Last updated: May 3, 2025
Understanding the UV Index is essential for residents and visitors of Necochea, Argentina, where the local climate (Cfb) brings a mix of sun and cloud throughout the year. Awareness of UV levels helps in preventing sunburn, protecting skin health, and reducing the risk of skin cancer. With peak UV exposure occurring around midday, when levels can reach 4, it's crucial to stay informed and take necessary precautions. Given Necochea’s beautiful beaches and vibrant outdoor lifestyle, understanding how to manage sun exposure can keep you safe while you enjoy the sun-drenched days by the Atlantic coast.
The UV Index throughout the day reveals a dynamic pattern of sun intensity. In the morning, it starts off low, peaking at 1 by 09:00. As the sun climbs higher, we see a steady increase with the index reaching 3 by 11:00. The highest point occurs from 12:00 to 13:00, where the UV Index hits a robust 4, indicating a need for sun protection during those hours. Following this peak, the index gradually declines, returning to 2 at 15:00, and then dropping back down to 0 by 18:00, marking the end of significant UV exposure for the day. Plan your outdoor activities accordingly to stay safe 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 | 3 | moderate | 30 min |
| 12:00 | 4 | moderate | 30 min |
| 13:00 | 4 | 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 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV index levels exhibit significant seasonal changes, with January and December registering the highest values at 14, indicating an extreme exposure risk with a burn time of just 10 minutes. The risk remains high in February and November with UV indices of 12 and a similar burn time. The spring months see a gradual decrease, with March peaking at 10 and transitioning to a very high category before dropping to high in April and moderate during the summer months of May through July. As autumn approaches, levels increase again, peaking in September at high and subsequently returning to very high in October. Visitors and residents should take precautions, especially during the high-risk months of January, February, November, and December, by wearing protective clothing, using sunscreen with high SPF, and limiting sun exposure during peak hours to safeguard against harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Necochea | 14 | 12 | 10 | 6 | 4 | 3 | 3 | 5 | 7 | 10 | 12 | 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 |