Last updated: June 2, 2025
In Morrisonville, United States, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps you take proactive steps to prevent sunburn and long-term skin damage, particularly during those peak hours when exposure is highest. With a Dfa climate that features warm summers, Morrisonville residents can experience significant UV exposure, especially during midday when the index can soar to 11. By staying informed about the UV Index, you can enjoy the outdoors while keeping your skin safe from harmful rays.
The UV Index steadily climbs as the day progresses, starting from a mild 1 at 7:00 AM and reaching a peak of 11 by 1:00 PM. Sun-seekers and outdoor enthusiasts should be mindful, as the index hits a high of 10 at 12:00 PM, signaling significant UV exposure. After this peak, the index gradually decreases, dropping to 8 by 3:00 PM, and continuing to decline to 1 by 7:00 PM. For safe sun enjoyment, it’s best to take precautions during those high UV hours, particularly between 11:00 AM and 2:00 PM. Remember to sport your hats and sunscreen!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | 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 can significantly impact skin health. From January to March, the UV Index gradually increases, reaching a high of 7 in March, indicating a growing risk for skin damage. April and May see a sharp rise, with very high values of 9 and 10, encouraging caution as burn times decrease to just 15 minutes. The peak occurs in June and July, where the UV Index reaches an extreme level of 11, suggesting a maximum burn time of only 10 minutes—making these the highest-risk months. As summer wanes into August and September, the levels remain very high but slightly decrease. October brings a safer high UV Index of 6, while the year wraps up with moderate levels in November and December. To protect against UV exposure, both visitors and residents are advised to take precautions during the high-risk months, particularly from April to September, such as wearing protective clothing, utilizing sunscreen, and seeking shade during peak hours.
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 |
| Morrisonville | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 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 |