TODAY AUG19
TEMPERATURE68
HUMIDITY78
PRESSURE29.88
WIND COND.226
  • 9265Mon
  • 9165Tue
  • 9264Wed
  • 9162Thu
  • 8963Fri
daynightWeather update from DW7259 Rancho Cucamonga at

San Antonio Heights 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
January44°F69°F56°F2.3"
February45°F70°F57°F2.0"
March48°F74°F60°F1.2"
April51°F77°F62°F0.7"
May55°F81°F66°F0.4"
June60°F88°F72°F0.0"
July65°F94°F77°F0.1"
August65°F95°F78°F0.0"
September64°F93°F76°F0.2"
October57°F84°F69°F0.4"
November49°F77°F62°F0.6"
December43°F68°F55°F2.6"

Did you know?

  • The highest monthly average temperature in San Antonio Heights for August is 78 degrees.
  • The lowest monthly average temperature in San Antonio Heights for December is 55 degrees.
  • The most monthly precipitation in San Antonio Heights occurs in December with 2.6 inches.
  • The air quality index in San Antonio Heights is 70% worse than the national average.
  • The pollution index in San Antonio Heights is 349% worse than the national average.

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Compare San Antonio Heights, CA Weather To Other Cities

San Antonio Heights 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.
IndexSan Antonio HeightsCaliforniaNational
Air quality index855550
Pollution index22,790,90018,106,7265,066,862

San Antonio Heights 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

San Antonio Heights air quality information

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

Average monthly San Antonio Heights temperature with heat index

San Antonio Heights monthly precipitation with daily maximum

San Antonio Heights monthly snow depth with daily maximum

San Antonio Heights monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Azusa, CA48,4987448%
West Covina, CA107,6347448%
Citrus, CA11,7807448%
South San Jose Hills, CA19,9147448%
Chino Hills, CA77,2668570%
San Antonio Heights, CA3,0998570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Delhi, NY3,0993432%
Grand Saline, TX3,0993530%
Wolfdale, PA3,098476%
Loughman, FL3,0983628%
Frostproof, FL3,1002844%
San Antonio Heights, CA3,0998570%
Source: The San Antonio Heights, 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.