Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Colonia Nicolas Bravo (Kilometro Noventa y Dos), Mexico, where the sun can be intense, particularly during the peak hours of 10 AM to 2 PM when levels can soar to 13. By being aware of UV levels, you can effectively prevent sunburn and protect your skin from long-term damage. With its BSh climate, this region experiences significant sunlight exposure, making it vital to monitor the UV Index regularly to ensure your skin’s health and safety while enjoying outdoor activities. Whether you're gardening, exercising, or simply soaking up the sun, knowing the UV Index empowers you to take proactive steps for sun safety.
From the break of dawn, the UV Index begins its ascent, starting at a gentle 1 at 07:00. As the sun rises higher, the intensity grows, reaching a moderate 4 by 09:00. By 10:00, it skyrockets to 7, signaling the start of peak sunlight hours. The zenith is reached at 12:00, where the UV Index peaks at an intense 13, remaining high at 13 until 13:00. Gradually, the index decreases, sliding down to 10 by 15:00, followed by a drop to 6 by 16:00. As the sun begins to set, the UV Index retreats further to 3 at 17:00, and finally settles back to 1 by 19:00. This data highlights the importance of sun protection during those midday hours when UV exposure is at its most potent.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits significant seasonal changes, with the highest values recorded from March to September, indicating months of extreme exposure. Specifically, March through August all register a UV Index of 13, while September is slightly lower at 12. The high-risk months for sun exposure are February through October, particularly noting March to July as critical periods due to their extreme exposure category and a burn time of just 10 minutes. Residents and visitors should take precautions during these months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to reduce the risk of sunburn and long-term skin damage. In contrast, January and December have a 6 UV Index, while November and October see a decline to 8 and 10 respectively, indicating some respite from the sun's intensity.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Colonia Nicolas Bravo (Kilometro Noventa y Dos) | 6 | 9 | 11 | 13 | 13 | 13 | 13 | 13 | 12 | 10 | 8 | 6 |
| 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 |