Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors of Alejo Gonzalez (Bilbao), Mexico, as it plays a crucial role in protecting skin health and preventing sunburn. With a predominantly BWh climate, the area experiences varying levels of ultraviolet radiation throughout the day, peaking around noon when the UV Index can reach a high of 13. Familiarizing yourself with these UV levels helps you take proactive measures to shield your skin and enjoy the sunny climate safely. Whether you’re spending the day outdoors or just soaking in the vibrant environment, being aware of the UV Index can make all the difference in safeguarding your health.
The UV index throughout the day reveals a dynamic pattern, starting from a low 0 at 7:00 AM and gradually climbing as the sun rises. By 10:00 AM, it reaches 4, signaling the start of potential sun sensitivity. As noon approaches, the intensity peaks dramatically at 12:00 PM with a UV index of 10, which is considered very high, urging outdoor enthusiasts to take protective measures. The afternoon hours continue to show significant UV levels, with a maximum of 13 at 1:00 PM and 2:00 PM, before slowly tapering off in the later afternoon and evening, dropping back to 1 by 7:00 PM. This data emphasizes the importance of sun safety, especially during the midday hours when UV exposure poses the greatest risk.
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 | 4 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 10 | very high | 15 min |
13:00 | 13 | extreme | 10 min |
14:00 | 13 | extreme | 10 min |
15:00 | 12 | extreme | 10 min |
16:00 | 9 | very high | 15 min |
17:00 | 6 | high | 25 min |
18:00 | 3 | moderate | 30 min |
19:00 | 1 | low | 45 min |
As the seasons change, so does the UV Index, highlighting significant variations in sun exposure risk throughout the year. The high-risk months are prominently from February to October, with peaks in March, April, May, June, July, August, September, and October all classified under the extreme category, where the burn time is notably only 10 minutes. This makes February the first month with a very high category, and November sees a reduction to very high as well, while January and December present a high risk with extended burn times of 25 minutes. Visitors and residents are strongly advised to take precautions during the peak months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize exposure, especially during midday when the sun's strength is at its highest.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Alejo Gonzalez (Bilbao) | 7 | 10 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 8 | 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 |