Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents and visitors of Hercules, Mexico, where the warm BSh climate brings with it increased sun exposure. With UV levels peaking at a dangerous 13 in the early afternoon, it's essential to be aware of these fluctuations to prevent sunburn and protect your skin health. The high UV intensity in Hercules highlights the need for effective sun safety measures, making knowledge of the UV Index vital for enjoying the beautiful, sunny days while keeping your skin safe from harmful rays.
This hour-by-hour UV Index data reveals a striking pattern throughout the day. Starting off gently at 1 at 07:00 and 08:00, the intensity begins to rise gradually, reaching 2 by 09:00. The sun's rays become increasingly potent as the clock ticks, hitting 4 at 10:00 before skyrocketing to 7 at 11:00. The peak occurs in the early afternoon, with a scorching 10 at 12:00 and reaching an intense 13 at 14:00. Following this zenith, the UV Index begins to taper off, descending to 12 by 15:00, then dropping to 9 at 16:00. As the day cools, the UVI continues to decline, finding itself at 3 by 18:00 and returning to a more manageable 1 at 19:00. In summary, the UV exposure is highest between 11:00 and 14:00, making those hours critical for sun safety.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 10 | very high | 15 min |
13:00 | 12 | 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, UV exposure significantly fluctuates, with February through September identified as high-risk months due to extreme UV Index levels reaching as high as 13. During this period, the recommended burn time is notably reduced to just 10 minutes, necessitating vigilant sun protection. March, April, May, June, July, August, and September stand out as particularly dangerous times, while January, November, and December reflect a return to high exposure levels with longer burn times of 25 minutes. Visitors and residents are strongly advised to take precautionary measures, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours, especially from late winter through early fall when the sun's intensity is greatest.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hercules | 6 | 9 | 11 | 13 | 13 | 13 | 13 | 13 | 12 | 10 | 7 | 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 |