Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Joltealal, Mexico, where the Cwb climate brings unique sun exposure challenges. With UV levels peaking at a dangerous 14 around noon, awareness is essential for preventing sunburn and protecting skin health from harmful radiation. High UV days can lead to immediate discomfort and long-term skin issues, making it important to track daily fluctuations in UV levels. By staying informed, you can enjoy the beautiful sunny days of Joltealal while safeguarding your well-being against the sun’s potent rays.
At dawn, the UV Index starts off low, with a maximum of 1 at both 07:00 and 08:00. As the sun climbs higher, the intensity begins to rise sharply, reaching 3 by 09:00 and jumping to 6 by 10:00. The real heat hits at 11:00, peaking at a scorching 10, before hitting an astonishing 13 at 12:00 and peaking at 14 by 13:00. The afternoon witnesses a slight decline, settling back to 13 at 14:00 and dropping to 11 by 15:00. As the day winds down, the UV Index continues to lessen, falling to 7 at 16:00, and further slipping to 4 by 17:00. By 18:00, it's down to 2, and as night falls, it returns to a safe 1 by 19:00. Be sure to stay sun safe during peak hours when the UV Index soars!
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 | 6 | high | 25 min |
11:00 | 10 | very high | 15 min |
12:00 | 13 | extreme | 10 min |
13:00 | 14 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 11 | extreme | 10 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, the UV Index demonstrates significant seasonal variation, with peak levels occurring from February to October. The highest risk months are March through October, where the UV Index consistently reaches 14, classified as extreme with a minimal burn time of just 10 minutes. Visitors and residents should take precautionary measures during these months, such as wearing protective clothing, applying sunscreen with high SPF, and seeking shade to minimize sun exposure. In contrast, January, November, and December experience lower UV levels, classified as very high, with burn times extending to 15 minutes. However, it's still important to remain vigilant about sun safety year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
Joltealal | 10 | 12 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 10 | 9 |
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 |