Last updated: May 3, 2025
Understanding the UV Index in Santa Rosa, Argentina is crucial for protecting your skin and overall health. Given the city's Cfa climate, which features warm summers and mild winters, residents and visitors alike face varying levels of UV exposure throughout the day. With the UV Index peaking at 6 around midday, it's essential to be aware of these levels to prevent sunburn and long-term skin damage. By making informed decisions about sun safety, such as wearing protective clothing and applying sunscreen, you can enjoy Santa Rosa's sunny days while safeguarding your skin health.
The UV Index throughout the day presents a dynamic picture of sun exposure. Starting from a maximum of 0 at 7:00 AM, the index gradually climbs, reaching 1 by 8:00 AM and reaching the moderate threshold of 3 by 10:00 AM. The peak UV exposure occurs between 12:00 PM and 1:00 PM, with levels hitting 6—a time to ensure adequate sunscreen application! As the afternoon progresses, the index gradually declines; it drops to 4 by 3:00 PM and then further decreases to 1 by 6:00 PM, before settling back to 0 at 7:00 PM. This pattern serves as a reminder to enjoy the sun with caution during peak hours!
| 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 | 6 | high | 25 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, with the highest levels occurring during the first few months. January to March typically see extreme UV levels, peaking at 15, necessitating very short burn times of just 10 minutes. The risk remains high in November and December with an index of 14 and similar burn times. April marks a transition to a very high UV index of 10, while May to July shows a decrease to moderate levels, although August spikes back to high. September returns to very high, before dropping in winter months. Given this data, it's crucial for visitors and residents to exercise caution and limit sun exposure during high-risk months, particularly from January to March and November to December, while utilizing sunscreen and protective clothing during outings to 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 |
| 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 |
| Santa Rosa | 15 | 13 | 12 | 10 | 6 | 5 | 5 | 7 | 10 | 12 | 14 | 14 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |