Last updated: July 2, 2025
In Achiras, Argentina, understanding the UV Index is crucial for protecting your skin and maintaining overall health. With a climate classified as Cfa, residents and visitors alike experience increasing UV exposure, especially during midday hours when the index can reach as high as 5. By being aware of UV levels, you can take proactive measures to prevent sunburn and long-term skin damage, ensuring your time outdoors remains enjoyable and safe. Whether you're exploring the beautiful surroundings or simply basking in the sun, staying informed about UV radiation can make all the difference in fostering healthy skin and preventing unwanted health issues.
The UV Index throughout the day reveals a dynamic pattern as the sun climbs higher. Early morning hours from 07:00 to 08:00 present a low risk with a UV Index of 0, making it safe for outdoor activities. As the clock strikes 09:00 and 10:00, the index gently rises to 1, indicating a minimal increase in UV exposure. However, a noticeable surge occurs between 11:00 and 13:00, where values reach 3 and peak at 5 at 13:00. This period marks a higher risk for sun-related harm, urging caution and sunscreen application. The afternoon sees a slight decline, with the index returning to 4 at 14:00, before tapering off to 3 at 15:00 and gradually diminishing to 1 by 17:00 and 18:00. Finally, as dusk approaches, the UV Index drops to 0, closing out the day with a safe sun exposure environment.
| 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 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 5 | moderate | 30 min |
| 14:00 | 4 | 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 |
Throughout the year, UV Index levels reveal significant seasonal changes, with the highest risks occurring from January to March and returning in October to December. During these high-risk months, the UV Index peaks at 15 in January and December, categorizing them as extreme with a burn time of just 10 minutes. As spring approaches in April, the index drops slightly to 8, marking the beginning of the very high exposure category, while transitioning into moderate levels from May to July. However, even in summer, it is crucial for visitors and residents to remain vigilant, as the index can reach 7 in August. Recommendations for all are to adopt sun safety measures such as wearing protective clothing and sunscreen, especially during peak UV hours, and to be particularly cautious during the extreme months where burn times are significantly shorter.
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 |
| Achiras | 15 | 14 | 12 | 8 | 5 | 4 | 5 | 7 | 8 | 12 | 14 | 15 |
| 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 |