UV Index in Rifle, United States

Last updated: July 2, 2025

Understanding the UV Index is essential for residents and visitors of Rifle, Colorado, where the prevailing Dfb climate offers ample sunshine and clear skies throughout the year. Being aware of UV levels helps in preventing sunburn and maintaining overall skin health—crucial aspects for outdoor enthusiasts and families alike. With UV levels peaking at a significant 12 around midday, it's important to take precautions, particularly during the warmer months when exposure risks rise. Stay informed and enjoy the beautiful Colorado outdoors safely by keeping an eye on the UV Index!

Hourly UV Index in Rifle

Starting your day early pays off with a gentle UV Index of 1 at 7 AM, gradually climbing to 2 by 8 AM. As the sun continues to rise, the intensity spikes significantly, reaching a moderate 4 at 9 AM. By 10 AM, it's time to pay attention, as the UV Index soars to 6. The peak comes at 12 PM, where a high of 11 is reached, indicating a need for sun protection. The afternoon remains intense, with values sticking at 12 from 1 PM to 2 PM, before tapering off to 10 at 3 PM. The evening ushers in relief, with readings dropping to 4 by 5 PM, and winding down to 1 at 7 PM. It’s crucial to stay mindful of the sun's strength during midday hours, ensuring your skin stays protected as you enjoy the great outdoors!

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	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Rifle

Throughout the year, UV exposure varies significantly, with the highest risk months occurring from March to August when the UV Index reaches extreme levels (12 to 13) and the burn time is as little as 10 minutes. In contrast, January and December show a moderate UV Index of 4, allowing for a safer 30-minute exposure without sunburn risk. Visitors and residents are strongly advised to take extra precautions during the spring and summer months, including using sunscreen, wearing protective clothing, and seeking shade during peak hours, especially in April and June when UV levels are at their highest. As the year progresses into the fall and winter, UV levels decrease, but individuals should remain vigilant, particularly in early spring when levels begin to rise again.

Monthly Maximum UV Index for Rifle, United States

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

The table above highlights how UV exposure in Rifle 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.

Rifle'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
Rifle	4	6	9	12	12	13	12	12	10	7	5	4
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5