Last updated: June 2, 2025
Understanding the UV Index in Rio Grande, Argentina is crucial for protecting your skin and maintaining overall health. As a city characterized by a Cfc climate, the UV exposure here can vary, making awareness essential for preventing sunburn and long-term skin damage. With UV levels peaking at 1 during the late morning to mid-afternoon, it's vital to be informed about when and how to safeguard yourself against harmful rays. Whether you're enjoying outdoor activities or simply soaking up some sun, being conscious of UV levels can help you enjoy your time under the sky while keeping your skin healthy.
Throughout the day, the UV Index showed a gradual rise, peaking during the midday hours. From 07:00 to 09:00, the index remained at a safe 0, providing a perfect time for morning activities without the worry of UV exposure. As the sun climbed higher, the index increased to 1 from 10:00 through 17:00, indicating a low level of UV radiation, suitable for outdoor enjoyment with minimal protection. However, as the day drew to a close, the UV Index dipped back to 0 by 18:00, signaling a retreat of sunlight and a decrease in UV intensity. Overall, it was a day where individuals could bask in the sun's warmth without significant risk, especially during the midday stretch.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 0 | low | 45 min |
| 10:00 | 1 | low | 45 min |
| 11:00 | 1 | low | 45 min |
| 12:00 | 1 | low | 45 min |
| 13:00 | 1 | low | 45 min |
| 14:00 | 1 | low | 45 min |
| 15:00 | 1 | 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 exhibits significant seasonal changes, with the highest risk from November to March, where values reach up to 12 in November and 10 in January and December, categorizing these months as extreme or very high exposure, requiring only 10 to 15 minutes before sunburn risks increase. Conversely, the summer months of June and July present the lowest UV levels, with an index of 1 and a burn time of 45 minutes. As the season transitions into spring and autumn, the UV Index gradually rises, peaking again in October (9) and dropping to moderate levels between August and September. Visitors and residents should take precautions especially from November to March, ensuring adequate sun protection such as sunscreen, hats, and protective clothing during the high-risk months, while enjoying the safer sunlight of the summer season with lower UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rio Grande | 10 | 8 | 6 | 3 | 2 | 1 | 1 | 3 | 4 | 9 | 12 | 10 |
| 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 |