TODAY SEP18
TEMPERATURE77
HUMIDITY66
PRESSURE29.86
WIND COND.226 5
  • 7664Wed
  • 7666Thu
  • 7666Fri
  • 7864Sat
  • 7964Sun
daynightWeather update from EW3219 National City at
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Rancho Del Rey 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
January48°F64°F55°F2.8"
February49°F64°F56°F3.8"
March51°F65°F58°F0.1"
April53°F66°F59°F0.0"
May57°F67°F62°F1.5"
June60°F68°F63°F0.0"
July63°F72°F67°F0.0"
August64°F73°F68°F0.0"
September63°F74°F68°F0.3"
October58°F72°F64°F0.0"
November53°F69°F60°F0.1"
December48°F64°F55°F1.5"

Did you know?

  • The highest monthly average temperature in Rancho Del Rey for September is 68 degrees.
  • The lowest monthly average temperature in Rancho Del Rey for December is 55 degrees.
  • The most monthly precipitation in Rancho Del Rey occurs in February with 3.8 inches.
  • The air quality index in Rancho Del Rey is 22% worse than the national average.
  • The pollution index in Rancho Del Rey is 804% worse than the national average.

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Compare Chula Vista, CA Weather To Other Cities

Rancho Del Rey 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.
IndexRancho Del ReyChula VistaCalifornia
Air quality index616155
Pollution index45,820,50045,820,50018,106,726

Rancho Del Rey 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

Rancho Del Rey air quality information

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

Average monthly Rancho Del Rey temperature with heat index

Rancho Del Rey monthly precipitation with daily maximum

Rancho Del Rey monthly snow depth with daily maximum

Rancho Del Rey monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Casa de Oro-Mount Helix, CA20,1376122%
Granite Hills, CA3,0716122%
Lakeside, CA21,4886122%
National City, CA60,3496122%
Spring Valley CDP (Lake County), CA1,1546122%
Chula Vista, CA260,5986122%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fort Wayne, IN260,954476%
Jersey City, NJ261,666536%
Buffalo, NY258,9894118%
Orlando, FL263,3063628%
St. Petersburg, FL253,5854314%
Chula Vista, CA260,5986122%
Source: The Rancho Del Rey, Chula Vista, 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.