Last updated: July 2, 2025
In Eduardo Castex, Argentina, staying informed about the UV Index is crucial for safeguarding your skin and overall health. With a Cfa climate, residents face varying levels of UV radiation throughout the day, peaking during the midday hours. Understanding these levels helps in preventing sunburn and reducing long-term skin damage. For instance, between 12:00 PM and 1:00 PM, UV Index levels can reach up to 4, indicating a moderate risk of harm from unprotected sun exposure. By being aware of the UV Index, you can take appropriate precautions to enjoy the sun safely and protect your skin from harmful effects.
At dawn, the UV Index starts the day at a refreshingly low 0 until 9:00 AM, making it a perfect time for morning strolls without sun concerns. As the clock ticks to 10:00 AM, it creeps up to 1, signaling the sun's gradual strength. By 11:00 AM, the index rises to 2, prompting some caution for those spending time outdoors. The sun reaches its peak intensity at 12:00 PM with a UV Index of 3, and it continues to climb to a maximum of 4 at 1:00 PM—ideal for applying sunscreen! The index then slightly dips to 3 by 2:00 PM and remains steady through 3:00 PM, before tapering off in the late afternoon. By 6:00 PM, it dwindles to 1, finally retreating back to 0 by 7:00 PM, marking the day's end for UV exposure. Be sure to take precautions during those midday hours when the sun is most potent!
| 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 | 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 |
The UV Index experiences significant seasonal fluctuations, peaking during the winter months and again in late fall. High-risk months for UV exposure include January, February, March, November, and December, all categorized as extreme, with a remarkably short burn time of just 10 minutes. As we transition into spring, April shows a decrease to high levels with a burn time of 25 minutes, followed by moderate levels in May, June, July, and August. However, with September and October presenting very high UV levels, it's crucial for visitors and residents to remain vigilant. To protect your skin, it is advised to seek shade, wear protective clothing, and use broad-spectrum sunscreen, especially during the peak months and high UV days.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Eduardo Castex | 14 | 13 | 11 | 7 | 5 | 3 | 4 | 5 | 8 | 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 |