Last updated: June 2, 2025
In Saint Thomas Mount, India, staying informed about the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding the levels of UV exposure throughout the day allows residents and visitors to take necessary precautions against harmful rays, especially during peak hours when the index can reach up to 12. Given the region's Aw climate, characterized by hot and sunny conditions, the risk of overexposure to UV radiation is high. Awareness of these UV levels not only supports skin protection but also promotes a healthier lifestyle in this vibrant locale.
The UV Index throughout the day reveals a striking pattern of solar intensity. Early risers at 07:00 experience a mild level of 2, but as the sun climbs higher, the intensity surges. By 10:00, it reaches a peak of 10, and the midday hours from 11:00 to 12:00 are even more intense, with a UV Index of 12—the point at which protective measures become essential. As the afternoon progresses, the index begins to decline, dropping to 7 at 14:00 before easing to 4 by 15:00. The evening brings relief, with the index plummeting to 1 by 17:00 and eventually fading to 0 after 18:00. To make the most of the sun, enjoy the morning hours, but be cautious during peak times and keep that sunscreen handy!
| 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 | 10 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 12 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences notable seasonal changes, peaking during the summer months with extreme levels. February to October marks the high-risk period for UV exposure, especially from March to October, where the UV Index reaches its highest at 14 in April. Burn times are notably short during these months, often just 10 minutes, indicating a critical need for sun protection. Residents and visitors are strongly advised to minimize sun exposure during peak hours, wear protective clothing, and use a broad-spectrum sunscreen to safeguard against harmful UV radiation. In contrast, January, November, and December see a decline in UV levels to very high, with slightly longer burn times of 15 minutes, still warranting caution. Stay vigilant throughout the year to ensure your skin remains protected against UV 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 |
| 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 |
| Saint Thomas Mount | 9 | 12 | 13 | 14 | 12 | 12 | 13 | 13 | 13 | 11 | 10 | 9 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |