Last updated: May 3, 2025
In Las Heras, Argentina, understanding the UV Index is crucial for protecting your skin and maintaining overall health. With a climate classified as BSk, residents and visitors alike face varying levels of ultraviolet radiation throughout the day, especially during peak hours. Being aware of UV levels helps prevent sunburn and reduces the risk of long-term skin damage. From a low UV Index of 0 in the early morning to a moderate high of 3 around noon, knowing when to seek shade or apply sunscreen can make all the difference in keeping your skin safe under the sun.
Today's UV Index began quite low in the early morning, with 0 at both 07:00 and 08:00. It gradually rose as the sun climbed higher, reaching 1 by 09:00 and 10:00. The index peaked at 3 from 13:00 to 14:00, signaling a moderate risk for harm from unprotected sun exposure. As the afternoon waned, the UV Index dropped back to 2 at 15:00, then gently declined to 1 from 16:00 to 18:00. Finally, as twilight approached, it returned to 0 by 19:00. Remember to stay sun-smart during the peak hours!
| 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 | 2 | low | 45 min |
| 13:00 | 3 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | 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 experience significant fluctuations, with January and February marking the high-risk months for sun exposure, both classified as extreme with an index of 13 and 11, respectively, and a quick burn time of just 10 minutes. As we move into March, the index lowers slightly to 8 (very high), with a burn time of 15 minutes. Notably, April and May enter a moderate exposure category, where the UV Index dips to 5 and 3, allowing for safer sun time of 30 minutes. The summer months of June and July present a low risk with indices of 2, extending burn time to 45 minutes. As summer wanes into August, the risk returns to moderate with a UV Index of 4. September sees an increase to 6 (high), while October experiences a resurgence to 8 (very high). Finally, November and December wrap up the year with extreme risks again, marked by indices of 11 and 12, resulting in another 10-minute burn time. Visitors and residents are strongly advised to practice sun safety measures during the extreme months, especially by wearing protective clothing and applying sunscreen liberally, while also adjusting their sun exposure habits throughout the year based on these changing UV levels.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Las Heras | 13 | 11 | 8 | 5 | 3 | 2 | 2 | 4 | 6 | 8 | 11 | 12 |
| 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 |