UV Index in Westbrook, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Westbrook, United States, as it provides a vital insight into daily sun exposure risks. Knowledge of UV levels helps prevent sunburn and promotes long-term skin health, ensuring that everyone enjoys the outdoors safely. With a Dfa climate, Westbrook experiences significant UV exposure, especially during the midday hours, where the index can peak at 10 around 1 PM. By staying informed about the UV Index, you can protect yourself and your loved ones from harmful effects, making outdoor activities more enjoyable year-round.

Hourly UV Index in Westbrook

As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!

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	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 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 Westbrook

Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from March to September. The UV Index peaks during the summer, particularly in June and July, where it reaches a maximum of 10, categorizing it as very high and resulting in a burn time of just 15 minutes. As spring transitions into summer, the index rises from a moderate rating of 3 in January to very high ratings by April, indicating that precautions should be taken to protect skin. During these high-risk months, it is advisable for visitors and residents to wear sunscreen, protective clothing, and seek shade during peak sun hours. As the year progresses into fall and winter, UV levels decrease, providing a relative respite from harmful exposure, with December offering a low index of 2 and a burn time of 45 minutes.

Monthly Maximum UV Index for Westbrook, United States

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

The table above highlights how UV exposure in Westbrook 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.

Westbrook'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
Westbrook	3	5	6	8	9	10	10	9	8	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