San Ramon, CA Weather - Forecast & Monthly Averages

TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.	167 9.6

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Weather Quick Facts

The highest monthly average temperature in San Ramon for July is 70.9 degrees
The lowest monthly average temperature in San Ramon for January is 47.4 degrees
The most monthly precipitation in San Ramon occurs in December with 2.8 inches
The air quality index in San Ramon is 5% better than the national average
The pollution index in San Ramon is 402% worse than the national average

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San Ramon 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	38°F	59°F	47°F	2.6"
February	41°F	63°F	51°F	2.6"
March	43°F	67°F	54°F	2.1"
April	45°F	72°F	57°F	1.4"
May	50°F	78°F	62°F	0.3"
June	54°F	85°F	67°F	0.2"
July	58°F	90°F	71°F	0.0"
August	57°F	89°F	70°F	0.0"
September	56°F	88°F	69°F	0.1"
October	50°F	79°F	63°F	0.9"
November	43°F	67°F	54°F	1.5"
December	38°F	60°F	48°F	2.8"

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San Ramon 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 Ramon	California	National
Air quality index	40	55	42
Pollution index	13,698,500	10,473,190	2,726,193

San Ramon 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	0.040%
Benzene	0.110%
Carbon Tetrachloride	0.330%
Lead	0.070%
Mercury	0.120%

Average monthly San Ramon temperature with heat index

San Ramon monthly precipitation with daily maximum

San Ramon monthly snow depth with daily maximum

San Ramon monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Acalanes Ridge, CA	875	40	20.0%
Concord, CA	129,227	40	20.0%
Orinda, CA	19,461	40	20.0%
San Miguel, CA	3,253	40	20.0%
Ashland, CA	23,566	40	20.0%
San Ramon, CA	81,344	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Pine Hills, FL	81,415	39	22.0%
Cranston, RI	81,252	44	12.0%
The Villages, FL	81,444	38	24.0%
Cicero, IL	81,471	55	10.0%
Somerville, MA	81,175	43	14.0%
San Ramon, CA	81,344	40	20.0%

Source: The San Ramon, 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.