Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of General Alvear, Argentina, where the warm Cfa climate can expose you to higher levels of ultraviolet radiation. As the UV index can peak at 5 around midday, being aware of these levels is essential for protecting your skin from sunburn and long-term damage. With sunny conditions prevalent, knowing how to adjust your outdoor activities based on UV readings is key to maintaining optimal skin health and enjoying the outdoors safely. Stay informed, and use this guide to help you navigate the UV exposure risks unique to this beautiful region.
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 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | 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 experiences significant fluctuations throughout the year, with extreme levels observed in the winter months of January, February, March, November, and December, where the burn time is just 10 minutes. As spring approaches, the index drops to 7 in April, indicating high exposure risk, with a burn time of 25 minutes. The levels continue to decrease during the summer months, reaching moderate status from May to August, allowing for a longer burn time of 30 minutes. As fall arrives, September and October see a resurgence in risk, with an index of 7 and 10, respectively, so residents and visitors should exercise caution. It is advisable to take protective measures, particularly in high-risk months including November, January, February, March, and October, where extended sun exposure can lead to harmful effects. Always use sunscreen, wear protective clothing, and seek shade during peak UV periods to ensure safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General Alvear | 14 | 12 | 11 | 7 | 5 | 3 | 4 | 5 | 7 | 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 |