UV Index in Squaw Valley, United States

Last updated: July 2, 2025

Understanding the UV Index in Squaw Valley, United States is crucial for safeguarding your skin and overall health. With high UV levels reaching a peak of 12 between 1 PM and 2 PM, awareness of sun exposure can help you prevent uncomfortable sunburns and long-term skin damage. The Mediterranean climate in Squaw Valley brings warm, sunny days, which can lead to elevated UV risks, especially during the summer months. By keeping an eye on the UV Index, you can enjoy the stunning outdoor activities in this beautiful region while protecting yourself from harmful rays.

Hourly UV Index in Squaw Valley

Throughout the day, the UV Index displayed a dynamic pattern, peaking at an intense 12 around 1 PM. Starting off gently at 1 by 7 AM, it climbed steadily, reaching 9 by 11 AM, a clear sign to take precautions. As the sun approached its zenith, the index swelled to its maximum at 12 PM, emphasizing the importance of sun safety. Following the midday peak, the index gradually decreased, dropping to 9 by 3 PM, then tapering off further to 2 by 6 PM and 1 by 7 PM. This data underscores the significance of shielding oneself from the sun's harmful rays during the day, especially when the UV Index is at its highest.

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	12	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