Last updated: June 2, 2025
In Los Herrera, Mexico, understanding the UV Index is crucial for protecting your skin health and preventing sunburn. With high UV exposure levels peaking at a staggering 14 between 1 PM and 2 PM, residents and visitors alike must remain vigilant to safeguard themselves against harmful effects. The climate, characterized by its mild summers and relatively high sun intensity, can pose serious risks, especially during peak hours. By staying informed about UV levels, you can enjoy the sunny outdoors while minimizing the risk of skin damage.
The UV Index today reveals an intense ramp-up in sun exposure as the hours unfold. Starting from a low of 0 at 7:00 AM, the index gradually climbs to 1 by 8:00 AM. By 10:00 AM, it reaches a moderate 4, but the real intensity kicks in at 11:00 AM with a high of 7. The peak exposure occurs at 1:00 PM, soaring to a striking 13, and then hitting its maximum of 14 at 2:00 PM. As the afternoon wanes, the levels begin to decline—10 at 4:00 PM, 7 at 5:00 PM, and returning to 4 by 6:00 PM. As daylight fades, the UV Index drops to 2 by 7:00 PM, reminding us of the sun's powerful rays, particularly during midday. Stay protected and enjoy the sunny hours responsibly!
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 14 | extreme | 10 min |
| 15:00 | 13 | extreme | 10 min |
| 16:00 | 10 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits notable seasonal changes, peaking in spring and summer months. From January to February, the index rises sharply from 8 to 11, moving into the extreme exposure category, with a dangerously short burn time of just 10 minutes by March. The highest readings occur from April to June, reaching a peak of 15 in April, signaling some of the year's highest risk for UV exposure. July and August maintain a consistently high index of 14, followed by September and October with only slightly lower levels at 13 and 12, respectively. The trend shows a marked decline in November and December, where the UV Index drops to 9 and 7, categorizing them as very high and high, with burn times extending to 15 and 25 minutes. Visitors and residents should exercise caution from February through October, particularly during peak sun hours, applying sunscreen frequently, wearing protective clothing, and seeking shade to minimize sun exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Los Herrera | 8 | 11 | 12 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 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 |