Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents of La Hacienda, United States, where the BSk climate can lead to fluctuating UV exposure. Understanding UV levels is essential for preventing sunburn and maintaining long-term skin health. With peak UV readings reaching 13 between noon and 1 PM, it's vital to protect your skin during these hours. Given the typical sunny days in La Hacienda, being informed about UV risks helps ensure you enjoy the outdoors safely while safeguarding against harmful effects of solar radiation.
The UV Index shows a dramatic rise in intensity throughout the morning, starting from a mild 1 at 07:00. By 09:00, the index reaches 4, indicating a moderate level of sun exposure risk. The peak UV radiation occurs at 13:00, soaring to a concerning 13, suggesting that sun protection is essential during this hour. As the afternoon progresses, the index gradually declines, dipping to 10 by 15:00 and falling to 1 by 19:00. For outdoor enthusiasts, it’s crucial to seek shade and apply sunscreen during peak hours between 11:00 and 14:00 to ensure safety under the sun.
| 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 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 7 | 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 shows significant seasonal changes, peaking during the summer months. From January to February, the UV levels rise from moderate (5) to high (7), with burn times decreasing from 30 minutes to 25 minutes. The following months, March through September, present the highest risks, with the UV Index reaching its maximum in June and July at 13, falling within the extreme category where burn times drop to just 10 minutes. After this peak, the index gradually decreases to 8 in October (very high) and continues to decline to 6 in November and 5 in December (both moderate). Visitors and residents are therefore advised to take extra precautions during the high-risk months of March through September, utilizing sunscreen, protective clothing, and seeking shade to mitigate UV exposure.
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 |
| La Hacienda | 5 | 7 | 10 | 12 | 12 | 13 | 13 | 12 | 11 | 8 | 6 | 5 |