Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Ranchos Penitas West, where the warm BSh climate brings ample sunshine year-round. With UV levels peaking dramatically around midday, reaching as high as 12, awareness of these levels is essential for sunburn prevention and maintaining skin health. As exposure to ultraviolet rays can lead to serious skin damage over time, keeping an eye on the UV Index helps you protect yourself and enjoy the sun safely. Whether you’re lounging outdoors or enjoying recreational activities, knowing when to seek shade or apply sunscreen can make all the difference in your sun safety routine.
The UV Index today presents an intriguing landscape of sun intensity, beginning with a gentle rise from a maximum of 1 at 07:00, reaching a leisurely 2 by 09:00. However, as the day progresses, the sun's brilliance intensifies dramatically, peaking at 12 between 13:00 and 14:00. During this prime time, it's crucial to stay protected, as the UV levels suggest a significant need for sunblock and shade. Post-14:00, the UV Index starts to decline, settling at 5 by 17:00 and gradually tapering off to a soft 1 by 19:00. Enjoy the sun, but stay safe and protect yourself during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 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 |
Throughout the year, UV Index levels fluctuate significantly, with the highest readings occurring in the summer months. From May to August, the UV Index reaches an extreme level of 12, posing the greatest risk for sunburn, with a minimal safe exposure time of just 10 minutes. April and September also see high values, with an index of 11. Visitors and residents are advised to take extra precautions during these high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours. Conversely, in the winter months, from December to February, UV levels are lower, ranging from moderate to very high, but individuals should remain vigilant, especially in February and March when the index peaks at 8 and 10. Overall, awareness and protection against UV radiation are essential year-round, particularly during the hotter months.
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 |
| Ranchos Penitas West | 6 | 8 | 10 | 11 | 11 | 12 | 12 | 12 | 11 | 9 | 7 | 5 |