UV Index in Roseau, United States

Last updated: May 3, 2025

In Roseau, United States, awareness of the UV Index is vital for protecting your skin from harmful solar radiation. Understanding UV levels can help prevent sunburn and long-term skin damage, especially during peak hours when exposure is highest. With Roseau's Dfb climate, residents and visitors alike face varying UV exposure risks throughout the day, particularly from 10:00 AM to 2:00 PM, when UV Index values soar to 8—signaling the need for proactive sun protection measures. Stay informed and keep your skin healthy by checking the UV Index!

Hourly UV Index in Roseau

The UV Index throughout the day reveals a stark rise in solar intensity as the sun reaches its peak. Starting at a mild 1 at 07:00, it gradually climbs to a noteworthy 8 by 13:00, signaling the need for sun protection during these hours. The intensity remains high at 8 until 14:00, after which it begins to taper off, dropping to 5 by 16:00 and falling further to 1 by 19:00. This data underscores the importance of safeguarding your skin, especially during the midday hours when the UV levels are most hazardous. Remember to protect yourself from the sun's rays when the UV Index is at its highest!

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	7	high	25 min
13:00	8	very high	15 min
14:00	8	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Roseau

Throughout the year, UV exposure varies significantly, with key changes occurring as seasons shift. The high-risk months for UV exposure are from April to August, where the UV Index reaches very high levels (8-9) in May, June, July, and August, with a burn time as brief as 15 minutes. As summer transitions into fall, UV levels decrease, dropping to moderate categories in October and low levels during the winter months of November and December. Visitors and residents are advised to take extra precautions during the high-risk months by wearing protective clothing, applying sunscreen frequently, and seeking shade to minimize the risk of UV-related harm.

Monthly Maximum UV Index for Roseau, United States

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

The table above highlights how UV exposure in Roseau 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.

Roseau'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
Roseau	2	3	5	7	8	9	8	8	7	4	2	1
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