Yosemite Valley, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Yosemite Valley for July is 66.9 degrees
The lowest monthly average temperature in Yosemite Valley for January is 27.6 degrees
The most monthly precipitation in Yosemite Valley occurs in January with 13 inches
The air quality index in Yosemite Valley is 7% better than the national average
The pollution index in Yosemite Valley is 59% better than the national average

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Yosemite Valley Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	14°F	44°F	28°F	13.0"
February	18°F	46°F	31°F	0.6"
March	24°F	53°F	38°F	1.5"
April	28°F	59°F	43°F	1.5"
May	35°F	66°F	51°F	1.8"
June	43°F	77°F	61°F	7.0"
July	47°F	83°F	67°F	1.6"
August	46°F	82°F	65°F	0.7"
September	40°F	76°F	59°F	1.1"
October	30°F	65°F	47°F	4.7"
November	22°F	54°F	36°F	4.9"
December	15°F	45°F	29°F	4.1"

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Yosemite Valley air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Yosemite Valley	California	National
Air quality index	39	55	42
Pollution index	1,108,380	10,473,190	2,726,193

Yosemite Valley air quality information

Measurement	Total
Days measured	365
Days with good air quality	331
Days with moderate air quality	33
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality

Yosemite Valley air quality information

Pollutant	Total
Arsenic	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.000%

Average monthly Yosemite Valley temperature with heat index

Yosemite Valley monthly precipitation with daily maximum

Yosemite Valley monthly snow depth with daily maximum

Yosemite Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
El Portal, CA	271	39	22.0%
Wawona, CA	166	50	= 100
Yosemite Valley, CA	1,213	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Fairacres, NM	1,213	51	2.0%
Great Neck Gardens, NY	1,213	51	2.0%
Hallstead, PA	1,213	38	24.0%
Pleak, TX	1,213	52	4.0%
Saint-Jude, QC	1,213	n/a
Yosemite Valley, CA	1,213	39	22.0%

Source: The Yosemite Valley, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.