Last updated: February 8, 2026
Understanding the UV Index in Ejido de Santa Maria Nativitas, Mexico, is crucial for safeguarding your skin and overall health. With the region's distinct Cwb climate—characterized by warm days and plentiful sunshine—awareness of UV levels can significantly reduce the risk of sunburn and long-term skin damage. From a low of 1 in the morning to a peak of 14 around midday, the UV Index fluctuates throughout the day, emphasizing the importance of taking preventive measures during the most intense hours. Stay informed and protect yourself from the sun's harmful rays while enjoying the vibrant outdoors!
As the sun rises, the UV Index gradually begins its ascent, starting from a mild 1 at 07:00 and 08:00. By 09:00, it climbs to 2, but it’s not until 10:00 that the real heat kicks in with a surge to 5. The peak arrives at 12:00, where the index skyrockets to a scorching 12, reaching its pinnacle of 14 at both 13:00 and 14:00. As the afternoon sun starts to wane, the index drops to 12 at 15:00, further declining to 9 at 16:00. As evening approaches, the UV intensity fades, settling at 5 by 17:00, then gently tapering off to 3 at 18:00 and back to a safe 1 by 19:00. Remember to protect your skin during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 60+ minutes |
| 08:00 | 1 | low | 60+ minutes |
| 09:00 | 3 | moderate | 30–60 min |
| 10:00 | 6 | high | 15–30 min |
| 11:00 | 10 | very high | 10–15 min |
| 12:00 | 12 | extreme | <10 minutes |
| 13:00 | 13 | extreme | <10 minutes |
| 14:00 | 11 | extreme | <10 minutes |
| 15:00 | 8 | very high | 10–15 min |
| 16:00 | 4 | moderate | 30–60 min |
| 17:00 | 2 | low | 60+ minutes |
| 18:00 | 1 | low | 60+ minutes |
| 19:00 | 0 | low | 60+ minutes |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the warmer months. From January to February, the UV levels increase sharply, reaching an extreme rating of 12 in February, with a burn time of just 10 minutes. The high-risk months for sun exposure are March through October, where the UV Index consistently remains at 14 or 15, all categorized as extreme with a burn time of 10 minutes. Residents and visitors should exercise caution during these months by wearing protective clothing, applying sunscreen, and seeking shade to minimize the risk of sunburn. As the year progresses, UV levels decline in November and December, returning to a very high category of 10 and 9, respectively—still warranting careful sun protection measures, particularly during peak hours.
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 |
| Ejido de Santa Maria Nativitas | 10 | 12 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 12 | 10 | 9 |
| Puebla UVI | 10 | 12 | 14 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 10 | 9 |