UV Index in Windsor, United States

Last updated: June 2, 2025

In Windsor, United States, awareness of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding the UV levels can help you take preventive measures against sunburn and long-term skin damage, especially during the peak summer months characteristic of a Cfa climate. With UV Index readings in Windsor peaking at a significant 10 around midday, residents and visitors alike should be mindful of the increased exposure risks, ensuring they enjoy the sunshine safely while caring for their skin. Stay informed and keep your skin healthy!

Hourly UV Index in Windsor

The UV Index data unveils a dynamic progression of sun intensity throughout the day. Starting low at 1 at 07:00, the index gradually escalates, reaching maximum levels of 10 between 12:00 and 14:00. This peak signals a critical time for sun protection. As the afternoon wanes, the index tapers off to 8 at 15:00, and then descends further to 3 by 17:00, and 2 by 18:00. Ultimately, the day concludes softly with a return to 1 at 19:00. It's essential to stay vigilant during those peak hours to safeguard your skin while enjoying the sun!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Windsor

As we transition through the year, UV Index levels exhibit significant seasonal changes that are crucial for visitors and residents to understand. The months of May and July, with an extreme UV Index of 11, are recognized as high-risk months, where the burn time is notably short at just 10 minutes. Following closely are March, April, June, August, September, and October, all categorized as very high risk, requiring caution with burn times ranging from 15 minutes. In contrast, January, November, and December show moderate UV Index levels of 4, 5, and 3 respectively, with burn times extending to 30 minutes. Visitors and residents should take extra precautions during high-risk months by applying sunscreen, wearing protective clothing, and seeking shade during peak sunlight hours to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Windsor, United States

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Windsor. 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 Windsor, 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 Windsor UV Index with Other United States Cities

The table above highlights how UV exposure in Windsor 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.

Windsor'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
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
Windsor	4	6	8	9	11	10	11	10	9	8	5	3
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