Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Ascencion, Mexico, where the sun can shine brightly for much of the year. With the region classified as a BSk climate, the ultraviolet radiation levels can reach dangerous heights, particularly between 11:00 AM and 1:00 PM, when the UV Index peaks at 12 to 13. Being aware of these levels helps protect against sunburn and long-term skin health risks, ensuring outdoor activities remain enjoyable and safe. By familiarizing yourself with UV exposure risks in Ascencion, you can take proactive measures to safeguard your skin while basking in the beautiful sunshine.
Throughout the day, the UV Index experiences a dynamic shift, peaking at an impressive 13 between 1 PM and 2 PM, indicating a high risk of harm from unprotected sun exposure. The morning starts gently, with a UV Index of 1 at 7 AM, gradually rising to 4 by 9 AM. As the sun inches higher, the intensity increases sharply, reaching 10 by 11 AM and soaring to 12 by noon. Post-peak, the index begins to decline, dropping to 10 at 3 PM, before settling back to a mild 2 by 6 PM. This clear progression emphasizes the importance of sun protection during the midday hours when the UV Index is at its highest. Enjoy the sunshine, but remember to stay safe! ☀️
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 | 7 | high | 25 min |
11:00 | 10 | 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, UV Index levels display significant seasonal changes, with the highest risks occurring from February to September. The months of April to September feature an extreme exposure category, peaking at UV Index 13 in May and June, where the burn time drops to just 10 minutes. Visitors and residents should be particularly cautious during these months and consider protective measures such as wearing sunscreen, hats, and protective clothing when outdoors. January, December, and November present moderate to high exposure levels, allowing for longer burn times of 25 to 30 minutes, yet sun protection remains advisable. As the UV Index varies dramatically throughout the year, staying informed and prepared is essential for safe outdoor activities.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Ascencion | 5 | 8 | 10 | 12 | 13 | 13 | 12 | 12 | 11 | 9 | 7 | 5 |
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 |