UV Index in Rangely, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Rangely, United States, where the combination of a semi-arid climate and high summer sun can elevate exposure risks. Awareness of UV levels is vital for effective sunburn prevention and maintaining long-term skin health. With peak UV readings soaring to 12 during midday hours, it’s essential for locals and visitors alike to protect themselves from the sun's harmful rays while enjoying the beautiful outdoors. Stay informed and enjoy Rangely safely!

Hourly UV Index in Rangely

The UV Index rises sharply as the day unfolds, starting gently at 1 by 7:00 AM. As the sun climbs higher, it reaches 2 by 8:00 AM and then jumps to 4 by 9:00 AM. The intensity peaks around midday, hitting a striking 11 at 12:00 PM, followed closely by a maximum of 12 from 1:00 PM to 2:00 PM. In the afternoon, the index begins to decline, dropping to 10 by 3:00 PM and further down to 5 by 5:00 PM. As daylight wanes, the value lowers to 1 by 7:00 PM, indicating a rapid decrease in UV exposure. This cyclical pattern highlights the importance of sun protection during peak hours, especially between 11:00 AM and 2:00 PM when the UV Index is highest.

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

Monthly UV Index Trends in Rangely

Throughout the year, the UV Index experiences significant fluctuations, with the highest risks occurring from April to August. During this period, UV levels reach their peak at 11-12, categorized as extreme, resulting in a minimal burn time of just 10 minutes. As such, March and September also present very high UV risks, necessitating caution with a burn time of 15 minutes. Meanwhile, the months of January, December, and February generally see moderate to high levels, with burn times of 25-30 minutes. Visitors and residents are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during the high-risk months of May through August.

Monthly Maximum UV Index for Rangely, United States

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

The table above highlights how UV exposure in Rangely 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.

Rangely'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
Los Angeles UVI	4	6	8	9	10	11	11	10	10	7	5	4
Rangely	4	7	8	10	11	12	12	11	10	7	6	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5