Last updated: July 2, 2025
In Las Lajitas, Argentina, being aware of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps you take necessary precautions to avoid sunburn and long-term skin damage, especially during the peak hours when levels can soar. With a Cwa climate, Las Lajitas experiences significant solar exposure, making it essential to stay informed about UV risks throughout the day. As the sun climbs from a mild index of 1 in the morning to a high of 7 around noon, being proactive with sunscreen and protective clothing can make all the difference for your well-being.
As the sun rises, the UV Index begins its gradual ascent, starting at a cool 0 by 7:00 AM. By 8:00 AM, it tickles the digits at 1, and then remains steady through the morning with 1 at 9:00 AM. The real heat kicks in around 10:00 AM with a jump to 2, and by 11:00 AM, we see it reach 4. The noon sun unleashes its power with a peak UV Index of 6 at 12:00 PM, followed by an impressive maximum of 7 at 1:00 PM—perfect for sun worshippers but a cautionary point for sun-sensitive individuals. As the afternoon unfolds, the UV Index dips to 6 at 2:00 PM and gradually cools down to 5 by 3:00 PM. The evening hours bring a gentle decline, with values decreasing to 3 at 4:00 PM, 2 at 5:00 PM, and back to 1 by 6:00 PM, before settling back at 0 by 7:00 PM. Clearly, this data underscores the importance of sun safety during midday hours, offering a lesson in protection while enjoying the sunshine!
| 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant seasonal changes, with extreme levels persisting from January through April and then returning in September to November. The high-risk months for UV exposure are January through April and again in September and October, where the index peaks at levels as high as 16. During these months, the recommended burn time is a mere 10 minutes, necessitating comprehensive sun protection measures. As temperatures rise in May and August, the UV Index remains very high, with a stretch to 15 minutes for safe sun exposure. For ongoing safety, both residents and visitors should wear protective clothing, apply broad-spectrum sunscreen, and seek shade, especially 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 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |
| Las Lajitas | 16 | 14 | 13 | 11 | 8 | 6 | 7 | 8 | 11 | 13 | 15 | 15 |