Last updated: July 2, 2025
Understanding the UV Index in Santa Rosa, Argentina is crucial for safeguarding your skin and overall health. With a climate characterized by dry conditions and abundant sunshine, the UV exposure can reach significant levels, especially during midday. Awareness of UV levels helps prevent sunburn and long-term skin damage, allowing residents and visitors alike to enjoy outdoor activities while protecting their skin. During peak hours, such as between 12:00 PM and 3:00 PM, the UV Index can rise to 4, underscoring the importance of taking precautions to stay sun-safe. Embrace sunny days in Santa Rosa with informed choices!
The UV Index today experiences a gradual climb as the sun rises and reaches its peak between 12:00 PM and 3:00 PM, where it maintains a value of 4—indicating moderate sun exposure risk. Starting from a cool 0 at 07:00 AM and 08:00 AM, it slowly progresses to 1 by 09:00 AM and 10:00 AM, then jumps to 2 by 11:00 AM. As the afternoon sun takes center stage, the index stabilizes, creating a reminder for sun safety. Following this peak, the index sees a gentle decline, concluding the day back at 1 by 06:00 PM and returning to 0 by 07:00 PM. Be mindful of the midday rays!
| 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 | 4 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 4 | 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 |