UV Index in Richardton, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Richardton, United States, where the Dfb climate can lead to varying UV exposure throughout the day. Being aware of your local UV levels is essential to prevent sunburn and promote overall skin health, especially during peak sun hours when the UV Index can reach as high as 9 around noon. With Richardton's sunny days, knowing when to take protective measures helps ensure you enjoy the outdoors safely, making UV Index awareness a vital part of everyday life.

Hourly UV Index in Richardton

The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	9	very high	15 min
14:00	9	very high	15 min
15:00	7	high	25 min
16:00	5	moderate	30 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Richardton

Throughout the year, the UV Index exhibits significant seasonal variations, with the most substantial risk occurring from April to August. During this period, the UV Index peaks at 9, indicating a very high exposure category and a burn time of merely 15 minutes. In contrast, the winter months of January and December present a low exposure category with a UV Index of 2, allowing for a burn time of 45 minutes. Residents and visitors are advised to take precautionary measures especially during high-risk months, including wearing protective clothing, applying sunscreen, and seeking shade during peak sun hours. It’s essential to remain vigilant of UV levels transitioning from moderate (UV Index 4-5) in late winter and early fall, to high (UV Index 6-7) in early autumn, ensuring year-round awareness of the sun’s impact on skin health.

Monthly Maximum UV Index for Richardton, United States

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

The table above highlights how UV exposure in Richardton 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.

Richardton'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
Richardton	2	4	5	9	8	9	9	9	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