Last updated: May 3, 2025
In Castro Barros, Argentina, awareness of the UV Index is essential for safeguarding skin health and preventing sunburn. Understanding UV levels can help residents and visitors alike take proactive measures against potential skin damage, especially during the peak hours when UV radiation is most intense. Situated in a BSh climate zone, Castro Barros experiences sunny days where UV exposure can quickly rise, notably reaching a level of 6 from 13:00 to 14:00. By staying informed about the daily UV Index, you can enjoy the beautiful outdoors while protecting your skin from harmful effects.
Today's UV Index data reveals an intriguing pattern throughout the day. Starting from zero at 07:00, the sun's intensity gradually increases, hitting 1 by 08:00 and 09:00. By 10:00, the index rises to 2, but it’s not until 11:00 that we see a substantial rise to 4. The peak UV Index of 6 occurs at both 13:00 and 14:00, showcasing the midday sun's strength. As the afternoon progresses, a decline begins, with values tapering off to 4 at 15:00, and further down to 1 by 17:00 and 18:00. Finally, the index drops back to zero by 19:00, highlighting the day's end. It's a reminder to stay protected during those peak hours under the sun!
| 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 | 2 | low | 45 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, seasonal UV changes reveal distinct patterns in sun exposure risk. The high-risk months occur from January to March and again in November and December, with extreme UV Index values peaking at 15 in December and 14 in both January and November, indicating a burn time of just 10 minutes. In contrast, during the middle months, UV exposure decreases gradually, with the Index reaching a moderate level of 4 to 5 from June to July, extending the burn time to 30 minutes. As the seasons shift back towards fall, UV levels rise again in September. Residents and visitors should be particularly vigilant during the extreme and very high exposure months—January, February, March, October, November, and December—taking necessary precautions such as applying sunscreen, wearing protective clothing, and seeking shade to minimize the risk of sunburn and skin damage.
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 |
| Castro Barros | 14 | 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 |