Last updated: July 2, 2025
In General Juan Madariaga, Argentina, awareness of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health, especially in a climate characterized by moderate temperatures and variable weather patterns like the Cfb zone. With daily UV values peaking at 3 from late morning to early afternoon, it's vital to stay informed and take precautions, such as wearing protective clothing and applying sunscreen, to minimize risks during those sunniest hours.
The UV Index throughout the day reveals a gradual increase in sun intensity, peaking mid-afternoon. Starting at 0 at 07:00, the index rises to 1 by 08:00 and remains moderate at 1 for the following hour. As the sun ascends, the intensity reaches 2 by 10:00, climbing further to 3 at 11:00, sustaining this level until 14:00. After this peak, a gentle decline begins, with the index dropping to 2 at 15:00, and gradually easing back to 1 by 17:00, before retreating to 0 by 18:00. For anyone spending time outdoors, the late morning to early afternoon presents the highest UV exposure; thus, caution and sun protection are highly advisable during these hours.
| 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 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, with January and December leading as the months with the highest risk, both at UV Index 14 in the extreme exposure category, where you can burn in just 10 minutes. Notably, February and November also pose a high risk with UV Index 12. As spring approaches, March sees a reduction to UV Index 10 (very high), while April drops to UV Index 7 (high), allowing for longer safe exposure times of 25 minutes. The summer months of May, June, and July present moderate risks (UV Index 4 to 3) with burn times extending to 30 minutes. However, this risk rises again in September and October before returning to extreme levels in late fall and winter. Visitors and residents should take precautions, especially during the high-risk months of January, February, October, and November, by wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours to ensure skin safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Juan Madariaga | 14 | 12 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 12 | 14 |
| 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 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |