UV Index in Warren, United States

Last updated: July 2, 2025

In Warren, United States, staying informed about the UV Index is crucial for protecting your skin and health. Understanding UV levels not only helps in preventing painful sunburns but also plays a significant role in long-term skin health. With a Dfb climate, Warren experiences a variety of weather patterns that can lead to fluctuating UV exposure risks throughout the year. During peak hours, particularly from noon to 3 PM, UV Index levels can reach as high as 8, indicating a need for caution. By keeping a close eye on the UV Index, you can enjoy the outdoors while ensuring your skin stays safe and healthy.

Hourly UV Index in Warren

As the sun rises, the UV Index starts at a gentle 1 at 07:00, gradually climbing to a moderate 2 by 08:00. By 09:00, it reaches a 3, indicating that sun protection is becoming more important. The day's peak occurs at 12:00, when the UV Index hits a high of 8, prompting caution for prolonged exposure. This intensity remains steady until 14:00, before tapering off slowly. At 15:00, it drops to 7, then decreases to 6 by 16:00, and falls further to 4 at 17:00. As the day winds down, the index retreats to a soothing 2 by 18:00 and concludes at 1 by 19:00, making the evening safe for outdoor strolls. Remember to protect your skin during those peak 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	1	low	45 min
08:00	2	low	45 min
09:00	3	moderate	30 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	8	very high	15 min
13:00	8	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 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

Monthly UV Index Trends in Warren

Throughout the year, the UV Index experiences significant fluctuations, indicating varying levels of risk for skin damage due to sun exposure. The high-risk months typically occur from April to August, where UV Index values range from 7 to 9, categorized as high to very high, with the potential for sunburn occurring in as little as 15 minutes. In contrast, the winter months of January, November, and December present low UV levels (Index 2), while February, March, and October fall into the moderate category (Index 4-5). Visitors and residents are advised to take precautions during the high UV periods by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, particularly during the peak hours of sunlight.

Monthly Maximum UV Index for Warren, United States

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

The table above highlights how UV exposure in Warren 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.

Warren'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
Warren	2	4	5	7	8	9	8	8	7	4	2	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