UV Index in Seward, United States

Last updated: June 2, 2025

In Seward, Alaska, awareness of the UV Index is crucial for maintaining healthy skin and preventing sunburn, especially during the long summer days. Understanding UV levels can help you make informed decisions about sun exposure, ensuring that you protect yourself and your loved ones from harmful rays. With a Dfc climate, Seward experiences notable variations in UV exposure, peaking at a UV Index of 6 during midday hours. As you enjoy the stunning coastal landscapes, remember that even on overcast days, UV radiation can still impact your skin health; staying informed about the UV Index is your best defense.

Hourly UV Index in Seward

The UV Index for the day presents a dynamic landscape of sun exposure, beginning gently at 1 in the early hours, perfect for those taking a leisurely morning stroll. As the sun climbs higher, the intensity escalates, peaking at 6 between 1:00 PM and 3:00 PM—ideal for sun-seekers who enjoy it hot! Attendees at outdoor activities should take precautionary measures during this window, such as applying sunscreen and wearing protective clothing. As afternoon transitions to evening, the UV Index gradually tapers off, settling back to a more manageable 2 by 7:00 PM. Remember, moderation is key to enjoying the sun safely!

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	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	5	moderate	30 min
13:00	6	high	25 min
14:00	6	high	25 min
15:00	6	high	25 min
16:00	5	moderate	30 min
17:00	4	moderate	30 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Seward

The UV Index shows a clear seasonal variation, with exposure levels peaking during the warmer months. High-risk months for UV exposure occur from May to August, with indices reaching 6 to 7 and burn times as short as 25 minutes. March and April see moderate levels of UV at indices 3 and 4, while the rest of the year, from October to February, presents low UV exposure with longer burn times of up to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months by using sunscreen, wearing protective clothing, and seeking shade, especially during peak sunlight hours. Maintaining awareness of the UV Index can help ensure enjoyable and safe outdoor activities year-round.

Monthly Maximum UV Index for Seward, United States

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

The table above highlights how UV exposure in Seward 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.

Seward'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
Seward	1	2	3	4	6	6	7	6	4	2	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