Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of La Ascension, Mexico, where sunny days are abundant thanks to its BSh climate. With UV levels reaching a peak of 13 during midday, awareness can significantly reduce your risk of sunburn and long-term skin damage. By monitoring these levels, you can make informed choices about outdoor activities, protecting your skin while enjoying the warm, vibrant atmosphere of La Ascension. Remember, when the sun is at its strongest, being proactive about your sun safety is crucial!
The UV Index provides a clear picture of sun intensity throughout the day. In the early morning hours, from 07:00 to 09:00, the UV Index remains low, peaking at 1. As the clock strikes 10:00, the intensity begins to rise, hitting 5, and then surging to 9 by 11:00. The sun reaches its zenith at 12:00, with a striking 12 on the UV scale. The afternoon continues to see peak levels with 13 at both 13:00 and 14:00, urging caution for outdoor activities. A gradual decline follows, with values dropping to 9 at 16:00, and winding down to 6, 3, and finally back to 1 by 19:00. This data emphasizes the importance of sun protection, particularly during the midday hours when UV radiation is at its strongest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 9 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes exhibit a significant variation, peaking during the late spring and summer months. The high-risk months for UV exposure are March to October, where the UV Index often reaches extreme levels (12-14), indicating a very short burn time of just 10 minutes. Notably, April through August are the peak months, consistently maintaining a UV Index of 14. Residents and visitors are strongly advised to take precautionary measures during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever possible to minimize the risk of skin damage. With lower UV levels in November and December, safety measures should still be observed, especially during February and March, making it crucial for everyone to stay informed and protected year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
La Ascension | 8 | 10 | 12 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 7 |
Guadalajara UVI | 9 | 11 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 9 | 8 |
Iztapalapa UVI | 10 | 12 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 10 | 8 |
Ecatepec de Morelos UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
Mexico City UVI | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |