San Geronimo, CA Weather - Forecast & Monthly Averages

TEMPERATURE	52
HUMIDITY	100
PRESSURE
WIND COND.

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Weather Quick Facts

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

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

San Geronimo 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 San Geronimo temperature with heat index

San Geronimo monthly precipitation with daily maximum

San Geronimo monthly snow depth with daily maximum

San Geronimo 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%
Alto, CA	818	40	20.0%
Kentfield, CA	7,423	40	20.0%
Muir Beach, CA	360	40	20.0%
Strawberry CDP (Tuolumne County), CA	116	40	20.0%
San Geronimo, CA	176	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Glacier View, AK	176	31	38.0%
Point Lay, AK	176	38	24.0%
Alpine, AZ	176	44	12.0%
Little River, CA	176	33	34.0%
Berrydale, FL	176	41	18.0%
San Geronimo, CA	176	40	20.0%

Source: The San Geronimo, 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.