Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Luján de Cuyo, Argentina. With its BWk climate, the region experiences heightened UV exposure, especially during the midday hours when UV levels can reach up to 5. Being aware of these levels is essential for preventing sunburn and maintaining overall skin health. As the sun rises, UV radiation gradually increases, making it vital to take protective measures from late morning to early afternoon. Whether you’re enjoying a leisurely day outdoors or engaging in outdoor activities, staying informed about the UV Index will help safeguard your skin while you soak in the beauty of this stunning area.
Starting off the day, the UV Index remains at a cool 0 from 07:00 to 08:00, perfect for early risers. Gradually, the sun begins to climb higher, nudging the index up to 1 by 09:00 and 10:00. By 11:00, it peaks to 3, signaling more intense exposure ahead. Noon brings a noticeable increase as the UV Index hits 4, and by 13:00 and 14:00, it reaches its maximum of 5, indicating a higher risk of harm from unprotected sun exposure. Thankfully, by 15:00, it dips slightly to 4 and continues to decline to 2 at 16:00. As evening approaches, the index stabilizes at 1 through 18:00, before returning to 0 at 19:00. Whether you're seeking shade or planning to bask in the sun, keep the UV Index in mind for your day's activities! 🌞
| 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 | 1 | low | 45 min |
| 11:00 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 demonstrates significant seasonal variation, with the highest readings occurring during the winter months. January and February show extreme levels with an index of 17 and 15, respectively, allowing for a burn time of just 10 minutes. High-risk months include March (UV Index 13) and April (UV Index 9), where precautions are strongly advised due to their extreme to very high exposure categories. From May to August, the index decreases, featuring a high level in May (6) and continuing with moderate exposure in June (5), followed by high levels again in July (6) and August (7). As fall approaches, September sees a return to very high exposure (10), before the UV Index escalates back to extreme levels in October (13), November (15), and December (16) with reduced burn times of 10-15 minutes. Visitors and residents are advised to take protective measures year-round, especially during the high-risk months of January, February, March, and October to December, to mitigate the effects of intense UV radiation. Always apply sunscreen, wear protective clothing, and seek shade when necessary.
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 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| Lujan de Cuyo | 17 | 15 | 13 | 9 | 6 | 5 | 6 | 7 | 10 | 13 | 15 | 16 |