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Key findings

  • The highest monthly average temperature in Ramona for August is 73.5 degrees
  • The lowest monthly average temperature in Ramona for January is 49.1 degrees
  • The most monthly precipitation in Ramona occurs in January with 10.5 inches
  • The air quality index in Ramona is 29% worse than the national average
  • The pollution index in Ramona is 94% better than the national average

Compare Ramona, CA Weather

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      Ramona 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
      January34°F65°F49°F10.5"
      February39°F65°F51°F8.0"
      March41°F70°F54°F3.0"
      April41°F72°F55°F2.9"
      May48°F77°F61°F0.9"
      June49°F83°F65°F0.2"
      July56°F91°F72°F1.5"
      August58°F92°F73°F0.5"
      September50°F86°F67°F0.4"
      October47°F79°F62°F2.1"
      November42°F75°F57°F3.5"
      December34°F67°F50°F2.5"

      Ramona 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.
      IndexRamonaCaliforniaNational
      Air quality index645550
      Pollution index162,74010,473,1902,726,193

      Ramona air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      Ramona air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Ramona temperature with heat index

      Ramona monthly precipitation with daily maximum

      Ramona monthly snow depth with daily maximum

      Ramona monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Eucalyptus Hills, CA5,5836428.0%
      Santee, CA56,8396428.0%
      Escondido, CA149,9126428.0%
      Lakeside, CA21,4886428.0%
      Winter Gardens, CA21,2556428.0%
      Ramona, CA22,3466428.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chalmette, LA22,3454510.0%
      Auburn Hills, MI22,3425612.0%
      Prichard, AL22,3404216.0%
      Hopewell, VA22,3324412.0%
      Brent, FL22,3194118.0%
      Ramona, CA22,3466428.0%
      Source: The Ramona, 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.