UV Index in Armstrong, United States

Last updated: July 2, 2025

In Armstrong, United States, understanding the UV Index is crucial for safeguarding your skin from harmful sun exposure. As the sun rises higher, UV levels can soar, especially during peak hours between 11 AM and 2 PM when a UV Index of 9 to 10 indicates a high risk of harm from unprotected sun exposure. This is particularly important in Armstrong's Dfa climate, where warm summers can lead to increased UV radiation. By staying informed about daily UV levels, residents can take proactive steps to prevent sunburns and long-term skin damage, ensuring their outdoor activities remain safe and enjoyable.

Hourly UV Index in Armstrong

As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!

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	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	9	very high	15 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Armstrong

As the seasons change, so do UV levels, influencing sun exposure risks throughout the year. From January to March, the UV Index is moderate, peaking at 5, where the typical burn time is 30 minutes. April through August marks the high-risk period, characterized by very high UV Index readings of 8 to 10, significantly reducing burn time to just 15 minutes. This makes April to August the months requiring the most careful sun protection measures. September to November sees a return to moderate levels, with the UV Index dropping back to 3 to 5 and a burn time of 30 minutes. Visitors and residents should prioritize sun safety during the peak summer months, utilizing sunscreen, protective clothing, and seeking shade whenever possible to minimize their risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Armstrong, United States

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

The table above highlights how UV exposure in Armstrong 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.

Armstrong'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
Armstrong	3	5	5	8	9	10	10	9	8	5	3	3
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