UV Index in Susanville, United States

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Susanville, United States, where the climate can significantly influence sun exposure. With typical UV levels peaking during the midday hours, awareness of these levels is vital for preventing sunburn and promoting long-term skin health. Susanville’s Csb climate means sunny days are common, which, while delightful, can lead to higher UV risks, especially when the index reaches an intense level of 11 in the early afternoon. By staying informed about the UV Index, you can take proactive measures to protect your skin and enjoy the outdoors safely.

Hourly UV Index in Susanville

The UV Index today paints a vivid picture of solar intensity, peaking dramatically between 12:00 PM and 2:00 PM with a striking 11—a warning to seek shade and protect skin. Starting the day at a gentle 1 at 7:00 AM, the index gradually climbs, reaching 4 by 9:00 AM and escalating to 9 by 11:00 AM. As the sun reaches its zenith, the index hits 11, indicating extreme conditions that persist for a solid three hours. Following this midday blast, it gracefully declines to 6 by 4:00 PM, before tapering off to a safer 1 by the evening. Remember to stay sun-smart 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	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	11	extreme	10 min
15:00	9	very high	15 min
16:00	6	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 Susanville

Throughout the year, the UV Index exhibits significant seasonal variations, peaking during the summer months. High-risk months include March through August, where the UV Index reaches values classified as very high to extreme. Specifically, May and June present the highest risk, with a UV Index of 11 to 12, resulting in a dangerously short burn time of just 10 minutes. To protect against UV exposure, it is crucial for visitors and residents to take preventive measures during these peak periods. This includes seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen. In contrast, the winter months (January, November, and December) generally have a moderate UV Index, where exposure risks are lower, but caution is still advised.

Monthly Maximum UV Index for Susanville, United States

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

The table above highlights how UV exposure in Susanville 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.

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