UV Index in Guymon, United States

Last updated: July 2, 2025

In Guymon, United States, staying aware of the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. Understanding UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. With Guymon's semi-arid BSk climate, residents face unique challenges, especially during the peak UV times around noon when levels can soar to 11 and 12. By being mindful of the UV Index, you can enjoy the sunshine while minimizing the risks associated with high UV exposure.

Hourly UV Index in Guymon

As the sun rises, the UV Index gradually climbs, starting at a gentle 1 by 07:00 and 08:00. By 09:00, it nudges up to 2, signaling a modest increase in UV exposure. The real action begins at 10:00, soaring to 4, before hitting its peak during the midday hours. At 12:00, the intensity reaches 10, and just a short hour later, it peaks at an impressive 12 from 14:00! As the afternoon progresses, the UV Index begins to taper off; by 16:00, it drops to 8, and continues to diminish to 3 by 18:00, wrapping up a day of dynamic sun exposure moments. Be sure 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	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	10	very high	15 min
13:00	11	extreme	10 min
14:00	12	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Guymon

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the summer months of May to August, where it reaches extremes of 11 to 12. The highest risk occurs in May, June, and July, with burn times as short as 10 minutes under these conditions. March and April also present considerable UV exposure, categorized as very high, with burn times of just 15 minutes. Visitors and residents should exercise caution from late winter through summer, especially during these high-risk months, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly to minimize the risk of skin damage. As the season transitions into fall and winter, UV levels decrease, offering more moderate exposure from October to December.

Monthly Maximum UV Index for Guymon, United States

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

The table above highlights how UV exposure in Guymon 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.

Guymon'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
Guymon	4	6	8	10	11	12	12	11	10	7	5	3
Houston UVI	5	8	9	11	11	12	12	11	10	9	7	5