Last updated: July 2, 2025
Staying informed about the UV Index is crucial for the residents and visitors of Gastre, Argentina, where the moderate climate can still lead to significant sun exposure. Understanding the daily UV levels helps prevent sunburn and protect skin health, especially during the peak hours when the index is at its highest. With typical UV ratings reaching up to 3 around midday, it’s essential to take necessary precautions, such as applying sunscreen or wearing protective clothing. As you enjoy the outdoors in this charming locale, remember that awareness of the UV Index can make all the difference in ensuring a safe and enjoyable time under the Argentine sun.
The UV Index for the day presents a dynamic pattern that peaks in the midday sun. Starting from 07:00, the index remains at a safe 0, gradually increasing to 1 by 09:00 and reaching 2 by 11:00. As noon approaches, the UV Index hits its peak at 3 from 12:00 to 15:00, suggesting that solar protection is essential during these hours. After that, it begins to decline, dropping back to 1 by 17:00 and returning to 0 by 19:00. This hourly data clearly illustrates the importance of being cautious and applying sunscreen, especially during the peak hours of 12:00 to 15:00, when UV exposure is at its highest.
| 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 | 3 | 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 |
Throughout the year, UV Index values exhibit significant seasonal variations, with January and December showing the highest extremes at an index of 14, indicating a very high risk of harm from unprotected sun exposure and a burn time of just 10 minutes. The high-risk months for UV exposure are February and November, each with an index of 13 and a similar burn time of 10 minutes. Conversely, the UV risk diminishes during June and July, with indices of 2 and 3 respectively, highlighting a low to moderate risk. Visitors and residents should remain vigilant during the first and last months of the year and particularly in March, September, and October, where UV indices drop to 9, 8, and 10 respectively, correlating with very high risk ratings. It is crucial for everyone to practice sun safety measures—such as wearing sunscreen, protective clothing, and seeking shade—to mitigate the risks during these high UV periods.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gastre | 14 | 13 | 9 | 6 | 4 | 2 | 3 | 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 |