Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Firmat, Argentina, especially given its Cfa climate, characterized by hot summers and mild winters. Being aware of daily UV levels can help you protect yourself against sunburn, skin damage, and long-term health risks associated with excessive sun exposure. In Firmat, the UV Index typically peaks around midday, reaching levels that can pose a risk of harm to unprotected skin. With UV levels fluctuating between 0 and 4 throughout the day, knowing when to seek shade, wear sunscreen, or cover up is essential for maintaining healthy skin and enjoying outdoor activities safely.
The UV Index throughout the day showcases a gradual rise and fall in solar intensity. Starting from 07:00, the index remains at 0, indicating minimal UV exposure. As the morning unfolds, 09:00 and 10:00 see a slight uptick to 1, representing a modest level of UV rays. By 11:00, the index reaches 2, and soon after, at 12:00, it climbs to 3, suggesting it’s time to apply some sunscreen! The peak occurs at 13:00 with a UV Index of 4, marking the most intense sunlight of the day. However, as the afternoon rolls on, a gentle decline follows: it dips back to 3 at 14:00, then decreases to 2 by 15:00, and 1 by 16:00. As the sun sets, the UV Index drops to 0 by 18:00, signaling a safe return to outdoor activities without the need for sun protection. Overall, it’s a day where the midday sun shines brightest, making skin protection essential during peak hours!
| 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 | 2 | low | 45 min |
| 12:00 | 3 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index exhibits significant seasonal fluctuations, with January, February, March, October, November, and December classified as high-risk months due to extreme levels, where a mere 10 minutes of exposure can lead to sunburn. April transitions to very high exposure with a 15-minute burn time, while May and June see a drop to moderate levels, allowing for safer exposure of 30 minutes. As summer progresses, July maintains a moderate index, but the risk increases again in August with a high category and a burn time of 25 minutes. September returns to very high levels, emphasizing caution. Visitors and residents should exercise heightened vigilance during these high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, particularly from late fall through early spring when UV exposure remains dangerously high.
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 |
| Firmat | 14 | 13 | 11 | 8 | 5 | 4 | 4 | 6 | 8 | 11 | 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 |