Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in General José de San Martín, Argentina, where the subtropical climate brings both beauty and risk. Being aware of UV levels helps prevent sunburns and protects skin health, making it essential to plan outdoor activities wisely. With peak UV Index values reaching up to 7 during the midday hours, the risks of overexposure—such as skin damage and increased cancer risk—are significant. As such, cultivating an awareness of UV intensity throughout the day and adopting protective measures can make all the difference for your well-being in this vibrant locale.
As the sun rises, the UV Index begins its ascent, peaking at 7 between 1 PM and 2 PM, indicating a substantial risk of harm from unprotected sun exposure. The day starts off slowly, with a 0 at 7 AM, climbing to a mild 1 by 8 AM. By 11 AM, the index hits 5, urging cautious sunbathing. Anticipate the highest values around noon, when it reaches 6, perfect for seeking shade or applying sunscreen. The afternoon sees a slight decline, dropping to 4 at 3 PM, before settling back down to a meager 1 by 5 PM and fading to 0 once again as the sun sets at 7 PM. Stay vigilant throughout your day; from late morning to early afternoon, it’s all about protecting your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 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 experiences significant seasonal fluctuations, with the highest levels occurring during winter months and extreme exposure categories persisting from January through March (UV Index 15 to 13, burn time of 10 minutes). April marks the transition to very high levels (UV Index 10) with a slightly longer burn time of 15 minutes, while May begins a gradual decline to high levels (UV Index 7, burn time of 25 minutes). Summer sees moderate to high UV levels in June (UV Index 5) and July (UV Index 6), before rising again in August and September to very high levels (UV Index 8 and 10, burn time of 15 minutes). As the year closes, extreme levels resurface in October and November (UV Index 13 to 14, burn time of 10 minutes). Visitors and residents are strongly advised to take precautions, such as wearing protective clothing, using sunscreen, and limiting sun exposure during high-risk months from January to March and October to November, to safeguard against the harmful effects of UV radiation.
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 |
| General Jose de San Martin | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |