UV Index in Calvert, United States

Last updated: May 3, 2025

In Calvert, United States, awareness of the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels is vital, especially during the peak hours of sunlight, as they can help prevent sunburns and long-term skin damage. With a Cfa climate, Calvert experiences a mix of warm and humid conditions, leading to elevated UV exposure risks, particularly between 10 AM and 2 PM when the index can soar as high as 11. By staying informed about these levels, you can enjoy the beautiful outdoors while safeguarding your skin.

Hourly UV Index in Calvert

The UV Index for the day showcases a striking pattern, starting moderate at 7:00 AM with a value of 1. As the sun climbs higher, the index steadily rises, hitting 3 by 9:00 AM, and then surging to a peak of 11 between 1:00 PM and 2:00 PM. This indicates a high risk of harm from unprotected sun exposure during midday. Following the peak, the UV Index gradually declines to 4 by 5:00 PM and further decreases to 1 by 7:00 PM, emphasizing the critical importance of sun protection during the intense midday hours. It’s advisable to seek shade and wear sunscreen if you're outside during the peak period!

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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	8	very high	15 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	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 Calvert

Seasonal UV changes reveal a significant increase in UV radiation from January to August, peaking at UV Index 12 during June and July, categorized as extreme, where the burn time is a mere 10 minutes. The months of April through August are particularly high-risk, advising visitors and residents to take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade. As autumn approaches, the UV Index gradually decreases, falling to very high levels in September and October, before dropping to moderate levels by December. It is crucial to stay vigilant and adjust sun safety practices accordingly, especially during the summer months when the sun's intensity is at its highest.

Monthly Maximum UV Index for Calvert, United States

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

The table above highlights how UV exposure in Calvert 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.

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