UV Index in Pullman, United States

Last updated: July 2, 2025

Awareness of the UV Index is crucial for residents of Pullman, United States, where the Csb climate brings varying levels of sun exposure throughout the day. Understanding UV levels is essential for effective sunburn prevention and maintaining overall skin health. Typically peaking at a UV Index of 10 around noon, Pullman's sun intensity poses risks, particularly during the summer months. By monitoring the UV Index, you can take proactive measures to protect your skin and enjoy the outdoors safely.

Hourly UV Index in Pullman

As the sun rises, the UV Index starts its ascent, with a gentle 1 at 07:00. By 08:00, it begins to climb, reaching 2, signaling a reminder to take care. The real intensity kicks in at 10:00, where the index peaks at 6, escalating to a scorching 9 by noon. The hottest moment arrives at 13:00, showcasing a dramatic 10—a level that demands serious sun protection. Although the UV level begins to drop after this peak, it remains notable; at 14:00, it settles at 9, then declines gently, hitting 3 by 17:00. As daylight fades towards the evening, it tapers off to 2 at 18:00 and finally returns to a safe 1 by 19:00. It's a vivid reminder of the sun's power throughout the day!

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	10	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 Pullman

Throughout the year, UV Index values exhibit significant seasonal variations, reflecting changes in sun exposure risk. January and December showcase the lowest UV levels (Index 2), categorized as low, with longer burn times of 45 minutes. As the year progresses, UV levels rise sharply; April sees a high index of 7, while May and June peak at 9, indicating a very high risk with an alarming burn time of just 15 minutes. The highest risk month is July, with a peak UV index of 10. As summer wanes, UV levels gradually decrease, with September reverting to a high risk of 7 and returning to a moderate index in October and November. Visitors and residents should be particularly vigilant from April to August, applying sunscreen frequently and seeking shade during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Pullman, United States

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

The table above highlights how UV exposure in Pullman 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.

Pullman'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
Pullman	2	4	5	7	9	9	10	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