UV Index in Caledonia, United States

Last updated: July 2, 2025

Understanding the UV Index in Caledonia, United States, is crucial for protecting your skin from harmful ultraviolet rays. With the UV levels peaking at a dangerous 9 during midday, awareness is key to preventing sunburns and long-term skin damage. Caledonia's Dfb climate—characterized by warm summers and cold winters—can lead to varied UV exposure, making it essential to monitor daily UV forecasts. By recognizing these levels, you can make informed decisions that keep your skin healthy and safe while enjoying the outdoors.

Hourly UV Index in Caledonia

As the sun rises, the UV Index begins its climb, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it nudges up to 2, indicating that sun protection becomes a consideration. The intensity picks up significantly by 10:00 AM, reaching 5, before peaking at 12:00 PM with a striking 9. Notably, this peak persists through 1:00 PM to 3:00 PM, where the UVI remains steady, encouraging outdoor enthusiasts to seek shade and apply sunscreen. As the day winds down, the index gradually declines—dropping to 4 by 5:00 PM and trailing off to 1 by 7:00 PM. This hourly data not only highlights the importance of sun safety during the midday hours but also serves as a reminder to plan activities accordingly!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	7	high	25 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	9	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Caledonia

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.

Monthly Maximum UV Index for Caledonia, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Caledonia. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Caledonia, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Caledonia UV Index with Other United States Cities

The table above highlights how UV exposure in Caledonia compares to other major locations across United States. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Caledonia's solar exposure compared to other cities in United States. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Caledonia	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