Last updated: July 2, 2025
Understanding the UV Index in La Calera, Argentina is crucial for safeguarding your skin and overall health. With its Cwa climate, residents and visitors often experience varied UV exposure levels throughout the day, peaking between 12 PM and 2 PM. Knowing these levels helps in preventing sunburn and long-term skin damage, allowing you to enjoy the beautiful outdoors without worry. As the UV Index can rise quickly, awareness of the risks can empower you to take effective protective measures during higher exposure periods, ensuring a safer and more enjoyable experience under the sun.
The UV Index today starts off low, with maximum readings of 0 until 09:00, making it a safe time for morning activities. As the sun rises higher, the index gradually increases, peaking at 5 between 13:00 and 14:00. This indicates a moderate risk of harm from unprotected sun exposure during the late morning and early afternoon. Fortunately, as the day progresses into the afternoon and evening, the UV levels start to decline, dropping back to 1 by 17:00 and returning to 0 by 19:00. For those planning outdoor activities, it’s best to enjoy the midday sun while being mindful of the increasing UV risk!
| 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 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | 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 |
Throughout the year, UV exposure varies significantly, with the highest risk occurring in January, February, and March, all showing an extreme UV Index of 15 to 12, and a burn time of just 10 minutes. As we transition into the warmer months, April and September display a very high UV Index of 9, necessitating caution with a burn time of 15 minutes. The summer months of June and July offer a moderate level of UV exposure, allowing for a slightly extended burn time of 30 minutes. Notably, August shifts back to a high category with a UV Index of 7. As winter returns in October through December, UV levels rise back to extreme, emphasizing the need for protection with a burn time of 10 minutes. Visitors and residents are strongly advised to remain vigilant during high-risk months—especially from January to March and October to November—by wearing sunscreen, protective clothing, and seeking shade when the UV index is elevated.
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 |
| 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 |
| La Calera | 15 | 14 | 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 |