Last updated: May 3, 2025
Understanding the UV Index in Primero de Mayo, Mexico is crucial for protecting your skin from harmful ultraviolet radiation. Daily exposure to high UV levels can lead to sunburn and long-term skin health issues, making it essential to monitor these levels. With an Aw climate that typically brings intense sunlight, particularly between 10 AM and 2 PM when the UV Index peaks at a severe 12, residents and visitors must be vigilant. By being aware of UV Index readings, you can make informed decisions to enjoy the sun safely and minimize skin damage.
As the sun rises, the UV Index starts off low at a manageable 1 from 07:00 to 08:00. However, things heat up quickly as we move into the late morning; by 10:00, it spikes to 5, reaching 8 at 11:00. The peak intensity occurs at 12:00, with an impressive index of 11, closely followed by 12 at 13:00 and 14:00—the sun is at its strongest! A gradual decrease follows, dropping to 10 by 15:00 and continuing down to 4 at 17:00. As the day winds down, the index relaxes further to 2 at 18:00 and returns to a safe 1 by 19:00. It's clear that today's UV risk peaks around midday, so remember to stay protected during those exposed hours!
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 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 12 | 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, seasonal UV changes reveal a significant increase in UV Index levels, peaking during the summer months. The high-risk months for UV exposure are March to October, particularly alarming from April to September when the UV Index remains consistently in the extreme category (11-13) and the burn time drops to just 10 minutes. Visitors and residents should exercise caution, especially during these months, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to safeguard against harmful UV radiation. In the shoulder months of November and December, while the UV Index decreases, it's still important to remain vigilant, as conditions can be unexpectedly intense.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Primero de Mayo | 7 | 10 | 11 | 12 | 12 | 12 | 13 | 12 | 12 | 11 | 8 | 6 |
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 |