San Jacinto, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in San Jacinto for July is 77.9 degrees
The lowest monthly average temperature in San Jacinto for December is 50.7 degrees
The most monthly precipitation in San Jacinto occurs in November with 19.8 inches
The air quality index in San Jacinto is 111% worse than the national average
The pollution index in San Jacinto is 736% worse than the national average

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San Jacinto 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	66°F	52°F	10.0"
February	44°F	68°F	54°F	5.7"
March	46°F	75°F	58°F	2.7"
April	47°F	78°F	60°F	1.7"
May	53°F	83°F	66°F	2.2"
June	55°F	88°F	70°F	1.2"
July	63°F	96°F	78°F	0.0"
August	63°F	96°F	78°F	0.1"
September	56°F	88°F	70°F	1.0"
October	51°F	83°F	64°F	3.9"
November	46°F	78°F	59°F	19.8"
December	39°F	66°F	51°F	4.9"

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San Jacinto 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 Jacinto	California	National
Air quality index	89	55	42
Pollution index	22,790,900	10,473,190	2,726,193

San Jacinto air quality

Measurement	Total
Days measured	365
Days with good air quality	42
Days with moderate air quality	178
Days w/ poor A.Q. for sensitive groups	79
Days with unhealthy air quality	58

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.190%
Carbon Tetrachloride	0.010%
Lead	0.220%
Mercury	0.230%

Average monthly San Jacinto temperature with heat index

San Jacinto monthly precipitation with daily maximum

San Jacinto monthly snow depth with daily maximum

San Jacinto monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Cabazon, CA	2,271	89	78.0%
Murrieta, CA	114,066	89	78.0%
Cherry Valley, CA	8,026	89	78.0%
Hemet, CA	84,686	89	78.0%
Mountain Center, CA	17	89	78.0%
San Jacinto, CA	48,786	89	78.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Middletown, OH	48,765	47	6.0%
Shawinigan, QC	48,810	n/a
Columbus, IN	48,820	41	18.0%
Florin, CA	48,839	52	4.0%
St. Louis Park, MN	48,874	46	8.0%
San Jacinto, CA	48,786	89	78.0%

Source: The San Jacinto, 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.