Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Lamoni, United States, as it helps to protect against the harmful effects of ultraviolet radiation. With sky-high levels peaking at 10 around midday, being aware of UV levels is essential for sunburn prevention and maintaining skin health. Lamoni experiences a Dfa climate, characterized by hot summers and extended sunshine, increasing exposure risks. Stay informed about UV Index levels to enjoy the outdoors safely while safeguarding your skin!
At dawn, 7:00 AM, the UV Index is a mild 1, offering a gentle start to the day. As the sun climbs higher, it steadily rises, reaching 2 by 8:00 AM and hitting 3 at 9:00 AM. However, between 10:00 AM and 1:00 PM, the intensity increases sharply, peaking at an impressive 10 from 12:00 PM to 1:00 PM—the highest level of risk. The UV Index then begins its descent, dropping to 8 at 3:00 PM, followed by a gradual decline to 4 by 5:00 PM. As evening approaches, the index wanes further, settling back down to 1 by 7:00 PM. To enjoy the sunshine while staying safe, make sure to take precautions, especially during those peak hours!
| 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 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 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 |
During the year, UV levels fluctuate significantly, indicating varying risk associated with sun exposure. January and February exhibit a moderate UV Index of 3 and 5, allowing for about 30 minutes of unprotected sun exposure. As spring approaches, March sees an increase to a high UV Index of 6, with a recommended burn time of 25 minutes. The high-risk months peak in April and May, both featuring a very high UV Index of 9, reducing safe exposure to just 15 minutes. The UV Index reaches its maximum in June and July, categorized as extreme (11), where a mere 10 minutes of sun can result in burns. In August and September, UV levels remain very high at 9, with the same short burn time of 15 minutes. Finally, UV exposure drops back to high in October (6) and returns to moderate levels by November and December (4 and 3, respectively), allowing 30 minutes of safer sun exposure. Visitors and residents are advised to take precautions from March to September, particularly during April through July, by applying sunscreen, wearing protective clothing, and seeking shade to mitigate the risk of 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 |
| Lamoni | 3 | 5 | 6 | 9 | 9 | 11 | 11 | 9 | 9 | 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 |