UV Index in Klawock, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Klawock, United States, as it plays a vital role in protecting your skin and overall health. With the potential for high UV levels during peak hours, being aware of these fluctuations helps in preventing sunburn and reducing long-term skin damage. Klawock’s climate, characterized by its cool oceanic conditions (Cfb), still presents exposure risks, especially between 11 AM to 2 PM, when UV Index values reach a maximum of 7. Stay informed and safe to enjoy the beautiful Alaskan outdoors while safeguarding your skin!

Hourly UV Index in Klawock

The UV Index data illustrates a dynamic daily fluctuation in sun intensity. Starting the day at a gentle 1 at 7:00 AM, the UV exposure gradually increases, peaking at 7 between 1:00 PM and 2:00 PM—the optimal time for sun safety precautions. After this peak, the index steadily declines, returning to a mild 1 by 7:00 PM. The highest readings at 11:00 AM and 12:00 PM emphasize the need for protective measures during the midday hours. Plan your outdoor activities wisely to enjoy the sunshine while staying protected.

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	6	high	25 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	5	moderate	30 min
16:00	4	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 Klawock

Throughout the year, UV exposure varies significantly, with notable peaks during the summer months. From January to February, the UV Index remains low (1-2), allowing for a safe burn time of 45 minutes with minimal risk. As we transition into March and April, UV levels rise to moderate (3-4), which decreases burn time to 30 minutes. The high-risk months are from May to August, peaking in July with a UV Index of 8 and a crucial burn time of just 15 minutes. During this period, visitors and residents are advised to take extra precautions, such as seeking shade, applying sunscreen frequently, and wearing protective clothing. In September and October, the UV Index decreases back to moderate levels, allowing for a burn time of 30 minutes before returning to low risk in November and December. It’s essential to stay vigilant during the summer months to protect your skin from harmful UV rays.

Monthly Maximum UV Index for Klawock, United States

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

The table above highlights how UV exposure in Klawock 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.

Klawock'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
Klawock	1	2	3	4	6	7	8	7	5	3	1	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