Last updated: August 1, 2025
Understanding the UV Index is crucial for residents of Isidoro Noblia, Uruguay, where sun exposure can significantly impact skin health. Awareness of UV levels helps in preventing sunburn and long-term skin issues, making it essential for outdoor enthusiasts and families alike. With a humid subtropical climate (Cfa) characterized by warm summers, Isidoro Noblia often experiences varying UV exposure throughout the day, peaking between 11 AM and 2 PM with values hitting as high as 4. By staying informed about local UV conditions, you can better protect yourself and your loved ones from harmful sun effects.
The UV Index starts off low at 07:00 with a reading of 0, signifying a safe time to enjoy the outdoors without sun protection. As the day progresses, the index gradually rises, peaking at 11:00, 12:00, and 13:00 with a level of 4, indicating a moderate risk of harm from unprotected sun exposure. From 10:00 to 14:00, it's wise to seek shade and wear sunscreen, especially during the peak intensity hours. The index begins to decline after 15:00, dropping back to 1 by 16:00 and returning to 0 by 19:00, signaling a return to safer conditions. Overall, this day's UV pattern highlights the importance of sun safety during midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | 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 vary significantly, with the highest values occurring in the winter months. From January to March, the UV Index consistently peaks at 14 to 12, placing these months in the extreme exposure category where unprotected skin may burn within 10 minutes. Following this, April sees a decrease to 8, categorized as very high, with a burn time of 15 minutes. By May and June, the index drops to moderate levels of 5 and 4, allowing for safer sun exposure at about 30 minutes for unprotected skin. However, as summer transitions to fall, September and October witness a rise again to 9 and 11, categorized as very high and extreme respectively, with burn times of 15 and 10 minutes. November and December return to extreme levels, mirroring the beginning of the year. Visitors and residents are strongly advised to prioritize sun protection, especially from January through March and during October and November, by wearing sunscreen, protective clothing, and seeking shade when necessary to mitigate the risks associated with high UV exposure.
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 |
| Isidoro Noblia | 14 | 13 | 12 | 8 | 5 | 4 | 4 | 6 | 9 | 11 | 13 | 14 |
| Rivera UVI | 15 | 14 | 12 | 9 | 5 | 4 | 5 | 7 | 9 | 12 | 14 | 15 |