UV Index in Winslow, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Winslow, United States, especially given its semi-arid climate which can lead to elevated UV exposure risks. Being aware of UV levels helps in preventing painful sunburns and protecting long-term skin health. With peak UV levels soaring to a high of 12 around noon, it’s essential to take precautions, particularly during the sunniest hours. By staying informed about the UV Index, residents can enjoy the beautiful Arizona sun while safeguarding their skin from its harmful effects.

Hourly UV Index in Winslow

The UV Index shows a dynamic pattern throughout the day, starting with a mild 2 at 07:00 and climbing steadily to reach its peak at 12 during the midday hours of 12:00 and 13:00. This hour marks the highest risk for sun exposure, urging everyone to take precautions. Following this peak, the index gracefully declines, dropping to 10 by 14:00, further decreasing to 8 at 15:00, and settling into a more moderate 5 by 16:00. As the sun begins to set, the UV Index drops significantly, ending the day at 1 by 19:00. It's a vivid reminder to enjoy the sun safely, especially during those intense midday hours!

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	2	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	12	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	8	very high	15 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Winslow

Throughout the year, UV exposure levels vary significantly, with the most intense months being April through September, where the UV Index frequently reaches extreme levels (11-13). Notably, May and June see the highest index at 12-13 and carry a 10-minute burn time. Transition months like February and October shift to high and very high exposure categories, respectively, indicating a need for caution. January and December present moderate UV levels, allowing for longer exposure of 30 minutes before burning. Visitors and residents are advised to prioritize sun safety during the high-risk months, particularly from March to September, by using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.

Monthly Maximum UV Index for Winslow, United States

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

The table above highlights how UV exposure in Winslow 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.

Winslow'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
Winslow	4	6	9	11	12	13	12	11	11	8	6	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5