Last updated: July 2, 2025
Understanding the UV Index is essential for residents of General San Martin, Argentina, as it plays a crucial role in protecting your skin from the sun's harmful effects. With a generally dry, continental climate characteristic of the BSk zone, locals often face varying UV exposure levels throughout the day. Being aware of the UV levels not only aids in preventing sunburn but also promotes long-term skin health. As the sun climbs higher each day, especially during midday hours when the index may reach up to 3, taking precautions can make all the difference in enjoying safe, sunny days in this vibrant city.
The UV Index for today shows a gradual ascent as the sun climbs higher in the sky. Starting from a low of 0 at 7:00 AM, it remains low through the morning, not reaching 1 until 9:00 AM. By midday, the index peaks at 3 from 12:00 PM to 2:00 PM, indicating a moderate level of UV radiation that warrants some sun protection. As the afternoon fades into the early evening, the numbers start to decrease, returning to 1 by 6:00 PM and finally dropping to 0 after sunset at 7:00 PM. Overall, it's a day to enjoy outdoors while being mindful of the midday sun!
| 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 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 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, UV Index levels demonstrate significant seasonal variation, with January and February exhibiting extreme exposure at an index of 14 and 12 respectively, resulting in a quick burn time of just 10 minutes. The risk remains high in March with a very high index of 10, before tapering off to high levels in April at an index of 6 and dropping to moderate levels of 4 in May and 3 in June and July. From August onward, the risk gradually increases, peaking again in November with an index of 13 before returning to extreme levels in December. Therefore, for those visiting or residing in the area, it is crucial to exercise extra caution during the winter months and early spring, particularly from January to March and November, when UV exposure is most intense, with recommended protective measures like wearing sunscreen, hats, and UV-blocking sunglasses during these high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General San Martin | 14 | 12 | 10 | 6 | 4 | 3 | 3 | 5 | 7 | 10 | 13 | 14 |
| 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 |