Porterville, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	57°F
HUMIDITY	67%
PRESSURE	29.94 inHg
WIND COND.	130° 6.9 mph

Porterville 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	19°F	72°F	46°F	2.2"
February	27°F	75°F	50°F	0.9"
March	27°F	88°F	54°F	0.9"
April	30°F	99°F	59°F	1.2"
May	39°F	106°F	69°F	1.8"
June	45°F	109°F	75°F	0.0"
July	55°F	109°F	83°F	n/a
August	55°F	106°F	80°F	n/a
September	43°F	104°F	73°F	0.1"
October	36°F	95°F	62°F	0.1"
November	27°F	86°F	54°F	0.1"
December	27°F	82°F	45°F	0.7"

Did you know?

The highest monthly average temperature in Porterville for July is 83 degrees.
The lowest monthly average temperature in Porterville for December is 45 degrees.
The most monthly precipitation in Porterville occurs in January with 2.2 inches.
The air quality index in Porterville is 48% worse than the national average.
The pollution index in Porterville is 330% worse than the national average.

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Porterville 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	Porterville	California	National
Air quality index	74	55	50
Pollution index	21,828,100	18,106,726	5,066,862

Porterville air quality information

Measurement	Total
Days measured	365
Days with good air quality	81
Days with moderate air quality	183
Days w/ poor A.Q. for sensitive groups	88
Days with unhealthy air quality	13

Porterville air quality information

Pollutant	Total
Arsenic	0.160%
Benzene	0.440%
Carbon Tetrachloride	0.000%
Lead	0.100%
Mercury	0.200%

Average monthly Porterville temperature with heat index

Porterville monthly precipitation with daily maximum

Porterville monthly snow depth with daily maximum

Porterville monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Earlimart, CA	8,677	74	48%
Lindsay, CA	13,052	74	48%
Springville, CA	823	74	48%
Tonyville, CA	816	74	48%
East Porterville, CA	6,460	74	48%
Porterville, CA	58,472	74	48%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Dubuque, IA	58,535	32	36%
Spring, TX	58,608	52	4%
Orland Park, IL	58,612	60	20%
Bartlett, TN	58,318	44	12%
Owensboro, KY	58,685	40	20%
Porterville, CA	58,472	74	48%

Source: The Porterville, 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.