Last updated: July 2, 2025
Understanding the UV Index is essential for everyone in Guerrero Negro, Mexico, where the climate tends to be arid and sunny, leading to higher exposure to harmful ultraviolet rays. With UV levels peaking between 11:00 AM and 1:00 PM, reaching as high as 12, awareness of these levels is crucial for preventing sunburn and safeguarding skin health. By keeping a keen eye on the UV Index, residents and visitors alike can take necessary precautions to enjoy the outdoors while minimizing the risk of skin damage and long-term health issues. Whether you're soaking up the sun at the beach or exploring the stunning landscapes, knowing the UV Index can help ensure your time in Guerrero Negro is both enjoyable and safe.
The UV Index throughout the day showcases a stark increase as the sun rises, starting from a mild 1 at 07:00 and peaking at a striking 12 between 12:00 and 13:00. This significant surge highlights the importance of sun protection, especially during the hours when the index reaches maximal levels of 10 at 11:00 and 11 at 14:00. As the afternoon wanes, the UV Index begins to decline, dropping to 8 by 15:00 and finishing the day with a gentle return to 1 by 19:00. This data serves as a crucial reminder to prioritize sun safety during midday hours when UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 12 | extreme | 10 min |
13:00 | 12 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, seasonal UV changes highlight distinct variations in UV exposure. The highest risk months, characterized by an extreme UV Index of 12, are from May to September, where individuals can burn in just 10 minutes of unprotected sun exposure. The very high UV Index in February, March, April, and October further underscores significant risk, with burn times ranging from 15 to 25 minutes depending on the month. To protect against harmful UV rays, it is advisable for visitors and residents alike to seek shade during peak hours, wear protective clothing, and apply broad-spectrum sunscreen regularly, especially during these high-risk months. Regular skin checks and awareness of UV levels can also enhance sun safety throughout the year.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Guerrero Negro | 6 | 8 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 9 | 6 | 5 |
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 |