Last updated: May 3, 2025
In Mercedes, Argentina, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels allows residents and visitors to protect themselves from harmful sun exposure, especially during the peak hours when UV readings can soar up to 5 around noon. With a Cfa climate, characterized by hot summers and ample sunshine, the risks associated with UV radiation are particularly significant. By staying informed about the daily UV Index, you can enjoy the beautiful weather of Mercedes while safeguarding your skin from damage.
The UV Index data for the day paints a clear picture of sun intensity as the hours progress. Starting at 07:00, the index is at a comfortable 0, allowing for a worry-free morning. As we move into the 08:00 and 09:00 hours, it remains low at 1, perfect for outdoor activities. This gradual increase peaks at 12:00 and 13:00, reaching a maximum of 5, indicating that sun protection is a must during these hours. The intensity then gradually tapers off, bringing it back down to 4 at 14:00 and declining further to 0 by 19:00. Embrace the early hours, but don’t forget your sunscreen when the sun is at its zenith!
| 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 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | moderate | 30 min |
| 15:00 | 3 | 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 |
The UV Index indicates significant seasonal variations in UV radiation exposure, with the highest values occurring from January to March, where levels reach an extreme category (UV Index 14-11) and a rapid burn time of just 10 minutes. The months of November and December also present similar risks, returning to extreme levels (UV Index 13-14). In contrast, April and August are categorized as high (UV Index 7 and 6), allowing for slightly longer burn times of 25 minutes, whereas May, June, and July are moderate (UV Index 5-3), providing more leeway for safe exposure (30 minutes). As September and October shift to very high (UV Index 8-10), burn times decrease again to 15 minutes. Residents and visitors are advised to prioritize sun safety during high-risk months—especially from January through March and November—by wearing sunscreen, protective clothing, and seeking shade to minimize potential skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mercedes | 14 | 13 | 11 | 7 | 5 | 3 | 4 | 6 | 8 | 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 |