Vacaville, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	91
HUMIDITY	30
PRESSURE	29.89
WIND COND.	210 6.9

Vacaville Average Weather

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	21°F	79°F	47°F	3.8"
February	29°F	77°F	51°F	4.1"
March	30°F	85°F	55°F	2.8"
April	36°F	97°F	59°F	1.7"
May	42°F	105°F	68°F	1.0"
June	47°F	112°F	73°F	0.1"
July	52°F	114°F	78°F	0.0"
August	52°F	108°F	76°F	n/a
September	42°F	105°F	72°F	0.0"
October	37°F	94°F	64°F	1.4"
November	30°F	85°F	56°F	1.5"
December	26°F	68°F	47°F	4.8"

Did you know?

The highest monthly average temperature in Vacaville for July is 78 degrees.
The lowest monthly average temperature in Vacaville for January is 47 degrees.
The most monthly precipitation in Vacaville occurs in December with 4.8 inches.
The air quality index in Vacaville is 13% better than the national average.
The pollution index in Vacaville is 51% better than the national average.

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Vacaville 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	Vacaville	California	National
Air quality index	43	55	50
Pollution index	2,457,150	18,106,726	5,066,862

Vacaville air quality information

Measurement	Total
Days measured	365
Days with good air quality	220
Days with moderate air quality	143
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality

Vacaville air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.080%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.020%

Average monthly Vacaville temperature with heat index

Vacaville monthly precipitation with daily maximum

Vacaville monthly snow depth with daily maximum

Vacaville monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Allendale, CA	1,349	43	14%
Fairfield, CA	110,953	43	14%
Lemon Hill, CA	13,575	43	14%
Green Valley CDP (Los Angeles County), CA	1,000	43	14%
Moskowite Corner, CA	198	43	14%
Vacaville, CA	95,607	43	14%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Dearborn, MI	95,520	52	4%
South Gate, CA	95,219	74	48%
Portsmouth, VA	96,071	39	22%
Mission Viejo, CA	96,178	85	70%
New Bedford, MA	94,988	45	10%
Vacaville, CA	95,607	43	14%

Source: The Vacaville, 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.