Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Rivadavia, Argentina, where the BWk climate presents unique sun exposure challenges. As UV levels fluctuate throughout the day, knowing when and how to protect your skin is essential for preventing sunburn and promoting long-term skin health. With peak UV readings reaching 5 during midday hours, it's important for Rivadavia's sun lovers to stay informed about UV intensity, especially in a region that tends to experience significant sunlight. Prioritizing UV Index awareness helps ensure that outdoor activities are safe and enjoyable, protecting your skin from harmful effects while soaking up the Argentine sun!
The UV Index throughout the day presents an intriguing pattern of sun exposure. Starting at a gentle 0 during the early hours (07:00 and 08:00), it creeps up to 1 by 09:00, a reminder to enjoy the shade. By 10:00, it registers a 2, marking the emergence of more intense sunlight. As the day progresses, the index peaks at 5 between 12:00 and 14:00, indicating the strongest UV radiation, perfect for a midday stretch outdoors—but remember to protect your skin! Following this peak, the index gradually recedes, falling to 4 at 15:00 and declining further to 1 by 17:00, before settling at 0 again by nightfall at 19:00. A day well spent under the sun, but always with awareness!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 0 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 2 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 UV Index experiences significant seasonal variation, with extreme levels in the winter months (January to March) and late fall (October to December), where the burn time is as short as 10 minutes. High-risk months for UV exposure include January, February, March, October, November, and December, with indices reaching up to 15. Transitioning into spring and summer, the index drops to very high levels in April and September, with burn times increasing to 15 minutes. From May to July, the risk decreases to moderate, allowing for longer exposure times of 30 minutes. Visitors and residents are advised to take precautionary measures during high UV months, such as wearing protective clothing, applying sunscreen, and seeking shade, particularly during the peak sun 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 |
| Rivadavia | 15 | 13 | 12 | 8 | 5 | 4 | 4 | 6 | 8 | 12 | 14 | 15 |
| 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 |