Last updated: June 2, 2025
Understanding the UV Index in Lima, United States, is crucial for protecting your skin and overall health. With UV levels peaking at a striking 10 during midday hours, awareness of these harmful rays can significantly aid in sunburn prevention and long-term skin care. Lima's Dfb climate, characterized by its varying seasonal temperatures and cloud cover, often leads to underestimating UV exposure risks. By keeping an eye on the UV Index, you can enjoy the sunny days while safeguarding your skin from detrimental effects. Stay informed, stay protected!
The UV Index throughout the day paints a clear picture of sun intensity. Starting from a gentle 1 at 07:00, the UV levels gradually rise, peaking at an intense 10 by 13:00. This midday spike calls for caution as sun exposure increases significantly. As the afternoon progresses, from 14:00 to 15:00, the index slightly dips to 9 and 8, respectively, before gradually falling off to 6 at 16:00 and down to a mellow 1 by 19:00. For outdoor enthusiasts, the window between 11:00 and 13:00 is the time to enjoy the sun while remaining mindful of skin protection.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with maximum exposure typically occurring between April and August. During this peak period, the UV Index reaches very high levels (8-10), with a notably short burn time of just 15 minutes, making May and June the highest risk months for skin damage. Conversely, the winter months (January, February, and December) present a much lower risk, with UV indexes classified as low to moderate. Visitors and residents are strongly advised to take precautions during high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, especially during midday hours when UV exposure is most intense. Remember, even on cloudy days, UV rays can still cause harm, so it’s essential to stay vigilant year-round.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Lima | 2 | 4 | 5 | 8 | 10 | 10 | 9 | 9 | 7 | 5 | 3 | 2 |
Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |