UV Index in Hoonah, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Hoonah, United States, where the unique climate can lead to varying levels of UV exposure throughout the day. This index serves as an essential tool for sunburn prevention and maintaining healthy skin, as it highlights the intensity of ultraviolet radiation at specific times. Hoonah, characterized by its Dfc climate, can present notable UV risks, especially during midday when levels peak at 7. By staying informed about the UV Index, you can take proactive measures to protect yourself from harmful sun exposure and enjoy the beautiful Alaskan outdoors safely.

Hourly UV Index in Hoonah

As the day unfolds, the UV Index experiences a steady climb, reaching its peak at 12:00 PM with a striking 7. The morning begins gently, with values starting at 1 at 07:00, gradually rising to 3 by 09:00. As the sun ascends higher, the index swells to 6 by 11:00 and peaks at 7 between 12:00 and 14:00, indicating strong sun exposure. Post-peak, the UV Index gracefully descends, slipping back to 6 at 15:00 and tapering off to 1 by 19:00. It's essential to stay mindful of sun protection, especially during those peak hours!

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	7	high	25 min
13:00	7	high	25 min
14:00	7	high	25 min
15:00	6	high	25 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