Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Costa de Oro, Mexico, where sun exposure can be intense, especially during peak hours. The UV Index measures the strength of ultraviolet radiation from the sun, informing you of the potential risk of harm to your skin. With levels peaking at a striking 13 around noon, awareness of UV levels is vital for preventing sunburn and safeguarding your skin health. Costa de Oro's warm Am climate brings not only beautiful beaches but also significant UV exposure risks. Understanding and monitoring these levels can help ensure that your time in the sun is enjoyable and safe!
As the sun rises, the UV Index begins at a low level of 1 at 07:00 and 08:00, indicating a comfortable start to the day. By 09:00, it climbs to 3, inviting early risers to bask in the gentle morning light. However, things heat up quickly: by 10:00, the index reaches 5, and by 11:00, it skyrockets to 9, signaling a peak in solar intensity. The midday sun is relentless, hitting a striking 12 at 12:00. As the clock strikes 01:00 and 02:00, we experience the highest point of the day with a UV Index of 13—a strong reminder to seek shade or apply sunscreen. The intensity starts to taper off after that, with 11 at 03:00 and declining to 8 by 04:00. As evening approaches, the index drops to 4 at 05:00, then further diminishes to 2 by 06:00 and ultimately settles back down to a low level of 1 by 07:00. This fluctuation showcases the significance of UV awareness throughout the day, encouraging everyone to protect their skin, especially during the 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 | 5 | moderate | 30 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 | 8 | very high | 15 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal variation, with the highest risk months occurring from February to October when values reach as high as 14 in June. The extreme exposure category applies from February to October, where the recommended burn time is as little as 10 minutes. In contrast, January, November, and December fall into the very high category, with longer burn times of 15 minutes. Residents and visitors are strongly advised to take precautions during these high-risk months by wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible to minimize skin damage. Stay vigilant and prioritize sun safety to enjoy outdoor activities without the risk of harmful UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Costa de Oro | 8 | 11 | 12 | 13 | 13 | 14 | 13 | 13 | 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 |