Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Vichadero, Uruguay, where the climate is classified as Cfa, leading to varied sun exposure throughout the year. Being informed about UV levels helps in preventing sunburn and protecting your skin health, particularly when the index hits moderate levels like 4 around midday. As Vichadero enjoys a temperate climate, it’s essential to recognize that even on seemingly mild days, UV rays can still pose a significant risk, especially during peak sun hours. Stay ahead of the sun—your skin will thank you!
The UV Index throughout the day reveals a dynamic pattern of sun intensity. In the morning, it starts off low, peaking at 1 by 09:00. As the sun climbs higher, we see a steady increase with the index reaching 3 by 11:00. The highest point occurs from 12:00 to 13:00, where the UV Index hits a robust 4, indicating a need for sun protection during those hours. Following this peak, the index gradually declines, returning to 2 at 15:00, and then dropping back down to 0 by 18:00, marking the end of significant UV exposure for the day. Plan your outdoor activities accordingly to stay safe under the sun!
| 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 | 4 | moderate | 30 min |
| 13:00 | 4 | 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 |
During the year, seasonal changes in UV index reveal significant variations in sun exposure risks. The highest levels occur from January to March, when the UV Index remains extremely high (between 14 and 15) with a burn time of just 10 minutes. Visitors and residents should be particularly cautious during these months and adopt protective measures such as wearing sunscreen, protective clothing, and sunglasses. As spring approaches, the UV Index decreases, reaching moderate levels in June and July. However, September sees a return to very high UV levels, indicating another high-risk period. The fall and winter months of October through December also pose risks with extreme UV ratings, particularly in November. Overall, the highest-risk months for UV exposure are January, February, March, October, and November, and it’s crucial to stay informed and protected to enjoy outdoor activities safely throughout the year.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Las Piedras UVI | 14 | 13 | 11 | 7 | 5 | 3 | 4 | 6 | 8 | 10 | 13 | 14 |
| Montevideo UVI | 14 | 13 | 11 | 7 | 5 | 3 | 4 | 6 | 8 | 10 | 13 | 14 |
| Paysandu UVI | 15 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Salto UVI | 15 | 13 | 12 | 8 | 5 | 4 | 5 | 6 | 9 | 11 | 13 | 14 |
| Vichadero | 15 | 14 | 12 | 9 | 5 | 4 | 5 | 6 | 9 | 11 | 14 | 14 |
| Rivera UVI | 15 | 14 | 12 | 9 | 5 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |