UV Index in Shannon, United States

Last updated: May 3, 2025

In Shannon, United States, staying informed about the UV Index is crucial for safeguarding your skin health. Understanding UV levels helps you take proactive measures against sunburn and long-term skin damage, especially during peak hours when UV rays are strongest. With a Dfa climate, Shannon typically experiences a mix of hot summers and cold winters, which can affect UV exposure throughout the year. As the UV Index reaches a maximum of 9 during midday, it’s essential to be aware of these risks and take appropriate precautions to enjoy the outdoors safely.

Hourly UV Index in Shannon

The UV Index today presents a notable climb as the sun ascends, peaking at 9 around noon and early afternoon, signaling very high sun exposure risk. Starting gently at 1 by 7 AM, the index rises steadily, reaching 6 by 10 AM and then surging to its maximum of 9 between 12 PM and 1 PM. Early afternoon brings a slight decline to 8 at 2 PM, followed by a gradual decrease through the later hours, settling back to 1 by 7 PM. With this trajectory, it's crucial to take precautions during the peak hours of 11 AM to 1 PM, ensuring skin protection against harmful UV rays. Stay safe and enjoy the sun wisely!

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	9	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 Shannon

Throughout the year, the UV Index experiences significant fluctuations, with the highest risk of harmful exposure occurring from March to September. During this peak season, particularly in April through August, the UV Index reaches levels of 8 to 10, categorizing exposure as very high and reducing the burn time to just 15 minutes. Conversely, the winter months see much lower UV levels; for instance, January and February maintain a moderate index of 3 and 4, while December drops to a low level of 2. Visitors and residents are advised to take extra precautions during high-risk months, especially by wearing sunscreen, protective clothing, and seeking shade when outdoors to minimize the risk of skin damage.

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
Shannon	3	4	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