UV Index in Vernonia, United States

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Vernonia, United States, as it provides essential information about the sun's intensity and potential risks associated with overexposure. With UV levels peaking around 10 in the early afternoon, awareness of these fluctuations can significantly aid in sunburn prevention and promote better skin health. Given Vernonia's cool-summer Mediterranean climate, even on cloudy days, UV radiation can still pose a threat, making it vital to stay informed and protect your skin from harmful effects.

Hourly UV Index in Vernonia

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 Vernonia

Throughout the year, seasonal changes in UV exposure highlight the importance of sun safety for both visitors and residents. The high-risk months are from April to August, where the UV Index peaks at 9 to 10, indicating very high exposure levels and corresponding burn times of just 15 minutes. During these months, it's crucial to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak hours. Conversely, January, December, and November experience significantly lower UV levels with low to moderate exposure, allowing for safer outdoor activities with longer burn times. As the seasons shift, staying informed and adapting one's sun safety practices is essential for overall well-being.

Monthly Maximum UV Index for Vernonia, United States

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

The table above highlights how UV exposure in Vernonia 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.

Vernonia'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
Vernonia	2	3	5	7	9	10	10	8	7	5	3	2
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