UV Index in Collbran, United States

Last updated: June 2, 2025

Understanding the UV Index in Collbran, United States is crucial for maintaining skin health and preventing sunburn, especially given the town's Dfb climate, which offers a mix of warm summers and cold winters. With peak UV levels soaring to 12 around midday, it’s essential for residents and visitors alike to be vigilant about sun safety. By monitoring UV exposure, you can effectively shield yourself from harmful rays, ensuring enjoyable outdoor activities without the risk of skin damage. As you navigate Collbran's sunny days, remember that being UV-aware is key to protecting your skin while enjoying all that this beautiful area has to offer.

Hourly UV Index in Collbran

As the sun climbs higher in the sky, the UV Index undergoes a dramatic shift throughout the day. Starting at a modest 1 by 07:00, it quickly gains momentum, reaching 2 by 08:00. By 09:00, it hits 4, but the real surge begins as we approach midday; at 10:00, it spikes to 7, culminating in a peak of 12 from 12:00 to 14:00. This high level of UV radiation calls for caution, especially for outdoor activities. As the afternoon progresses, the index gradually decreases, dipping to 10 at 15:00, before winding down to 4 by 17:00, and finally retreating to 1 by 19:00 as the day comes to a close. Remember to protect your skin during those peak hours!

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	7	high	25 min
11:00	10	very high	15 min
12:00	12	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 Collbran

The UV Index exhibits significant seasonal variation, with high-risk months primarily occurring from March to August. During this period, UV levels reach very high to extreme categories, peaking at 12 in June, July, and August, where the burn time is as short as 10 minutes. In contrast, January and December present a more moderate exposure with an Index of 4, allowing for a burn time of 30 minutes. Residents and visitors are advised to take extra precautions during high-risk months by applying sunscreen, wearing protective clothing, and seeking shade, particularly between noon and 4 PM when UV rays are most intense. Regular monitoring of the UV Index is essential to safely enjoy outdoor activities throughout the year.

Monthly Maximum UV Index for Collbran, United States

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

The table above highlights how UV exposure in Collbran 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.

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