UV Index in Squaw Valley, United States

Last updated: June 2, 2025

In Squaw Valley, United States, awareness of the UV Index is crucial for maintaining skin health, especially given the region's sunny climate. Understanding UV levels can help residents and visitors alike prevent sunburn and mitigate long-term skin damage. With UV levels peaking at an intense 11 around midday, the potential for overexposure is significant, making it essential to plan outdoor activities with caution. By monitoring the UV Index, you can enjoy the beautiful mountain scenery while protecting your skin from harmful rays.

Hourly UV Index in Squaw Valley

The UV Index today showcases a striking pattern of intensity as the sun rises. Starting off at a mild 1 at 7:00 AM, the index climbs steadily, reaching 2 by 8:00 AM. A significant jump occurs at 9:00 AM, where it escalates to 4, setting the stage for a blazing midday. The peak sun exposure arrives at 12:00 PM with a scorching 11, persisting through 1:00 PM to 3:00 PM, indicating extreme UV levels. As the afternoon wanes, a gradual decline brings the index down to 9 by 3:00 PM, then gently descending to 4 by 5:00 PM. By evening, the sun's intensity fades to 2 at 6:00 PM and finally settles back to 1 at 7:00 PM. It's clear: today calls for sun safety measures during 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	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 Squaw Valley

Seasonal changes in UV exposure are significant, with increasing UV Index values from January through August, peaking in July at an extreme UV Index of 12. High-risk months for sun exposure are March through August, where the UV Index often exceeds 8, indicating very high to extreme levels of UV radiation. Visitors and residents are advised to take precautions during these months, including wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. In contrast, the fall and winter months (September to December) see a decline in UV levels, with moderate Index values, allowing for safer outdoor activities, though sun safety should still be practiced.

Monthly Maximum UV Index for Squaw Valley, United States

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

The table above highlights how UV exposure in Squaw Valley 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.

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