Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Fernandez, Argentina, where the sun can be quite intense. A high UV Index indicates an increased risk of sunburn and skin damage, making it essential for everyone to stay informed about daily UV levels. With a climate classified as BSh, Fernandez experiences sunny days that can elevate UV exposure significantly, particularly between 11 AM and 2 PM when levels peak at 6 to 7. Being aware of these fluctuations helps in taking necessary precautions to protect your skin and maintain overall health while enjoying the beautiful Argentine sun.
During the day, the UV Index follows a dynamic pattern, peaking in the early afternoon. At 07:00, the index begins at a safe 0, gradually rising to 1 by 08:00. As the sun climbs higher, the values increase steadily—reaching 2 at 10:00 and then escalating to 4 by 11:00. The intensity spikes at 12:00, soaring to 6, before peaking at an impressive 7 at 13:00. The UV levels then begin to taper off, decreasing to 6 at 14:00 and further dropping to 5 by 15:00. As the afternoon wanes, the index declines to 3 at 16:00, and finally settles back at 1 by 17:00 and 18:00, before returning to 0 by 19:00. This hourly data highlights the importance of sun safety, especially during those peak hours when UV exposure is highest.
| 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 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The seasonal changes in the UV Index reveal significant variations, with the highest levels occurring in the winter months of January, February, and November (UV Index 15), indicating an extreme risk of harm from unprotected sun exposure, where burn time is as little as 10 minutes. Conversely, the spring sees a gradual decline, with April featuring a very high index of 10 and a 15-minute burn time. The summer months exhibit a slight moderation; however, July and August still present high risks (UV Index 6-7) with a 25-minute burn time. As fall approaches, September and October once again elevate concerns with an extreme category returning in October. It’s crucial for visitors and residents alike to protect their skin during the high-risk months, particularly from January to March and again in October, November, and December, to minimize the risk of sunburn, even on cloudy days. Always use sunscreen, wear protective clothing, and seek shade during peak sunlight hours.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Fernandez | 15 | 13 | 12 | 10 | 7 | 5 | 6 | 7 | 10 | 12 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |