Last updated: May 3, 2025
In Colonia 28 de Mayo (Santa Rosa), Mexico, awareness of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels not only aids in preventing painful sunburns but also plays a vital role in maintaining long-term skin health. Given the region's Cfb climate, residents and visitors should be particularly mindful of peak UV exposure, especially between 11:00 AM and 2:00 PM, when indices reach a staggering 14. This heightened risk underscores the importance of protective measures during sunny days to ensure enjoyable outdoor experiences without compromising your well-being.
The UV Index throughout the day presents a clear picture of sunlight intensity and its potential risk. Early risers at 07:00 and 08:00 will experience a mild index of 1, indicating minimal UV exposure. However, a notable increase begins at 09:00 with a jump to 3, suggesting that protective measures like sunscreen and hats should be considered. The UV levels peak dramatically from 11:00 to 14:00, reaching an intense 14 at 13:00—a clear alert for anyone planning outdoor activities to take ample precautions. As the afternoon transitions, the UV Index starts to decline, dropping to 5 by 17:00 and returning to a safe 1 by 19:00. It's essential to stay informed and protect your skin during those solar zenith hours!
| 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 | 14 | 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, the UV Index demonstrates significant seasonal fluctuations, with the highest values occurring from February to October, indicating an extreme exposure category and a burn time of just 10 minutes. Specifically, March to August records the peak UV Index of 14, suggesting these are critical months for sun safety. Conversely, January, November, and December offer lower UV levels in the very high exposure category, allowing for a more extended burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during high-risk months—primarily from February to October—by wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours to reduce the risk of harmful UV exposure.
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 |
| Colonia 28 de Mayo (Santa Rosa) | 8 | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 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 |