UV Index in Hoonah, United States

Last updated: June 2, 2025

In Hoonah, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding UV levels is essential to prevent sunburn and long-term skin damage, especially during the sunniest hours of the day. With a climate classified as Dfc, Hoonah experiences distinct seasonal variations, which can influence UV exposure. On peak sunny days, the UV Index can reach as high as 6 around noon, indicating a moderate risk for harm from unprotected sun exposure. Being aware of these levels empowers residents and visitors to enjoy the natural beauty of Hoonah safely while minimizing the risk of UV-related health issues.

Hourly UV Index in Hoonah

The UV Index throughout the day presents a clear peak in intensity, rising steadily from a gentle 1 at 07:00 to an assertive maximum of 6 between 12:00 and 14:00. This midday surge emphasizes the importance of sun protection, as the index then gracefully descends back to 1 by 19:00. From 08:00 to 11:00, values increase moderately, showcasing an inviting morning glow, while midday hours certainly warrant caution as the sun reaches its zenith. After 15:00, a gradual decline signals a retreat of UV intensity, allowing a more relaxed late afternoon. Armed with this timely information, outdoor enthusiasts can plan their activities with sun safety in mind!

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	5	moderate	30 min
12:00	6	high	25 min
13:00	6	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 Hoonah

Throughout the year, the UV Index experiences notable seasonal fluctuations, with significant risks occurring during the summer months. From May to August, the UV Index reaches its peak, indicating high exposure levels (UV Index 6-7) and a burn time of only 25 minutes. March and April show a transition with moderate exposure (UV Index 3-5), while January, February, November, and December offer low exposure (UV Index 1-2) and much longer burn times of 45 minutes. Visitors and residents are advised to take precautions during the high-risk months of May to August by wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Hoonah, United States

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

The table above highlights how UV exposure in Hoonah 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.

Hoonah'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
Hoonah	1	2	3	5	6	6	7	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