Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Lake Nacimiento. With its Csb climate characterized by mild summers and cool winters, it's easy to underestimate the sun's intensity. The UV Index here can peak at an alarming 11, especially during midday hours, underscoring the importance of being aware of your sun exposure. Knowledge of UV levels can help you take proactive measures to prevent sunburn and protect your overall skin health. By staying informed about UV risks, you can enjoy all the outdoor activities that beautiful Lake Nacimiento has to offer—safely!
The UV Index today paints a vivid picture of solar intensity, peaking dramatically between 12:00 PM and 2:00 PM with a striking 11—a warning to seek shade and protect skin. Starting the day at a gentle 1 at 7:00 AM, the index gradually climbs, reaching 4 by 9:00 AM and escalating to 9 by 11:00 AM. As the sun reaches its zenith, the index hits 11, indicating extreme conditions that persist for a solid three hours. Following this midday blast, it gracefully declines to 6 by 4:00 PM, before tapering off to a safer 1 by the evening. Remember to stay sun-smart during those peak hours!
| 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 | 11 | 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 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 |
| Lake Nacimiento | 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 |