UV Index in Palouse, United States

Last updated: June 2, 2025

In the heart of the scenic Palouse, United States, staying informed about the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels helps residents and visitors alike to prevent sunburns and reduce the long-term risks of skin damage. With a Csb climate, Palouse can experience higher UV exposure during midday hours, peaking at a UV Index of 9 between noon and 2 PM. Being aware of these levels allows you to take proactive measures to enjoy the beautiful outdoors safely.

Hourly UV Index in Palouse

The UV Index throughout the day presents a clear pattern of intensity, peaking at midday. Starting from a mild level of 1 at 07:00, the index rises steadily, reaching 2 by 08:00. The real surge occurs between 09:00 and 13:00, where it escalates from 4 to a striking 9—the highest point of the day. As the afternoon unfolds, the intensity slightly declines to 7 at 15:00, before tapering off to 5 at 16:00. The evening sees a further decrease, settling back to 2 by 18:00 and returning to 1 at 19:00. For those enjoying outdoor activities, it’s essential to take precautions, especially during the peak hours from 11:00 to 14:00 when the UV rays are most potent.

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	9	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 Palouse

Throughout the year, UV Index levels exhibit significant seasonal changes that affect sun exposure risks. High-risk months occur from April to August, when the UV Index peaks at 10 in July and remains very high between 8 and 9 during May, June, and August. This translates to shorter burn times of just 15 minutes during these months, necessitating protective measures. In contrast, from January to March and October to November, the UV levels are lower, with burn times extending from 30 to 45 minutes. Visitors and residents are advised to be vigilant during high UV Index months by wearing adequate sun protection, including sunscreen, hats, and protective clothing, particularly during midday hours when UV exposure is most intense. As the UV Index decreases during the late fall and winter months, sun safety remains important, although the risk is significantly reduced.

Monthly Maximum UV Index for Palouse, United States

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

The table above highlights how UV exposure in Palouse 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.

Palouse'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
Palouse	2	4	5	7	8	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