Last updated: May 3, 2025
Understanding the UV Index in Cujuliapan, Mexico is essential for safeguarding your skin and overall health. With its predominantly tropical climate, residents and visitors alike experience significant sun exposure, especially during peak hours when the UV Index reaches its maximum of 13 around noon. Awareness of UV levels is crucial not only for preventing sunburn but also for reducing the risk of long-term skin damage and related health issues. By staying informed about the local UV Index, you can protect yourself and enjoy all that Cujuliapan has to offer while keeping your skin safe from harmful rays.
As the sun rises, the UV Index begins modestly at 1 between 07:00 and 08:00, signaling a gentle start to the day. However, by 09:00, it's on the rise to 3, hinting at the increasing intensity of UV radiation. The midday hours see a dramatic surge, peaking at a scorching 13 by 13:00. This period between 11:00 and 14:00 is particularly critical, with values soaring to 9 and 12, urging caution for outdoor activities. As the afternoon rolls in, the index gradually retreats, dropping to 11 at 15:00 and then declining further to 4 by 17:00, indicating a safe return to outdoor pursuits as evening approaches. The UV risk diminishes significantly by 18:00, resting at 2, before settling back to 1 as dusk falls. Stay sun smart and protect your skin 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 | 6 | high | 25 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 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the summer months. From January to March, the UV Index rises progressively from 9 to 12, marking the start of higher sun exposure risks with burn times decreasing to 10 minutes by late winter. The months of April to September present the highest danger, with the UV Index reaching its max of 14 in July. The exposure category remains at extreme throughout this period, indicating a burn time of just 10 minutes. As we move into fall, the UV Index drops slightly but stays within the extreme category until October, before retreating to very high levels in November and December. Residents and visitors should exercise caution and take protective measures during high-risk months, particularly from March to October, when the potential for skin damage is considerably elevated. Always apply sunscreen, wear protective clothing, and seek shade during peak hours to minimize risks.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cujuliapan | 9 | 11 | 12 | 13 | 13 | 13 | 14 | 12 | 13 | 11 | 9 | 8 |
| 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 |