Last updated: May 3, 2025
In Termas de Rio Hondo, Argentina, staying vigilant about the UV Index is crucial for safeguarding your skin health and preventing painful sunburns. Understanding UV levels informs residents and visitors alike about the risks of overexposure, especially during the peak sunlight hours. Situated in a Cwa climate zone, this region often experiences high UV indices during midday, with values reaching up to 7 around 1:00 PM, presenting a significant risk for sun damage. By keeping an eye on the UV readings, you can enjoy the warm climate while ensuring your skin stays protected under the Argentine sun.
During the day, the UV Index follows a dynamic pattern, peaking in the early afternoon. At 07:00, the index begins at a safe 0, gradually rising to 1 by 08:00. As the sun climbs higher, the values increase steadily—reaching 2 at 10:00 and then escalating to 4 by 11:00. The intensity spikes at 12:00, soaring to 6, before peaking at an impressive 7 at 13:00. The UV levels then begin to taper off, decreasing to 6 at 14:00 and further dropping to 5 by 15:00. As the afternoon wanes, the index declines to 3 at 16:00, and finally settles back at 1 by 17:00 and 18:00, before returning to 0 by 19:00. This hourly data highlights the importance of sun safety, especially during those peak hours when UV exposure is highest.
| 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 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal variations, with the highest risk occurring during the winter and early spring months of January through March, where the index hovers between 14 to 15 and is categorized as extreme, allowing for a burn time of just 10 minutes. November and December also remain critical months with an index of 15, emphasizing the need for protective measures. As spring approaches into April and September, the UV Index drops to 10—still within the very high exposure category, with a burn time of 15 minutes. Moving into the summer, from May to August, the risk reduces somewhat with indices of 7 to 6, categorized as high to moderate, allowing for slightly longer safe exposure times. Visitors and residents should take priority in protecting their skin, particularly during high-risk months—applying sunscreen, wearing protective clothing, and seeking shade—especially in those extreme months for their safety.
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 |
| Termas de Rio Hondo | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |