Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Cedar Hill, United States, where the semi-arid BSk climate can lead to significant sun exposure. High UV levels, particularly between 10 AM and 2 PM, can pose serious risks for skin health, including painful sunburns and long-term damage. As you plan your outdoor activities, being aware of the UV Index not only helps prevent immediate discomfort but also safeguards your skin against more severe conditions. With peak UV levels reaching 12, it's essential to take precautions during those sunny days to enjoy Cedar Hill's beautiful weather safely!
The UV Index today showcases a striking climb in intensity as the sun rises, starting from a modest 1 at 7:00 AM. As the morning unfolds, the index steadily elevates, reaching 4 by 9:00 AM before peaking at a blistering 12 at 1:00 PM—the most dangerous time for exposure. The afternoon shows a slight decline, with values tapering from 11 at 2:00 PM back down to 1 by 7:00 PM. This fluctuation highlights the importance of being sun-smart, especially during the peak hours when the risk of harmful UV radiation is at its highest. Remember to protect your skin and seek shade if you'll be outdoors!
| 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | 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 |
Throughout the year, the UV Index experiences significant seasonal variations, reaching its peak during the summer months. January begins with a moderate UV Index of 5, gradually increasing to a high of 7 in February. The most critical months for UV exposure are from March to August, where the index climbs to an extreme level of 12 to 13, particularly in June and July, with a minimal burn time of just 10 minutes. Following this peak, the index drops to 10 in September and further to 8 in October, both categorized as very high. As the year closes, November offers a high index of 6 and December returns to a moderate level of 4. Given these fluctuations, it is crucial for visitors and residents to remain vigilant, especially during the high-risk months of March through August. Protective measures such as wearing sunscreen, hats, and protective clothing, along with seeking shade, are essential during these periods to minimize the risk of UV-related harm.
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 |
| Cedar Hill | 5 | 7 | 9 | 11 | 12 | 13 | 13 | 12 | 10 | 8 | 6 | 4 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |