TODAY DEC11
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6648Wed
  • 7251Thu
  • 7351Fri
  • 6550Sat
  • 6246Sun
daynightWeather update from EW3070 Rancho San Diego at
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Casa de Oro-Mount Helix Average Temperature

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
January45°F69°F56°F1.9"
February47°F69°F57°F2.2"
March50°F70°F59°F1.0"
April53°F72°F61°F0.7"
May57°F72°F63°F0.4"
June61°F76°F66°F0.0"
July65°F80°F71°F0.2"
August66°F82°F72°F0.0"
September64°F83°F72°F0.2"
October58°F80°F68°F0.5"
November51°F74°F62°F0.9"
December46°F68°F56°F2.5"

Did you know?

  • The highest monthly average temperature in Casa de Oro-Mount Helix for August is 72 degrees.
  • The lowest monthly average temperature in Casa de Oro-Mount Helix for December is 56 degrees.
  • The most monthly precipitation in Casa de Oro-Mount Helix occurs in December with 2.5 inches.
  • The air quality index in Casa de Oro-Mount Helix is 23% worse than the national average.
  • The pollution index in Casa de Oro-Mount Helix is 804% worse than the national average.

Compare Casa de Oro-Mount Helix, CA Weather To Other Cities

Casa de Oro-Mount Helix 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.
IndexCasa de Oro-Mount HelixCaliforniaNational
Air quality index615550
Pollution index45,820,50018,106,7265,066,862

Casa de Oro-Mount Helix air quality information

MeasurementTotal
Days measured365
Days with good air quality69
Days with moderate air quality277
Days w/ poor A.Q. for sensitive groups17
Days with unhealthy air quality1

Casa de Oro-Mount Helix air quality information

PollutantTotal
Arsenic1.130%
Benzene0.410%
Carbon Tetrachloride0.030%
Lead0.600%
Mercury0.080%

Average monthly Casa de Oro-Mount Helix temperature with heat index

Casa de Oro-Mount Helix monthly precipitation with daily maximum

Casa de Oro-Mount Helix monthly snow depth with daily maximum

Casa de Oro-Mount Helix monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bonita, CA12,8856122%
Crest, CA2,7336122%
Harbison Canyon, CA4,1286122%
La Mesa, CA59,1256122%
Rancho San Diego, CA22,0186122%
Casa de Oro-Mount Helix, CA20,1376122%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Oregon, OH20,1373628%
Belton, TX20,1383628%
Elmwood Park, NJ20,135536%
North Amityville, NY20,150536%
West Mifflin, PA20,1535612%
Casa de Oro-Mount Helix, CA20,1376122%
Source: The Casa de Oro-Mount Helix, 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.
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