Last updated: August 1, 2025
In Valle de Morelos, Mexico, understanding the UV Index is crucial for safeguarding your health. With its warm Aw climate, residents and visitors alike face varying levels of ultraviolet radiation that can lead to sunburn and long-term skin damage if not carefully managed. The UV exposure peaks dramatically between 11 AM and 2 PM, reaching alarming levels of 12 to 14, indicating a high risk for harmful effects on your skin. By staying informed about the UV Index, you can take proactive steps to protect your skin and enjoy the beautiful, sunny days Valle de Morelos has to offer.
The UV Index throughout the day showcased a striking pattern, beginning with a negligible level of 0 at 07:00. As the sun rose, the intensity gradually increased, reaching a modest 1 at 08:00 and climbing to 2 by 09:00. The real surge occurred as the day unfolded, peaking at an intense 14 from 13:00 to 14:00, indicating a high risk of harm from unprotected sun exposure. From this zenith, the index started to decline, dropping to 9 by 16:00 and tapering off to 1 by 19:00. This dynamic progression underscores the importance of sun safety during peak hours, particularly between noon and early afternoon.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | 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 | 12 | 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, seasonal changes in UV Index highlight periods of both low and extreme risk for sun exposure. January and November begin the year with a very high UV Index of 9, allowing for a burn time of 15 minutes. However, as spring approaches, February through October see an escalation into the extreme category, with UV Index values peaking at 14 in April, June, July, August, and September, demanding a burn time of just 10 minutes. The high-risk months for sun exposure are clearly from February to October, when individuals should exercise extra caution and employ protective measures such as sunscreen, hats, and sunglasses. Residents and visitors are advised to remain vigilant during these months to minimize skin damage and ensure safety while enjoying outdoor activities.
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 |
Valle de Morelos | 9 | 12 | 13 | 14 | 13 | 14 | 14 | 13 | 14 | 11 | 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 |