Last updated: July 2, 2025
Understanding the UV Index in San Francisco Coatlan, Mexico, is essential for maintaining skin health and preventing sunburn. As the UV levels can reach a peak index of 15 around midday, being aware of these measurements is crucial for residents and visitors alike. The region's Cwb climate brings a unique blend of high altitude and sun exposure, increasing the risk of harmful UV rays throughout the year. By staying informed about the UV Index, you can take proactive steps to protect your skin while enjoying the beautiful outdoors of San Francisco Coatlan.
The UV Index paints a vivid picture of sun intensity throughout the day. Early risers will enjoy low levels of UV exposure at 1 from 7:00 to 8:00 AM, making it a great time for morning walks. As the sun climbs higher, the index escalates, peaking at a whopping 15 at 1:00 PM—the moment when sun safety becomes crucial. Just before and after this peak, values hover around 14 to 12, reminding us that midday is not the time to skimp on sunscreen. As the day winds down, the UV Index dips significantly, returning to 1 by 7:00 PM. For the most enjoyable and safe outdoor activities, aim for early or late hours while being mindful around midday!
| 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 | 5 | moderate | 30 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 15 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 12 | 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 UV Index displays a consistent pattern of extreme levels from January to July, with values peaking at 15 in March through June. This indicates a significant risk for skin damage, with a minimal exposure burn time of just 10 minutes throughout these months. The intensity slightly decreases in August and September to 14, followed by a drop to 13 in October and 11 in November. December shows a further decline to a very high level of 9, allowing for a lengthened burn time of 15 minutes. Visitors and residents are strongly advised to take precautionary measures, particularly during the high-risk months from January to October, by applying broad-spectrum sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to maintain skin health and safety.
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 |
| San Francisco Coatlan | 11 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 9 |