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Key findings

  • The highest monthly average temperature in Westmorland for July is 94.2 degrees
  • The lowest monthly average temperature in Westmorland for December is 54.9 degrees
  • The most monthly precipitation in Westmorland occurs in January with 0.4 inches
  • The air quality index in Westmorland is 17% worse than the national average
  • The pollution index in Westmorland is 22% worse than the national average

Compare Westmorland, CA Weather

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      Westmorland 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
      January41°F71°F55°F0.4"
      February46°F76°F60°F0.2"
      March51°F83°F67°F0.1"
      April56°F88°F72°F0.0"
      May62°F96°F79°F0.1"
      June71°F106°F89°F0.0"
      July80°F109°F94°F0.2"
      August80°F109°F94°F0.3"
      September73°F104°F88°F0.1"
      October61°F92°F76°F0.1"
      November50°F81°F64°F0.1"
      December42°F70°F55°F0.4"

      Westmorland 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.
      IndexWestmorlandCaliforniaNational
      Air quality index585550
      Pollution index6,200,93018,106,7265,066,862

      Westmorland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality125
      Days with moderate air quality219
      Days w/ poor A.Q. for sensitive groups19
      Days with unhealthy air quality2

      Westmorland air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.130%
      Carbon Tetrachloride0.000%
      Lead0.090%
      Mercury0.070%

      Average monthly Westmorland temperature with heat index

      Westmorland monthly precipitation with daily maximum

      Westmorland monthly snow depth with daily maximum

      Westmorland monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Brawley, CA25,7765816%
      Calipatria, CA7,5115816%
      Imperial, CA16,5835816%
      Niland, CA8685816%
      Westmorland, CA2,0145816%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Millville, UT2,0144412%
      New Glarus, WI2,0143922%
      South Whitley, IN2,0143138%
      Cherokee, NC2,0134412%
      Orion, IL2,013468%
      Westmorland, CA2,0145816%
      Source: The Westmorland, 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.