UV Index in Nellysford, United States

Last updated: August 1, 2025

In Nellysford, United States, being aware of the UV Index is crucial for ensuring your skin health and preventing sunburn. As the warmth of summer envelops this charming town, understanding UV levels becomes increasingly important; with midday readings peaking at 10, the risk of harm from overexposure to sunlight is significant. The Cfa climate here means long, sunny days, making it essential for residents and visitors alike to stay informed about UV risks. By knowing when to seek shade and apply sunscreen, you can enjoy all that Nellysford has to offer while protecting your skin from harmful ultraviolet rays.

Hourly UV Index in Nellysford

Throughout the day, the UV Index exhibits a remarkable rise, peaking at 10 between 12:00 PM and 2:00 PM, indicating a high risk of harm from unprotected sun exposure. Starting the morning at a mere 1 at 7:00 AM, the index steadily climbs as the sun ascends, hitting 5 by 10:00 AM and rapidly accelerating to 8 by 11:00 AM. After reaching its zenith at noon, the readings gradually decline through the afternoon, dropping to 4 by 5:00 PM and falling further to 1 by 7:00 PM. It's clear that careful sun protection is essential during the midday hours when the sun's strength is at its most intense.

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	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	10	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 Nellysford

Throughout the year, the UV Index exhibits notable seasonal changes, with the highest levels occurring from April to September. Visitors and residents should be particularly cautious during the summer months—specifically May, June, July, and August—when the UV Index reaches its peak at 10, signifying a very high exposure category and a burn time of only 15 minutes. Conversely, the UV Index decreases significantly in January and December, where it falls to a moderate level of 3, allowing for a safer burn time of 30 minutes. As a general guideline, during high UV Index months, it is advisable to wear protective clothing, apply sunscreen regularly, and limit outdoor activities during peak sun hours to prevent skin damage.

Monthly Maximum UV Index for Nellysford, United States

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

The table above highlights how UV exposure in Nellysford 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.

Nellysford'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
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
Nellysford	3	6	7	9	10	10	10	10	9	7	5	3
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