Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Estacion San Dieguito, Mexico, where sunny climates can lead to significant UV exposure. Being aware of UV levels helps prevent sunburn and supports healthy skin practices throughout the day. With a climate classified as Cwa, this region experiences high UV intensity, particularly between 10 a.m. and 3 p.m. when the UV Index peaks at an alarming 12. By monitoring these levels, you can enjoy the beautiful outdoors while protecting yourself from harmful effects.
The UV Index throughout the day showcases a steep rise in sun intensity, peaking at 12 between 1:00 PM and 2:00 PM, indicating a very high risk of harm from unprotected sun exposure. Early in the morning at 7:00 AM, the index starts at a manageable 1, gradually building to 5 at 10:00 AM. As the clock strikes 11:00 AM, it surges to 8, and by noon, it hits 11, urging outdoor enthusiasts to seek shade or apply sunscreen diligently. In the afternoon, the index remains elevated, reaching 10 at 3:00 PM before tapering off to 4 by 5:00 PM and finally settling back to 1 as the sun sets at 7:00 PM. This data emphasizes the necessity for sun protection during the midday hours when the UV exposure is at its peak.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure significantly fluctuates, with high-risk months primarily from February to October, where the UV Index reaches extreme levels. Notably, March, April, June, July, August, and September all maintain a UV Index of 12 or higher, indicating extreme conditions where burn time is a mere 10 minutes. February and November are also critical, categorized as very high, allowing for 15 minutes of safe exposure. In contrast, January and December have lower risks, with a high UV Index of 7 and a safer burn time of 25 minutes. Residents and visitors are strongly advised to take precautions during peak months by wearing protective clothing, using sunscreen, and limiting sun exposure during midday hours to mitigate skin damage and health risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estacion San Dieguito | 7 | 9 | 12 | 13 | 12 | 13 | 13 | 13 | 12 | 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 |