Last updated: June 2, 2025
In San Ambrosio, Mexico, understanding the UV Index is crucial for protecting your skin and enjoying the sunny climate safely. With daily UV levels reaching as high as 13—peaking around noon—awareness of these numbers can be the difference between a fun day outdoors and painful sunburn. High UV exposure not only increases the risk of immediate skin damage but can also lead to long-term health issues, making it essential to monitor UV levels during your time in this temperate location. With its unique Cfb climate, San Ambrosio offers both sunny skies and notable UV risks; arm yourself with knowledge to ensure your time in the sun remains both enjoyable and safe!
As the sun rises, the UV Index starts off gently, peaking at 1 during the early morning hours of 7:00 and 8:00. However, it quickly escalates, reaching a moderate level of 3 by 9:00. The real intensity kicks in by 10:00, climbing to 5, before skyrocketing to a staggering 12 at noon. The highest point is recorded at 13:00 and 14:00, both showing a powerful 13 on the index, making it crucial to take sun safety precautions. The afternoon sees a gradual decline, dipping to 8 at 16:00, with the sun’s intensity finally mellowing out to 5 by 17:00, and settling down to a safe 1 by 19:00. Stay protected during those peak hours!
| 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 | 12 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 13 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 8 | 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 varies significantly throughout the year, with the most intense levels occurring from February to October. The months of February, March, April, May, June, July, August, September, and October are classified in the extreme exposure category, with a UV Index peak of 13 during these months, resulting in a quick burn time of just 10 minutes. Conversely, January and November present a very high risk with a UV Index of 8 and 9 respectively, where burn times stretch to 15 minutes. By December, the UV risks reduce to high, with a burn time of 25 minutes. Residents and visitors should take special precautions during the high-risk months, including using broad-spectrum sunscreen, wearing protective clothing, and limiting sun exposure, especially from noon to 4 PM when the sun’s rays are strongest. Staying informed and prepared is essential to enjoy the outdoors safely.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| San Ambrosio | 8 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 9 | 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 |