Last updated: June 2, 2025
In Fredericksburg, United States, understanding the UV Index is crucial for protecting your skin and overall health from harmful UV radiation. With a climate classified as Cfa, the region experiences varied UV exposure, peaking at an index of 12 during midday hours, which signifies a high risk of harm from unprotected sun exposure. Awareness of UV levels can help residents and visitors alike prevent sunburn and long-term skin damage, ensuring that outdoor activities can be enjoyed safely. Stay informed, stay protected, and embrace the sunny days in Fredericksburg by taking the necessary precautions!
As the sun rises, the UV Index starts low at 1 at 07:00 and remains moderate until 09:00. However, by 10:00, the intensity escalates to a notable 5, marking the beginning of peak UV exposure. The highest readings occur between 12:00 and 14:00, where it reaches a staggering 12—an indication that protective measures are essential to avoid sunburn. As the day transitions towards evening, the index gradually declines, dropping to 8 at 16:00 and falling further to 1 by 19:00. This hourly UVI assessment clearly highlights the importance of sun safety during midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | 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 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV Index levels, which can significantly impact sun safety for visitors and residents. January and December see moderate exposure with a UV Index of 5, allowing for a burn time of 30 minutes. However, starting in February, the UV Index escalates to 8, categorized as very high, with a burn time of just 15 minutes. The most critical months for UV exposure are during the summer, from April to August, where the index peaks at 12, denoting an extreme exposure category, and a quick burn time of only 10 minutes. Even September remains a high-risk month with an index of 11. It is crucial for everyone to take precautions during these high-risk months, including seeking shade, wearing protective clothing, and applying sunscreen regularly to minimize 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 |
| 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 |
| Fredericksburg | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 9 | 6 | 5 |