Last updated: August 1, 2025
In Pleasant Hill, awareness of the UV Index is crucial for protecting your skin and overall health. With UV levels soaring as high as 11 during the peak afternoon hours, understanding these measurements can significantly aid in sunburn prevention and long-term skin health. This charming city, nestled in a Cfa climate zone, faces unique UV exposure risks throughout the year. Staying informed about the UV Index not only helps residents enjoy the sunny California weather safely but also promotes healthier lifestyle choices under the sun.
Today’s UV Index tells a compelling story of the sun's intensity throughout the day. Starting off gently at 1 at 7:00 AM, it gradually picks up, reaching 2 by 8:00 AM. As the day warms up, it surges to a moderate 4 by 9:00 AM and hits 6 at 10:00 AM. The sun shines fiercest at 12:00 PM, where the UV Index peaks at an impressive 10, nudging even higher to 11 at 1:00 PM. After lunchtime, we see a steady decline: it dips to 10 at 2:00 PM, falls to 8 by 3:00 PM, and continues its descent to 5 at 4:00 PM. As evening approaches, the index drops significantly, ending the day with a cozy 1 by 7:00 PM. Remember to take precautions during the peak hours for skin safety!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index varies significantly, with high-risk months occurring primarily from April to August, where the index reaches extreme levels of 10-11. During these months, the recommended burn time drastically decreases, dropping to as low as 10 minutes of unprotected sun exposure. Visitors and residents are advised to take extra precautions during these high UV Index periods by wearing protective clothing, applying sunscreen with a high SPF, and seeking shade during peak hours (10 AM to 4 PM). As the UV Index returns to moderate levels in January, November, and December, the risk of skin damage decreases, but sun safety remains essential year-round.
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 |
| Pleasant Hill | 3 | 6 | 7 | 10 | 11 | 11 | 11 | 10 | 9 | 7 | 5 | 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 |