TODAY JUL18
TEMPERATURE90
HUMIDITY44
PRESSURE29.93
WIND COND.230 3
  • 9269Thu
  • 9267Fri
  • 9168Sat
  • 9469Sun
  • 10072Mon
daynightWeather update from Riverside Presidential Park at

La Sierra South 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
January24°F85°F53°F1.6"
February30°F88°F55°F1.8"
March31°F93°F56°F0.4"
April39°F97°F59°F0.6"
May46°F97°F65°F0.1"
June49°F104°F71°F0.0"
July55°F113°F79°Fn/a
August55°F103°F76°Fn/a
September49°F103°F73°F0.0"
October41°F102°F67°F0.3"
November35°F94°F62°F0.1"
December27°F86°F54°F0.2"

Did you know?

  • The highest monthly average temperature in La Sierra South for July is 79 degrees.
  • The lowest monthly average temperature in La Sierra South for January is 53 degrees.
  • The most monthly precipitation in La Sierra South occurs in February with 1.8 inches.
  • The air quality index in La Sierra South is 70% worse than the national average.
  • The pollution index in La Sierra South is 349% worse than the national average.

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Compare Riverside, CA Weather To Other Cities

La Sierra South 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.
IndexLa Sierra SouthRiversideCalifornia
Air quality index858555
Pollution index22,790,90022,790,90018,106,726

La Sierra South 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

La Sierra South air quality information

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

Average monthly La Sierra South temperature with heat index

La Sierra South monthly precipitation with daily maximum

La Sierra South monthly snow depth with daily maximum

La Sierra South monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bloomington, CA23,3228570%
Colton, CA53,8568570%
El Sobrante CDP (Contra Costa County), CA12,9638570%
Grand Terrace, CA12,3938570%
Lake Elsinore, CA60,2308570%
Riverside, CA318,6788570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Corpus Christi, TX320,0503922%
St. Louis, MO316,0306020%
Lexington-Fayette, KY311,5294216%
Pittsburgh, PA305,3055612%
Santa Ana, CA333,6058570%
Riverside, CA318,6788570%
Source: The La Sierra South, Riverside, 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.