Last updated: May 3, 2025
Awareness of the UV Index in Nueve de Julio, Argentina is crucial for everyone looking to protect their skin health and prevent sunburn. Understanding the UV levels throughout the day helps residents and visitors alike make informed decisions about sun exposure, especially during the peak hours when the index can reach as high as 6 between noon and 1 PM. Given Nueve de Julio's Cfa climate, characterized by warm summers, the risk of UV radiation is notable. By staying informed and taking appropriate sun safety measures, you can enjoy the beautiful Argentine outdoors while minimizing the potential harm from ultraviolet rays.
The UV Index throughout the day showcases a dynamic pattern, beginning at a very low level of 0 at 7:00 AM. As the sun rises, the index gradually climbs, reaching 1 by 8:00 AM and 9:00 AM. A noticeable surge occurs at 10:00 AM, escalating to a moderate level of 3. The intensity peaks during midday, hitting 6 at 12:00 PM and maintaining this high level until 1:00 PM. As the afternoon progresses, there’s a gentle decline: it drops to 5 at 2:00 PM, 4 by 3:00 PM, and further down to 2 by 4:00 PM. As evening approaches, the UV Index recedes to 1 at both 5:00 PM and 6:00 PM, before finally returning to 0 by 7:00 PM. This daily cycle emphasizes the importance of sun safety during peak hours when UV radiation is at its strongest.
| 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 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 in this region displays significant seasonal variations, peaking in the winter months with extreme exposure levels. From January to March, the UV Index remains alarmingly high (ranging from 14 to 15), indicating high-risk months for sunburn with a burn time of just 10 minutes. As spring arrives in April, the index drops slightly to 9 (very high), allowing for a longer burn time of 15 minutes. During the summer months of June and July, the UV Index stabilizes around 5 (moderate), providing somewhat safer conditions with 30 minutes of burn time. However, it rises again in August at 7 (high) and returns to 9 in September (very high). As autumn transitions to winter, October, November, and December re-enter extreme levels with UV indices between 12 and 14 (10-minute burn times). Visitors and residents are advised to take precautions, using sunscreen, wearing protective clothing, and seeking shade, particularly during the high-risk months from January to March and again in October to December.
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 |
| Nueve de Julio | 15 | 14 | 12 | 9 | 6 | 5 | 5 | 7 | 9 | 12 | 14 | 14 |
| San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |