Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Cordry Sweetwater Lakes, United States, where the beautiful lake landscapes mask potential sun exposure risks. With peak UV levels reaching 10 during midday, awareness becomes vital for sunburn prevention and overall skin health. In a Cfa climate, characterized by warm summers and ample sunshine, knowing the UV Index can empower you to take necessary precautions, ensuring a safe and enjoyable experience while soaking up the sun's warmth. Remember, protecting your skin today means a healthier tomorrow!
The UV Index starts off gentle in the early hours, peaking at 1 around 07:00 and 08:00. As the sun ascends, it gradually climbs to reach 2 by 09:00 and then surges to 4 by 10:00. A significant spike occurs around 11:00, peaking at 6, before reaching its zenith of 10 from 13:00 to 14:00—a crucial time for sun protection. As the afternoon wanes, the index begins to decline, tapering down to 7 at 16:00, then to 5 by 17:00. As the sun sets, it drops to 3 at 18:00, and finally sinks back to a safe 1 by 19:00, reminding us to be cautious in the midday sun while enjoying the warm daylight.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the seasons shift, the UV Index reveals a significant increase in ultraviolet radiation, particularly from March to September, indicating a heightened risk of sunburn and skin damage. The high-risk months are clearly defined from April to August, with the peak reaching a UV Index of 11 in June. During these times, the exposure category escalates to very high or extreme, resulting in a burn time as short as 10 minutes. Visitors and residents are strongly advised to take precautionary measures by wearing protective clothing, applying sunscreen, and seeking shade, especially during midday hours when the sun's intensity is at its peak. As the UV Index decreases in the fall and winter months, maintaining awareness and protection remains essential to ensure skin health year-round.
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 |
| Cordry Sweetwater Lakes | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |