Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in San Bartolome Coro, Mexico, where the Cwb climate brings unique challenges to sun exposure. With a typically high UV Index peaking at 14 during midday, awareness of these levels can help prevent sunburn and safeguard skin health. Knowing when the sun is at its strongest empowers you to take proactive measures against harmful UV rays, ensuring enjoyable outdoor experiences without the risk of damage. Make informed choices for your skin’s wellbeing as you navigate the sun-soaked days in this vibrant locale!
The UV Index for the day showcases a significant escalation in sun intensity, peaking at 14 between 1 PM and 2 PM. Starting from a safe 0 at 7 AM, it gradually rises to a moderate 1 by 8 AM and hits 2 at 9 AM. As the sun climbs higher, the index jumps to 5 by 10 AM and surges to a robust 12 by noon. The intensity remains strong, holding steady at 14 from 1 PM to 2 PM, before tapering off to 12 at 3 PM and declining further to 6 by 5 PM. As the day winds down, the UV Index drops back to 1 by 7 PM, reminding us to seek shade and protect our skin when the sun's rays are at their strongest.
| 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 | 12 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 14 | 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 |
Throughout the year, seasonal changes in UV Index indicate that visitors and residents should be particularly cautious during the high-risk months of February through October. During this period, the UV Index ranges from 11 to 15, corresponding to an extreme exposure category where the recommended burn time is just 10 minutes. The peak UV Index occurs in April at 15, while it remains consistently high from February to September. Conversely, the UV Index decreases significantly from November to January, falling into a very high category with a burn time of 15 minutes in November and December. It is crucial for individuals to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, particularly in the spring and summer months when the risk of sunburn is highest.
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 |
| San Bartolome Coro | 9 | 11 | 14 | 15 | 14 | 14 | 14 | 13 | 14 | 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 |