Sleepy Hollow, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Sleepy Hollow for July is 64.6 degrees
The lowest monthly average temperature in Sleepy Hollow for December is 46.6 degrees
The most monthly precipitation in Sleepy Hollow occurs in January with 3.8 inches
The air quality index in Sleepy Hollow is 5% better than the national average
The pollution index in Sleepy Hollow is 202% worse than the national average

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Sleepy Hollow 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	36°F	58°F	47°F	3.8"
February	39°F	62°F	50°F	3.4"
March	41°F	66°F	52°F	3.0"
April	42°F	69°F	55°F	1.6"
May	46°F	74°F	59°F	0.5"
June	50°F	80°F	64°F	0.3"
July	53°F	81°F	65°F	0.0"
August	53°F	80°F	64°F	0.0"
September	49°F	82°F	64°F	0.1"
October	45°F	76°F	59°F	1.3"
November	40°F	66°F	52°F	1.8"
December	36°F	58°F	47°F	3.8"

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Sleepy Hollow 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	Sleepy Hollow	California	National
Air quality index	40	55	42
Pollution index	8,232,360	10,473,190	2,726,193

Sleepy Hollow air quality

Measurement	Total
Days measured	365
Days with good air quality	290
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.010%
Benzene	0.060%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.010%

Average monthly Sleepy Hollow temperature with heat index

Sleepy Hollow monthly precipitation with daily maximum

Sleepy Hollow monthly snow depth with daily maximum

Sleepy Hollow monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Point Reyes Station, CA	210	34	32.0%
East Richmond Heights, CA	3,473	40	20.0%
Richmond, CA	110,051	40	20.0%
Fairfax, CA	7,629	40	20.0%
Novato, CA	53,781	40	20.0%
Sleepy Hollow, CA	2,366	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Albany, IN	2,365	35	30.0%
Holcomb, KS	2,367	15	70.0%
Wells, MN	2,367	15	70.0%
Huntingdon, QC	2,367	n/a
Pouch Cove, NL	2,364	n/a
Sleepy Hollow, CA	2,366	40	20.0%

Source: The Sleepy Hollow, 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.