Last updated: July 2, 2025
In Castelli, Argentina, being aware of the UV Index is crucial for safeguarding your skin and overall health. With the sun's intensity peaking daily between 12:00 PM and 2:00 PM, it's essential to understand UV levels to prevent sunburn and long-term skin damage. The Cfa climate of Castelli exposes residents and visitors to a fair amount of UV radiation, particularly during the summer months. By staying informed on UV Index readings, you can effectively enjoy outdoor activities while minimizing the risks associated with excessive sun exposure.
The UV Index for today reveals a dynamic pattern as the sun climbs higher in the sky. Starting at 0 at 07:00, it gradually increases to 1 by 08:00, before leveling off at 1 until 09:00. As the clock strikes 10:00, the index rises to 2, signaling the onset of midday sun strength. The peak arrives between 12:00 and 14:00, where it holds a formidable 6, prompting sun protection measures for those outdoors. As the afternoon progresses, the intensity begins to wane, dropping to 4 by 15:00 and gently decreasing to 1 by 17:00. Finally, it retreats back to 0 by 19:00, marking the end of the sun's impact. Be vigilant during the midday hours for optimal sun safety!
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 | 6 | high | 25 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 |
The UV Index demonstrates significant seasonal variation, with extreme risk months occurring from January to March, as well as October to December, where the UV Index consistently reaches levels between 14 and 15, leading to a very short burn time of just 10 minutes. April marks a slight decline in the UV Index to 10, categorized as very high, while May and July present intermediate high-risk periods with indexes of 7 and 6, respectively, allowing for longer burn times of 25 minutes. As visitors and residents engage in outdoor activities, it's crucial to remain vigilant during these higher UV exposure months. Protective measures, such as wearing sunscreen, hats, and protective clothing, are highly recommended, especially during late fall and winter months when UV rays can still cause significant 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 |
Castelli | 14 | 14 | 13 | 10 | 7 | 5 | 6 | 8 | 10 | 13 | 14 | 15 |
San Miguel de Tucuman UVI | 15 | 14 | 13 | 10 | 7 | 5 | 6 | 7 | 10 | 13 | 15 | 15 |