Last updated: May 3, 2025
In Chattahoochee Hills, understanding the UV Index is crucial for protecting your skin and preventing sunburn, especially during the peak summer months. With a Cfa climate, this picturesque region experiences considerable sunlight, elevating UV exposure risk throughout the day. As the UV Index can soar to a staggering 11 around midday, being aware of these levels helps guide outdoor activities and ensures your skin stays healthy and safe. By taking simple precautions based on the UV Index, residents and visitors can enjoy Chattahoochee Hills' beautiful outdoors while minimizing the risk of harmful sun effects.
The UV Index throughout the day presents an intriguing pattern of increasing intensity. Starting from a low of 1 at 07:00, the index creeps up slowly until it reaches 3 by 09:00. As the sun climbs higher, there's a notable surge, peaking at 11 from 13:00 to 14:00, indicating a high level of UV exposure. After 15:00, the numbers begin to taper off, descending to 5 by 17:00 and dwindling to 1 by 19:00. This data underscores the importance of sun protection during the midday hours when the UV Index is at its highest — reaching an impressive 9 and 11 during the critical midday period.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, the UV Index demonstrates considerable variation, impacting burn potential and risk levels for skin exposure. The highest risk months occur from March to August, with values peaking at 11 during May, June, and July, indicating an extreme exposure category with a burn time of just 10 minutes. February marks a shift into a high risk category, while September through November gradually decreases the UV levels, transitioning back to moderate by December. It is crucial for visitors and residents alike to exercise caution during these high-risk months by wearing protective clothing, applying sunscreen regularly, and seeking shade to mitigate the potential for skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Chattahoochee Hills | 4 | 7 | 8 | 10 | 11 | 11 | 11 | 10 | 9 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |