UV Index in Shannon, United States

Last updated: July 2, 2025

Understanding the UV Index in Shannon, United States is crucial for protecting your skin and promoting overall health. With the region's Cfa climate, the risk of UV exposure can fluctuate significantly throughout the day, peaking at a notable 11 around midday. Being aware of these levels is vital for preventing sunburn and long-term skin damage, as high UV ratings can lead to serious health issues. By learning how to read and respond to the UV Index, you can enjoy the sunny days in Shannon while keeping your skin safe and healthy.

Hourly UV Index in Shannon

The UV Index for the day reflects a dynamic shift in solar intensity as the hours progress. Starting off at a mild 1 at 07:00, the index gradually climbs, hitting 2 by 09:00. A noticeable surge occurs between 10:00 and 12:00, where it peaks at an impressive 9. The hottest moments arrive at 13:00 and 14:00, reaching a maximum of 11, indicating a high risk for sun exposure. As the afternoon wanes, the UV levels gently decline, dropping to 5 by 17:00 and further down to 1 by 19:00. Be sure to take precautions during the midday hours to protect your skin from potential harm!

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	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	11	extreme	10 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 Shannon

Throughout the year, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk. The highest risk months are from May to August, when the UV Index peaks at an extreme level of 11, allowing for a burn time of just 10 minutes. Notably, March and April also present high risks with indices reaching 8 and 10, respectively. Conversely, the winter months of January and December have a moderate UV Index of 4, with longer burn times of 30 minutes. To protect yourself during high UV months, it is essential for both visitors and residents to apply sunscreen regularly, wear protective clothing, and seek shade during peak sun hours, particularly from late spring through summer.

Monthly Maximum UV Index for Shannon, United States

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

The table above highlights how UV exposure in Shannon 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.

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