Last updated: July 2, 2025
Understanding the UV Index in Veinticinco de Mayo, Argentina, is crucial for safeguarding your skin and overall health. As the sun’s rays can be particularly intense during certain hours, awareness of UV levels helps you to prevent sunburn and reduce the risk of long-term skin damage. This region, characterized by a Cfa climate, experiences significant UV exposure, especially from 11 AM to 2 PM, when the index peaks at a notable 6. Stay informed and take proactive measures to enjoy the sunny outdoors while keeping your skin safe!
The UV Index starts the day at a cool 0 by 7:00 AM, offering a gentle rise in sunlight exposure. As the hours unfold, it gradually climbs to a moderate 5 by 12:00 PM and reaches its peak of 6 at 1:00 PM, a time when sun safety is particularly essential. Afterward, the intensity wanes, dipping back down to 3 by 3:00 PM, offering a more manageable environment for outdoor activities. As the afternoon progresses into the evening, the UV Index retreats to 1 by 5:00 PM, settling back to 0 by 6:00 PM, signaling the end of the peak UV exposure for the day. It's a perfect reminder to enjoy the sun early while staying mindful of its intensity!
| 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal variations, with highest levels occurring from January to March, where it reaches an extreme index of 15 to 12 and a burn time as low as 10 minutes. This trend continues with high-risk months in October and November that again escalate to index levels of 14. During the spring and summer months, the index decreases slightly: in April, it drops to 10, and by May, it sits at 6. While summer sees lower levels, July and August maintain a high exposure category of 6 to 7, with longer burn times of 25-30 minutes. Visitors and residents should take extra precautions during the extreme months—particularly from January to March and in late October to November—by wearing protective clothing, applying sunscreen, and seeking shade to minimize 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 |
| Veinticinco de Mayo | 15 | 14 | 12 | 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 |