Last updated: June 2, 2025
Understanding the UV Index is essential for staying safe in Santa Rosa, Argentina, where sun exposure can pose significant health risks. With UV levels peaking around midday—reaching 4 on the UV Index scale—awareness of these levels is key to preventing sunburn and protecting your skin health. Given Santa Rosa's BWk climate, characterized by hot summers and clear skies, residents must be vigilant about their sun safety. By monitoring the UV Index, you can enjoy the sun while taking the necessary precautions to safeguard your skin.
Today’s UV Index reveals a gradual ascent in sun intensity as the day unfolds. Starting from 0 at 07:00 and 08:00, the UVI picks up momentum, reaching 1 by 09:00 and 10:00. The peak occurs between 12:00 and 14:00, with a maximum of 4—an ideal time for sun safety awareness! As the afternoon transitions to evening, the index declines to 3 at 15:00 and dips back to 1 by 17:00 and 18:00, before finally resting at 0 by 19:00. Plan your outdoor activities wisely, especially during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | 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 |
The UV Index experiences significant seasonal variation, with extreme levels in the winter months (January to March) and late fall (October to December), where the burn time is as short as 10 minutes. High-risk months for UV exposure include January, February, March, October, November, and December, with indices reaching up to 15. Transitioning into spring and summer, the index drops to very high levels in April and September, with burn times increasing to 15 minutes. From May to July, the risk decreases to moderate, allowing for longer exposure times of 30 minutes. Visitors and residents are advised to take precautionary measures during high UV months, such as wearing protective clothing, applying sunscreen, and seeking shade, particularly during the peak sun 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 Rosa | 15 | 13 | 12 | 8 | 5 | 4 | 4 | 6 | 8 | 12 | 14 | 15 |
| 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 |