Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Villaguay, Argentina, where the subtropical climate can expose individuals to varying levels of ultraviolet radiation throughout the day. With maximum UV levels peaking at 5 around midday, it’s essential to be aware of these fluctuations to prevent sunburn and protect skin health. Given the region's Cfa climate, characterized by hot summers, understanding UV levels can help you make informed decisions about sun protection and outdoor activities. Staying vigilant about the UV Index is key to enjoying sunny days safely in Villaguay!
The UV Index throughout the day presents a clear pattern of rising and falling intensity. Starting from a maximum of 0 at 7:00 AM, the index gradually increases, reaching 1 by 8:00 AM and maintaining that level until 10:00 AM. As the sun climbs higher, the intensity spikes to 4 at 11:00 AM, peaking at 5 during the midday hours of 12:00 PM to 2:00 PM. This period signifies the most potent sun exposure, calling for protective measures. Afterward, the index begins to decline, dipping back to 3 by 3:00 PM, and settling at 1 by 5:00 PM. By 7:00 PM, it returns to 0, signaling a gentle end to the day's UV intensity. Remember to stay sun-safe 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | 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 seasonal fluctuations, with January through March marked as high-risk months due to extreme levels of UV radiation (Index 15 to 11) and quick burn times of just 10 minutes. As the year progresses, April sees a slight reduction to a very high index of 8 (burn time: 15 minutes), followed by a decrease in intensity during May to July, where the index ranges from 4 to 5 with moderate exposure (burn time: up to 30 minutes). In late summer and early fall, the UV levels increase again, notably in September with an index of 9 and very high exposure. The year concludes with October to December experiencing extreme conditions once more (UV Index of 11 to 14) and a burn time of 10 minutes. Visitors and residents are advised to take precautions year-round, especially during the extreme months of January, February, March, October, November, and December, by wearing protective clothing, using sunscreen, and seeking shade to minimize UV exposure and prevent skin damage.
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 |
| Villaguay | 15 | 13 | 11 | 8 | 5 | 4 | 5 | 6 | 9 | 11 | 14 | 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 |