Last updated: May 3, 2025
In San Joaquin, United States, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps prevent painful sunburns and long-term skin issues, empowering residents to enjoy the sun safely. With a BSk climate, San Joaquin experiences significant UV exposure, particularly during peak hours when the index soars to 11. By monitoring these levels, you can take proactive measures to safeguard yourself and your loved ones from harmful effects of the sun while enjoying all the outdoor activities this vibrant region has to offer.
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 | 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 | 5 | moderate | 30 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 experiences significant fluctuations, with high-risk months primarily from March to September. The months of May to August exhibit dangerous levels of UV exposure, peaking at an extreme index of 12 in June, where the burn time is a mere 10 minutes. Visitors and residents should exercise caution during these months, particularly during midday hours when UV radiation is most intense. Recommendations include wearing protective clothing, applying sunscreen with a high SPF, and seeking shade whenever possible. In contrast, January, February, and December present a lower risk, characterized by a moderate UV index, allowing for safer outdoor activities with a burn time of around 30 minutes. However, vigilance is still advisable year-round to protect against 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 |
| San Joaquin | 4 | 5 | 8 | 9 | 11 | 12 | 11 | 11 | 9 | 7 | 5 | 3 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |