UV Index in Harrisville, United States

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Harrisville, United States, where sunny days can quickly escalate the risk of sunburn and long-term skin damage. With a Mediterranean climate, Harrisville experiences significant UV exposure, particularly during peak hours when levels can reach as high as 10 from noon to 2 PM. By staying informed about the UV levels throughout the day, individuals can take necessary precautions to protect their skin, ensuring healthy outdoor enjoyment while minimizing the risk of harmful effects from the sun's rays. Remember, awareness is the first step to safeguarding your skin health!

Hourly UV Index in Harrisville

The UV Index data for the day reveals a notable rise in solar intensity, peaking at 10 between 1:00 PM and 2:00 PM. Starting from a gentle 1 at 7:00 AM, the index steadily climbs as the sun ascends, reaching a moderate 5 by 10:00 AM, and then surging to 9 at 12:00 PM. As the clock strikes 1:00 PM, the maximum UV Index of 10 alerts outdoor enthusiasts to take precautions. After this peak, a gradual decline begins, dropping to 4 by 5:00 PM, and the day winds down with readings back to 1 by 7:00 PM. Monitoring these fluctuations is essential for enjoying the sunshine 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	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	10	very high	15 min
15:00	9	very high	15 min
16:00	7	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 Harrisville

Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from March to September. During these months, particularly in April through July, the UV index reaches notably high levels, peaking at 11, which indicates extreme exposure risks and a quick burn time of just 10 minutes. As the seasons shift, visitors and residents should be particularly vigilant from May to August, when protective measures such as sunscreen, hats, and seeking shade are essential to prevent skin damage. In contrast, January, November, and December present a moderate UV index of 3-4, allowing for longer burn times of 30 minutes, though sunscreen should still be applied. Staying informed about these UV changes can help ensure safe outdoor activities year-round.

Monthly Maximum UV Index for Harrisville, United States

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

The table above highlights how UV exposure in Harrisville 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.

Harrisville'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
Harrisville	3	5	7	9	10	11	11	10	9	6	4	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