Last updated: July 2, 2025
In Quemu Quemu, Argentina, being aware of the UV Index is crucial for safeguarding your skin against harmful effects of the sun. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, especially in a region known for its humid subtropical climate. With peak UV exposure reaching levels of 4 around midday, residents and visitors should be vigilant to protect themselves during the sunniest hours, ensuring a pleasant experience while enjoying the beautiful outdoors.
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 fluctuations throughout the year, with extreme levels observed in the winter months of January, February, March, November, and December, where the burn time is just 10 minutes. As spring approaches, the index drops to 7 in April, indicating high exposure risk, with a burn time of 25 minutes. The levels continue to decrease during the summer months, reaching moderate status from May to August, allowing for a longer burn time of 30 minutes. As fall arrives, September and October see a resurgence in risk, with an index of 7 and 10, respectively, so residents and visitors should exercise caution. It is advisable to take protective measures, particularly in high-risk months including November, January, February, March, and October, where extended sun exposure can lead to harmful effects. Always use sunscreen, wear protective clothing, and seek shade during peak UV periods to ensure safety.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quemu Quemu | 14 | 12 | 11 | 7 | 5 | 3 | 4 | 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 |