between 12 and 13, necessitating vigilant sun protection. The risk remains elevated into September and October but tapers off, with November and December seeing a decline to 10 and 9, respectively, both still classified as very high. Therefore, visitors and residents should exercise caution, particularly between February and October, with April through August posing the highest risk. It is advisable to wear sunscreen, protective clothing, and seek shade during peak hours to minimize UV exposure.
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 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Peranamallur | 10 | 12 | 12 | 14 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |