Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Guadalupe Morelos, Mexico, where the sun shines brightly throughout the year. With a climate categorized as Cwb, the region experiences significant UV exposure, especially between 10 AM and 2 PM when levels can soar to 15 on the scale. Being aware of these UV levels is essential not only for sunburn prevention but also for long-term skin health. By tracking the UV Index, you can make informed decisions about outdoor activities, ensuring your time in the sun is enjoyable and safe. Protect yourself by learning when it’s safe to bask and when to seek shade!
The UV Index data paints a vibrant picture of sunlight intensity throughout the day. Beginning with a mild UVI of 1 at 7:00 AM, the day starts gently, gradually climbing to 3 by 9:00 AM. However, as the sun reaches its zenith, the UVI skyrockets, peaking at an intense 15 between 1:00 PM and 2:00 PM. During these hours, it's crucial to take protective measures against harmful UV rays. As the sun begins to set, the index dips, dropping to 5 by 5:00 PM and returning to a safer 1 by 7:00 PM. This fluctuation highlights the importance of staying sun-smart during peak hours, especially between 11:00 AM and 2:00 PM when the UVI is at its highest.
| 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 | 15 | extreme | 10 min |
| 14:00 | 15 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The seasonal UV changes indicate that residents and visitors should be especially cautious from February through October, where the UV Index consistently reaches extreme levels of 13 to 15, implying a burn time as short as 10 minutes. The high-risk months for UV exposure include March through September, where the UV Index remains at 15 for the longest stretch. As such, individuals are strongly advised to protect their skin during these months by wearing appropriate clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. In contrast, January and December present slightly lower risks with a UV Index of 10 and 9, providing a bit more leeway, though protection is still essential. Seasonal awareness of UV levels ensures healthier and safer outdoor experiences for everyone.
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 |
| 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 |
| Guadalupe Morelos | 10 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 15 | 13 | 11 | 9 |