TODAY AUG14
TEMPERATURE70
HUMIDITY46
PRESSURE29.99
WIND COND.325 5.9
  • 9465Tue
  • 9568Wed
  • 9668Thu
  • 9968Fri
  • 10068Sat
daynightWeather update from Motte Rimrock Reserve (UCNRS) at

Perris Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January37°F67°F51°F2.5"
February38°F68°F52°F1.6"
March40°F73°F56°F1.1"
April44°F77°F59°F0.8"
May50°F81°F64°F0.3"
June55°F90°F72°F0.0"
July62°F95°F77°F0.3"
August61°F95°F77°F0.7"
September58°F93°F74°F0.2"
October50°F83°F65°F0.3"
November41°F75°F57°F0.7"
December36°F66°F50°F2.9"

Did you know?

  • The highest monthly average temperature in Perris for August is 77 degrees.
  • The lowest monthly average temperature in Perris for December is 50 degrees.
  • The most monthly precipitation in Perris occurs in December with 2.9 inches.
  • The air quality index in Perris is 70% worse than the national average.
  • The pollution index in Perris is 349% worse than the national average.

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Compare Perris, CA Weather To Other Cities

Perris 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.
IndexPerrisCaliforniaNational
Air quality index855550
Pollution index22,790,90018,106,7265,066,862

Perris air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Perris air quality information

PollutantTotal
Arsenic0.060%
Benzene0.190%
Carbon Tetrachloride0.010%
Lead0.220%
Mercury0.230%

Average monthly Perris temperature with heat index

Perris monthly precipitation with daily maximum

Perris monthly snow depth with daily maximum

Perris monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Beaumont, CA42,1918570%
El Sobrante CDP (Contra Costa County), CA12,9638570%
Green Acres, CA2,5608570%
Lake Elsinore, CA60,2308570%
March ARB, CA1,1458570%
Perris, CA73,7188570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Manteca, CA73,5705714%
Gastonia, NC73,8773628%
Union City, CA73,500484%
Milpitas, CA73,447484%
Appleton, WI73,4463824%
Perris, CA73,7188570%
Source: The Perris, 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.