UV Index in Monroe, United States

Last updated: July 2, 2025

Understanding the UV Index in Monroe, United States is crucial for protecting your skin and overall health as you enjoy the outdoors. With the typical Dfa climate bringing warm summers, it’s important to be aware of fluctuating UV levels throughout the day to prevent sunburn and reduce the risk of skin cancer. During peak hours, especially between 12 PM and 2 PM when the UV Index can reach up to 10, even brief sun exposure can lead to damage. Stay informed and take proactive measures to safeguard your skin while basking in Monroe’s beautiful sunny days!

Hourly UV Index in Monroe

The UV Index starts off gentle in the early hours, peaking at 1 around 07:00 and 08:00. As the sun ascends, it gradually climbs to reach 2 by 09:00 and then surges to 4 by 10:00. A significant spike occurs around 11:00, peaking at 6, before reaching its zenith of 10 from 13:00 to 14:00—a crucial time for sun protection. As the afternoon wanes, the index begins to decline, tapering down to 7 at 16:00, then to 5 by 17:00. As the sun sets, it drops to 3 at 18:00, and finally sinks back to a safe 1 by 19:00, reminding us to be cautious in the midday sun while enjoying the warm daylight.

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	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Monroe

Throughout the year, the UV Index experiences significant fluctuations, with the highest levels occurring during the summer months. High-risk months for UV exposure include April through September, when the UV Index reaches very high levels of 9 or 10, significantly reducing the safe burn time to just 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Conversely, the winter months of December and January present lower UV risks, with indices of 2 and 3, allowing for safer exposure times of 30 to 45 minutes. Overall, awareness of seasonal changes in UV levels is crucial for protecting skin health throughout the year.

Monthly Maximum UV Index for Monroe, United States

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

The table above highlights how UV exposure in Monroe 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.

Monroe'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
Monroe	3	5	6	9	9	10	10	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