San Jose, CA Weather - Forecast & Monthly Averages

TEMPERATURE	69
HUMIDITY	40
PRESSURE	101970
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in San Jose for July is 68.1 degrees
The lowest monthly average temperature in San Jose for January is 50.1 degrees
The most monthly precipitation in San Jose occurs in February with 2.5 inches
The air quality index in San Jose is 2% worse than the national average
The pollution index in San Jose is 762% worse than the national average

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San Jose 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	41°F	61°F	50°F	2.5"
February	44°F	64°F	53°F	2.5"
March	46°F	68°F	56°F	2.1"
April	48°F	71°F	58°F	1.3"
May	52°F	75°F	62°F	0.3"
June	56°F	80°F	66°F	0.2"
July	58°F	82°F	68°F	0.0"
August	58°F	82°F	68°F	0.0"
September	57°F	82°F	67°F	0.1"
October	53°F	77°F	63°F	0.6"
November	46°F	68°F	56°F	1.3"
December	41°F	61°F	50°F	2.4"

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San Jose 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 Jose	California	National
Air quality index	43	55	42
Pollution index	23,499,800	10,473,190	2,726,193

San Jose air quality

Measurement	Total
Days measured	365
Days with good air quality	263
Days with moderate air quality	98
Days w/ poor A.Q. for sensitive groups	4
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.120%
Benzene	0.170%
Carbon Tetrachloride	0.001%
Lead	0.220%
Mercury	0.140%

Average monthly San Jose temperature with heat index

San Jose monthly precipitation with daily maximum

San Jose monthly snow depth with daily maximum

San Jose monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Boulder Creek, CA	5,305	35	30.0%
Lexington Hills, CA	2,656	35	30.0%
Saratoga, CA	31,084	43	14.0%
Campbell, CA	42,891	43	14.0%
Los Gatos, CA	31,943	43	14.0%
San Jose, CA	1,029,409	43	14.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Edmonton, AB	1,053,392	n/a
Ottawa, ON	1,058,126	n/a
Austin, TX	965,872	44	12.0%
Jacksonville, FL	902,488	43	14.0%
Fort Worth, TX	892,221	51	2.0%
San Jose, CA	1,029,409	43	14.0%

Source: The San Jose, 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.