UV Index in Bayfield, United States

Last updated: July 2, 2025

In Bayfield, United States, staying aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels not only helps in preventing painful sunburns but also plays a significant role in minimizing the risk of long-term skin damage. With an average climate classified under Dfb, Bayfield experiences varied sunlight exposure throughout the year, often peaking with UV Index levels reaching up to 13 during summer afternoons. Being informed about these levels empowers residents and visitors alike to enjoy the outdoors safely while taking necessary precautions against harmful ultraviolet rays.

Hourly UV Index in Bayfield

The UV Index throughout the day demonstrates a dramatic rise, peaking at 13 between 1 PM and 2 PM. Early morning starts off gently, with a maximum of just 1 at 7 AM, gradually climbing to 2 by 8 AM. As the sun climbs higher, the intensity increases rapidly, hitting 9 at 11 AM and soaring to its zenith of 12 at noon. After this peak, the index begins its descent, tapering to 10 by 3 PM, and further dwindling to 4 by 5 PM, ultimately calming to 1 as evening approaches. This hourly ebb and flow underscores the importance of sun safety measures, particularly during the midday hours when the UV exposure can be intense.

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	7	high	25 min
11:00	9	very high	15 min
12:00	12	extreme	10 min
13:00	13	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Bayfield

Throughout the year, UV Index levels fluctuate significantly, indicating varying risks associated with sun exposure. Notably, higher risk months are from March to August, peaking in June and July with an extreme UV Index of 13, necessitating extreme caution as the burn time is reduced to just 10 minutes. In contrast, January and December present a moderate risk with a UV Index of 4, allowing for safer sun exposure of up to 30 minutes. Visitors and residents should adopt protective measures, especially between March and October, through the use of sunscreen, protective clothing, and seeking shade during peak sun hours. It is also advisable to stay informed about the daily UV Index to ensure safe outdoor activities.

Monthly Maximum UV Index for Bayfield, United States

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

The table above highlights how UV exposure in Bayfield 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.

Bayfield'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
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Bayfield	4	7	9	11	12	13	13	12	10	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5