Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Salto, Uruguay, where sun exposure can significantly impact skin health. With the sun reaching its peak intensity around midday, being aware of UV levels helps in preventing sunburn and long-term skin damage. Salto's delightful Cfa climate presents a warm atmosphere, but it also means that UV rays can be particularly strong during the summer months. By staying informed about daily UV Index values, you can protect yourself and enjoy outdoor activities safely under the sun.
The UV Index throughout the day reveals a dynamic pattern of solar intensity. Starting with a maximum of 0 at 7 AM, it gradually rises to a moderate 5 at 1 PM, where the sun shines its strongest. By 12 PM, the UV Index hits 4, prompting the need for sun protection. The intensity begins to taper off in the afternoon, dropping to 3 by 3 PM, and further decreasing to 1 by 5 PM. As twilight approaches, the UV Index settles back to 0 by 7 PM, signaling the end of the day's sun exposure. Plan accordingly, especially during those peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 2 | low | 45 min |
10:00 | 3 | moderate | 30 min |
11:00 | 5 | moderate | 30 min |
12:00 | 6 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 4 | moderate | 30 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 |
Throughout the year, UV Index levels exhibit significant seasonal variations, with the highest risk occurring during the winter months. From January to March, the UV Index remains extremely high, reaching a peak of 15 in January, where a mere 10 minutes of exposure can result in skin burns. This extreme risk continues into October and November, maintaining an index of 13 and 14 respectively, again allowing for only 10 minutes of safe exposure. As the seasons shift into spring and summer, the UV levels decrease, with April seeing a very high index of 8, and then moderating further to levels of 5 to 6 from May to August. September marks a return to very high levels at 9 before the winter extremes resume. Given this data, it is crucial for both visitors and residents to exercise caution, particularly during the high-risk months of January, February, March, October, and November. It is advisable to use sunscreen, wear protective clothing, and limit direct exposure during peak UV hours to minimize skin damage and health risks.
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 | 15 | 13 | 12 | 8 | 5 | 4 | 5 | 6 | 9 | 11 | 13 | 14 |
Rivera UVI | 15 | 14 | 12 | 9 | 5 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |