Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Africa and Mexico, where the sun’s rays can be particularly intense. With peaks reaching a staggering UV Index of 13 during the midday hours, awareness of UV levels is essential for preventing sunburn and promoting long-term skin health. The Cfa climate prevalent in much of Africa leads to extended periods of sun exposure, making it vital to understand and monitor these levels to safeguard your skin from harmful effects. Whether you're enjoying outdoor activities or simply soaking up the sun, knowing the UV Index helps you take proactive steps in protecting yourself and enhancing your overall well-being.
At 07:00 and 08:00, the UV Index remains low, peaking at 1, making it a safe time for outdoor activities. However, as the day progresses, the sun’s intensity ramps up sharply. By 10:00, the index reaches 5, climbing to a striking 11 by noon. The day hits its peak at 13:00 and 14:00, with a UV Index of 13, warranting caution and sun protection. As the afternoon unfolds, you’ll find a gradual decline: readings drop to 11 at 15:00, then 8 at 16:00, further easing to 2 by 18:00, and finally settling back to 1 by 19:00. Remember, to enjoy the sun safely, consider protective measures during the high UV hours!
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 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 11 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 5 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months being March through October. During this period, the UV Index peaks at 13, categorized as extreme, particularly from May to July, where the burn time is as short as 10 minutes. The risk remains high in August and September with an index of 12, followed by October at 11. Visitors and residents should prioritize sun safety, especially in these high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen frequently. Conversely, the UV Index drops in the winter months, with December and January showing lower levels, although January and February still have very high ratings. Proper sun precautions are essential year-round to protect against skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Africa | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 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 |