Little Grass Valley, CA Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.	336 11.3

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Weather Quick Facts

The highest monthly average temperature in Little Grass Valley for July is 70.9 degrees
The lowest monthly average temperature in Little Grass Valley for December is 39.2 degrees
The most monthly precipitation in Little Grass Valley occurs in December with 11.7 inches
The air quality index in Little Grass Valley is 9% worse than the national average
The pollution index in Little Grass Valley is 34% better than the national average

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Little Grass 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	35°F	49°F	41°F	7.8"
February	35°F	47°F	40°F	8.4"
March	36°F	49°F	41°F	10.1"
April	38°F	54°F	45°F	5.7"
May	46°F	62°F	53°F	3.7"
June	55°F	71°F	62°F	1.4"
July	64°F	79°F	71°F	0.1"
August	63°F	79°F	70°F	0.1"
September	58°F	74°F	65°F	1.4"
October	48°F	63°F	54°F	4.8"
November	40°F	53°F	46°F	7.3"
December	34°F	46°F	39°F	11.7"

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Little Grass 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	Little Grass Valley	California	National
Air quality index	46	55	42
Pollution index	1,799,830	10,473,190	2,726,193

Little Grass Valley air quality information

Measurement	Total
Days measured	365
Days with good air quality	224
Days with moderate air quality	136
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	2

Little Grass Valley air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.030%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.004%

Average monthly Little Grass Valley temperature with heat index

Little Grass Valley monthly precipitation with daily maximum

Little Grass Valley monthly snow depth with daily maximum

Little Grass Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Goodyears Bar, CA	80	44	12.0%
Greenhorn, CA	202	44	12.0%
Cromberg, CA	312	44	12.0%
Spring Garden, CA	19	44	12.0%
Clipper Mills, CA	451	44	12.0%
Little Grass Valley, CA	0	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Chase, AK	0	31	38.0%
Chiniak, AK	0	31	38.0%
Chisana, AK	0	31	38.0%
Dot Lake, AK	0	38	24.0%
Eureka Roadhouse, AK	0	31	38.0%
Little Grass Valley, CA	0	46	8.0%

Source: The Little Grass 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.