Last updated: June 2, 2025
Understanding the UV Index in San Juan Tabaa, Mexico is crucial for ensuring the health and safety of residents and visitors alike. With its Cwb climate, this region experiences significant sun exposure, particularly during the midday hours. High UV levels can lead to severe sunburn and long-term skin damage, making it essential to monitor daily UV forecasts. During peak hours, especially from 12 PM to 2 PM, the UV Index can soar to a staggering 15, indicating an extreme risk of harm from unprotected sun exposure. Staying informed about these levels can help you take necessary precautions, ensuring a safe and enjoyable time under the sun.
The UV Index paints a vivid picture of the sun's intensity throughout the day, peaking dramatically by noon. Starting gently at 1 at 07:00, the index gradually rises, reaching 6 by 10:00. As the clock strikes 11:00, the UV intensity escalates to a robust 10, signaling the need for sun protection. The highest levels occur from 12:00 to 13:00, with a blistering maximum of 15 at 13:00. After this midday zenith, the index begins its descent, dropping to 14 at 14:00 and further declining to 12 by 15:00. As evening approaches, the UV levels soften, falling to 2 by 18:00 and finally settling back to 1 as the sun sets at 19:00. This data underscores the importance of vigilance during the peak hours to ensure skin safety in the sun.
| 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 | 6 | high | 25 min |
| 11:00 | 10 | 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 | 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 exhibits a notable seasonal pattern, peaking during the warmer months from March to October, where values consistently remain in the extreme category (UV Index 14-15). The highest UV levels are recorded in April, May, June, and July, maintaining an extreme classification and a very short burn time of just 10 minutes. In contrast, January and December experience very high UV levels but with slightly longer burn times of 15 minutes. Based on this data, the high-risk months for UV exposure are clearly March through November, especially from April to August. Visitors and residents are advised to take precautionary measures during these months—such as wearing sunscreen, protective clothing, and seeking shade during peak hours—to minimize the risk of sunburn and long-term skin damage.
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 Juan Tabaa | 10 | 13 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 11 | 9 |