Last updated: July 2, 2025
Understanding the UV Index in Puerto Rico, Argentina is crucial for protecting your skin and overall health. With a climate categorized as Cfa, the region experiences a range of UV exposure throughout the day, peaking at 6 around noon. By being aware of UV levels, you can prevent sunburn and long-term skin damage while enjoying outdoor activities. With UV risks increasing as the sun rises, keeping track of these changes can help you stay safe under the Argentine sun.
As the sun rises, the UV Index starts at a gentle 1 at 7:00 AM and 8:00 AM, perfect for morning strolls without much concern for sun protection. By 9:00 AM, it climbs to 3, indicating a moderate level of UV exposure. The intensity peaks at 11:00 AM and 12:00 PM, reaching a 6—a signal to find some shade or apply sunscreen while enjoying the outdoors. As the afternoon unfolds, the index slightly drops, dipping to 5 at 1:00 PM and gradually declining to 2 by 3:00 PM. As the day winds down from 4:00 PM onwards, the levels decrease significantly to 1 and finally to 0 by 6:00 PM, heralding a safe evening where sun exposure is no longer a concern. Overall, it's a day where sun safety measures are essential from mid-morning to early afternoon, ensuring fun in the sun without the burn!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 5 | 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 |
Throughout the year, UV Index values vary significantly, with the highest levels recorded from January to March and again in October to December, all classified as extreme exposure. During these months, the burn time is remarkably low at just 10 minutes, indicating a high risk of sunburn and skin damage. April marks a slight decrease to a very high exposure category, with a burn time of 15 minutes, while May introduces a high category with a burn time of 25 minutes. From June to August, the UV index stabilizes in the moderate to high range, allowing for longer burn times of up to 30 minutes in June. Notably, September returns to a very high category. Visitors and residents are strongly advised to take precautions, especially during high-risk months (January to March and October to December), including wearing protective clothing, using sunscreen, and seeking shade to minimize UV exposure.
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 |
| Puerto Rico | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 14 | 14 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |