Last updated: May 3, 2025
In Morris, United States, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is essential not only for preventing painful sunburns but also for minimizing long-term skin damage and reducing the risk of skin cancer. With Morris's Dfb climate, residents face significant UV exposure, especially during peak hours, where the index can soar to a high of 9 around midday. Stay informed and take proactive measures to protect yourself and your loved ones from harmful UV radiation.
The UV Index on this particular day begins its ascent at 07:00 with a moderate level of 1, gradually rising to 2 by 08:00. As the sun reaches its peak, the index climbs steadily, hitting 3 at 09:00 and soaring to a striking 5 by 10:00. The day’s intensity peaks at 12:00, with the UV Index at a sizzling 8. Just an hour later, it reaches its maximum of 9 at 13:00, signaling a time when sun protection is crucial. Thankfully, the intensity starts to wane after this peak, coming down to 8 at 14:00, and then gradually decreasing to 4 by 17:00. As evening approaches, the UV Index dips back to 2 at 18:00 and finally settles at 1 by 19:00, marking the end of a day filled with varying levels of UV exposure. Be sure to take precautions during those midday hours to shield yourself from the sun’s rays!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal variations that affect sun exposure risks. The highest risk months are May through August, where the UV Index reaches levels between 9 and 10, indicating a very high risk of harm from unprotected sun exposure, with a burn time of only 15 minutes. In contrast, the months of January, October, and November display a moderate risk with UV Index values of 3 to 5, allowing for safer sun exposure with burn times of 30 minutes. Residents and visitors should take necessary precautions during high-risk months by wearing sunscreen, protective clothing, and seeking shade to minimize sun damage. In lower-risk months, while caution is still advised, the urgency is reduced, allowing for more extended outdoor activities without immediate threat.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Morris | 3 | 5 | 6 | 7 | 9 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
| 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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |