Last updated: July 2, 2025
In San Ignacio, Argentina, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and reduce the risk of skin damage, especially in a region known for its Cfa climate, characterized by hot summers and mild winters. With peak UV index readings reaching 6 around midday, it's essential to stay informed about potential sun exposure risks throughout the day. By knowing when the sun's rays are strongest, you can take proactive measures to safeguard your skin and enjoy the beautiful outdoors responsibly.
The UV Index for the day exhibits a clear progression, starting from a minimal level of 0 at 07:00. As the sun climbs higher, the index gradually increases, reaching a moderate 3 by 10:00 and peaking at a healthy level of 6 around 13:00. This midday surge highlights the importance of sun protection, as the UV exposure is at its strongest. Following peak hours, the index sees a notable decline, returning to 3 by 15:00 and tapering off to 1 by 18:00, before dropping back to 0 after sunset at 19:00. Be sure to plan outdoor activities accordingly to enjoy the sun safely!
| 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 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | 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 |
Over the course of the year, UV Index values show significant seasonal variation, with the highest levels occurring from January to March, where the UV Index ranges from 14 to 15, categorized as extreme, resulting in a quick burn time of just 10 minutes. The months of October and November also present high-risk conditions, maintaining an extreme exposure category. April marks a slight decline to a very high category at 10, while May through August see moderate to high values, with burn times extending from 25 to 30 minutes. As the year transitions into the cooler months, September sees an uptick to a very high category again. Residents and visitors should remain vigilant during the high-risk months of January, February, March, October, and November, taking precautions such as wearing sunscreen, protective clothing, and sunglasses, especially during peak sun hours, to avoid harmful UV exposure.
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 Ignacio | 15 | 14 | 13 | 10 | 6 | 5 | 6 | 7 | 10 | 13 | 14 | 14 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |