Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Shannon, United States, where the climate offers sunny spells that can elevate UV exposure significantly. With peak UV levels reaching an intense 11 around midday, awareness of these figures is essential for protecting your skin from sunburn and long-term health risks. Knowing when to seek shade or apply sunscreen can make a vital difference in your skin's health, especially in this climate characterized by warm summers and moderate UV risks. Stay informed and enjoy the sun responsibly!
As the sun rises, the UV Index begins to climb gently, peaking at a moderate 1 at 7:00 AM and maintaining that level until 9:00 AM. By 10:00 AM, the intensity sharply rises to 5, and by midday, it reaches a remarkable 9. The afternoon sees the UV Index soar to its maximum of 11 at both 1:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index gradually declines, hitting 7 at 4:00 PM and settling to a safer 2 by 6:00 PM, before returning to 1 after sunset. This fluctuation underscores the importance of sun protection during peak hours, particularly between 10:00 AM and 3:00 PM.
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 | 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 |
Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The highest risk months are from May to August, when the UV Index peaks at an extreme level of 11, allowing for a burn time of just 10 minutes. Notably, March and April also present high risks with indices reaching 8 and 10, respectively. Conversely, the winter months of January and December have a moderate UV Index of 4, with longer burn times of 30 minutes. To protect yourself during high UV months, it is essential for both visitors and residents to apply sunscreen regularly, wear protective clothing, and seek shade during peak sun hours, particularly from late spring through summer.
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 |
Shannon | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 9 | 7 | 6 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |