Last updated: May 3, 2025
In Santa Ana, Argentina, understanding the UV Index is crucial for safeguarding your skin health against harmful ultraviolet rays. With a climate characterized by warm summers and mild winters, residents and visitors alike should be aware of the varying UV levels throughout the day, particularly peaking between 12:00 PM and 1:00 PM when the index can reach as high as 6. By grasping the importance of UV Index awareness, you can take proactive steps to prevent sunburn, reduce the risk of skin cancer, and enjoy the vibrant outdoor lifestyle Santa Ana has to offer while keeping your skin protected. Stay informed and protect yourself as you soak up the sun!
The UV Index for the day exhibits a clear progression, starting from a minimal level of 0 at 07:00. As the sun climbs higher, the index gradually increases, reaching a moderate 3 by 10:00 and peaking at a healthy level of 6 around 13:00. This midday surge highlights the importance of sun protection, as the UV exposure is at its strongest. Following peak hours, the index sees a notable decline, returning to 3 by 15:00 and tapering off to 1 by 18:00, before dropping back to 0 after sunset at 19:00. Be sure to plan outdoor activities accordingly to enjoy the sun safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with January through March experiencing the highest levels, marked as extreme (UV Index 15-12) and a burn time as quick as 10 minutes. The high-risk months for UV exposure are January, February, March, October, November, and December, when the UV Index frequently reaches extreme levels. As spring approaches, levels drop in April to very high (UV Index 9) and increase burn time to 15 minutes, before settling to high levels in May and August. During summer months, June and July present moderate conditions with burn times of 30 minutes. By September, UV levels surge again to very high. Visitors and residents should prioritize sun protection in these high-risk months, wearing sunscreen, protective clothing, and limiting direct sun exposure, particularly during peak hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Buenos Aires UVI | 14 | 13 | 11 | 7 | 5 | 4 | 4 | 6 | 8 | 10 | 13 | 14 |
| Rosario UVI | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Santa Ana | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 14 |
| Mendoza UVI | 15 | 14 | 12 | 8 | 6 | 4 | 5 | 6 | 9 | 12 | 14 | 15 |
| Cordoba UVI | 15 | 13 | 12 | 9 | 6 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |