Last updated: June 2, 2025
In Santa Catarina, Mexico, awareness of the UV Index is crucial for everyone who enjoys the sun-drenched lifestyle this beautiful region offers. Understanding UV levels is essential not only for preventing painful sunburns but also for protecting your long-term skin health against the harmful effects of ultraviolet radiation. With a typical climate categorized as Cfa, Santa Catarina sees significant UV exposure, particularly during peak hours—where the index can soar to a damaging 13 around midday. Staying informed about daily UV fluctuations can empower residents and visitors alike to take necessary precautions and enjoy the outdoors safely!
The UV Index throughout the day showcases a striking pattern of intensity as the sun rises. Starting at a mild 1 at 07:00 and 08:00, the index gradually climbs to 3 by 09:00. The heat peaks at 12:00 with an intense 11, surging to a high of 13 at 13:00—perfect for seeking shade and applying sunscreen. As the afternoon unwinds, the index begins its descent, dropping to 10 at 15:00 and further tapering off to a gentle 2 by 18:00. As evening approaches, the UV levels decline to a safe 1 by 19:00, marking a significant daily journey through UV exposure. Stay sun-smart, especially 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 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 |
Throughout the year, UV exposure varies significantly, with the highest risk months being March through October. During this period, the UV Index peaks at 13, categorized as extreme, particularly from May to July, where the burn time is as short as 10 minutes. The risk remains high in August and September with an index of 12, followed by October at 11. Visitors and residents should prioritize sun safety, especially in these high-risk months, by seeking shade, wearing protective clothing, and applying sunscreen frequently. Conversely, the UV Index drops in the winter months, with December and January showing lower levels, although January and February still have very high ratings. Proper sun precautions are essential year-round to protect against skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Santa Catarina | 8 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 9 | 7 |
| 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 |