Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of El Cuy, Argentina, where the unique BSk climate brings varying levels of UV radiation throughout the day. With peak UV levels reaching 3 in the early afternoon, it's essential to be vigilant about sun exposure to protect against sunburn and long-term skin damage. Awareness of UV levels not only helps in safeguarding your skin health but also allows you to plan outdoor activities more safely. As you enjoy the beautiful landscapes of El Cuy, remember that knowing the UV Index is your best defense against the sun's harmful effects.
The UV Index throughout the day exhibits a distinct pattern, beginning with zero exposure from 7 AM to 8 AM, ideal for outdoor morning activities without concern for sun safety. As the sun climbs higher, the index rises gradually, reaching 1 by 9 AM and 10 AM, signaling a slight increase in UV radiation. The warmth peaks around noon to 1 PM, where the index hits 3, indicating moderate exposure that calls for sun protection. By 2 PM, the index remains at this level before tapering off to 2 from 3 PM to 4 PM, and gradually descending to 1 by the late afternoon. Finally, the UV Index drops to zero again by 7 PM, allowing for a safe conclusion to the day’s activities. Remember, even during lower readings, sunscreen and protective gear are always wise companions!
| 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 | 1 | low | 45 min |
| 11:00 | 2 | low | 45 min |
| 12:00 | 2 | low | 45 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 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 |
The UV Index shows significant seasonal changes, with the highest levels recorded in January and December at an extreme index of 14, where the burn time is just 10 minutes. February and November also remain high at an extreme index of 13. The transition to lower UV levels begins in March with a very high index of 10, but exposure remains risky, especially as summer months approach. The months of April and September shift to high and moderate levels respectively, while May, June, and July offer moderate indices around 3 to 4. Visitors and residents should take extra precautions during the high-risk months of January, February, November, and December by minimizing sun exposure, wearing protective clothing, and using sunscreen, as they are at increased risk of harmful UV effects. Even in moderate months, it’s advisable to be mindful of sun safety practices to protect against overexposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| El Cuy | 14 | 13 | 10 | 6 | 4 | 3 | 3 | 5 | 7 | 10 | 13 | 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 |