Last updated: July 2, 2025
Understanding the UV Index in La Union, United States is essential for safeguarding your skin health and preventing sunburn. With a typical climate characterized by the BWk zone, residents and visitors alike face varying levels of UV exposure throughout the day, peaking at a critical 12 between noon and 1 PM. By grasping the significance of UV levels, you’re better equipped to enjoy the outdoors safely, minimizing the risks associated with excessive sunlight. Stay informed and make sun protection a priority to enjoy the beautiful La Union sun without compromising your wellbeing!
The UV Index for today presents a dynamic picture of sun intensity throughout the hours. Starting off gently, it peaks at 1 at 07:00, gradually climbing to a moderate 2 by 08:00. The sun makes its presence felt, reaching 4 at 09:00 and 6 by 10:00. *As noon approaches, the UV Index escalates to a striking 12, hitting its zenith at *1 PM with a scorching 13. As the day progresses, there's a slight decline, dropping to 12 at 2 PM, followed by a decrease to 10 by 3 PM. The intensity subsides further to 7 at 4 PM, gently tapering off to 4 at 5 PM, before descending back to 2 at 6 PM, and finally slipping to 1 as the sun sets at 7 PM. It's a day to embrace the sun while practicing sun safety 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 | 12 | 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 exhibits significant seasonal variations, with the highest values typically occurring from March to September. This period is particularly critical for sun exposure, as March begins with a UV Index of 10, escalating to a peak of 13 in May, June, and July, and only slightly decreasing to 11 in September. The months of April to August are classified as having an extreme exposure category, with a rapid burn time of just 10 minutes, indicating a high risk of skin damage. Conversely, in the winter months of January and December, the UV Index lowers to 5, categorized as moderate, allowing for longer burn times of 30 minutes. Visitors and residents should exercise increased caution, particularly in the high-risk months of March to September, ensuring to wear sunscreen, seek shade, and limit direct sun exposure, especially during midday hours.
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 Union | 5 | 7 | 10 | 12 | 13 | 13 | 13 | 12 | 11 | 9 | 6 | 5 |