Last updated: August 1, 2025
Understanding the UV Index in La Sinaloa, Mexico is crucial for safeguarding your skin and overall health. With UV levels soaring to a peak of 12 during midday, awareness of these numbers can significantly aid in preventing sunburn and reducing the risk of skin damage. The sunny climate of La Sinaloa means higher UV exposure, particularly during the summer months, making it essential for residents and visitors alike to comprehend the risks associated with unprotected sun exposure. By staying informed about the UV Index, you can effectively enjoy the outdoors while protecting your skin from harmful effects.
As the day unfolds, the UV Index reveals a dramatic shift in sun intensity. Early hours, from 07:00 to 09:00, maintain a mild UV Index of 1 to 3, perfect for a leisurely morning stroll. However, the sun climbs higher, and by 10:00, the index spikes to 6, signaling a shift. At 11:00, it reaches 9, and by noon, it peaks at a scorching 11, indicating high risk for unprotected skin. The intensity remains intense at 12:00 and 13:00, with both hours registering a 12—a clear call to seek shade or apply ample sunscreen. As the afternoon unfolds, the UV Index begins to wane, dropping to 9 at 15:00, then tapering down to 4 by 17:00. Finally, as the sun sets, the UV levels lighten to 2 at 18:00 and retreat to 1 by 19:00, marking the end of the day’s sunlit adventure. Stay protected 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 | 11 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk occurring from March to September. During these months, particularly from April to August when the UV Index reaches extreme levels (13-12), the recommended burn time drops to only 10 minutes. Visitors and residents should take extra precautions during these high-risk months, including wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade when possible. Notably, February and March also present very high levels of UV exposure, with burn times as short as 15 minutes, necessitating awareness even in the early spring. In contrast, winter months like January and December feature a reduced UV Index, although caution is still advised. Overall, prioritizing sun safety is essential, especially during peak months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| La Sinaloa | 7 | 9 | 10 | 13 | 13 | 12 | 12 | 12 | 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 |