UV Index in Shell Lake, United States

Last updated: May 3, 2025

In Shell Lake, United States, awareness of the UV Index is essential to safeguard your skin health under the sun. Understanding UV levels is crucial for preventing sunburn and reducing the risk of long-term skin damage. With a Dfb climate—characterized by warm summers and cold winters—Shell Lake experiences varying UV exposure, particularly peaking during midday with values reaching up to 9. Staying informed about these UV levels helps you make better decisions on sun protection, ensuring you enjoy the outdoors safely.

Hourly UV Index in Shell Lake

The UV Index throughout the day presents a clear ascent and descent in sun exposure. Starting at a minimal level of 1 at 07:00, the index gradually climbs to reach its peak of 9 at 13:00, signaling the highest risk for sun damage. From 10:00 onward, the intensity surges, hitting 8 at noon and then slightly decreasing in the afternoon to 7 at 15:00. As the sun begins its descent, the UV Index tapers off, dropping to 2 by 18:00 and finally returning to 1 by 19:00. Be mindful and consider protective measures during the midday hours when UV exposure 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	5	moderate	30 min
11:00	6	high	25 min
12:00	8	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 Shell Lake

The UV Index exhibits significant seasonal changes, with the highest levels occurring from April to August. During this peak period, particularly in May and June, the UV Index reaches 10 and 9, categorized as very high, indicating a burn time of only 15 minutes. Visitors and residents should pay special attention to April through August as these months represent the highest risk for UV exposure. In contrast, January, December, and November show much lower UV levels, categorized as low or moderate, allowing for longer exposure times of 30 to 45 minutes without significant risk. It is advisable for individuals to seek shade, wear protective clothing, and apply sunscreen, particularly during the high-risk months from April to August, to minimize the chance of skin damage.

Monthly Maximum UV Index for Shell Lake, United States

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

The table above highlights how UV exposure in Shell Lake 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.

Shell Lake'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
Shell Lake	2	4	5	7	9	10	9	9	7	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