TODAY NOV22
TEMPERATURE56
HUMIDITY83
PRESSURE
WIND COND.48 8
  • 6251Fri100%100%
  • 6044Sat70%40%
  • 5847Sun50%70%
  • 6047Mon
  • 5945Tue
daynightWeather update from BLACK DIAMOND at
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Weather Quick Facts

  • The highest monthly average temperature in Knightsen for July is 70.9 degrees
  • The lowest monthly average temperature in Knightsen for January is 47.4 degrees
  • The most monthly precipitation in Knightsen occurs in December with 2.8 inches
  • The air quality index in Knightsen is 7% worse than the national average
  • The pollution index in Knightsen is 402% worse than the national average

Compare Knightsen, CA Weather

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      Knightsen 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
      January38°F59°F47°F2.6"
      February41°F63°F51°F2.6"
      March43°F67°F54°F2.1"
      April45°F72°F57°F1.4"
      May50°F78°F62°F0.3"
      June54°F85°F67°F0.2"
      July58°F90°F71°F0.0"
      August57°F89°F70°F0.0"
      September56°F88°F69°F0.1"
      October50°F79°F63°F0.9"
      November43°F67°F54°F1.5"
      December38°F60°F48°F2.8"

      Knightsen 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.
      IndexKnightsenCaliforniaNational
      Air quality index455542
      Pollution index13,698,50010,473,1902,726,193

      Knightsen air quality

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality123
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly Knightsen temperature with heat index

      Knightsen monthly precipitation with daily maximum

      Knightsen monthly snow depth with daily maximum

      Knightsen monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Blackhawk, CA10,5904020.0%
      Pittsburg, CA71,7234020.0%
      Camino Tassajara, CA5,8704020.0%
      Rio Vista, CA9,4074510.0%
      Antioch, CA111,4684510.0%
      Knightsen, CA1,1004510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Strawberry, AZ1,1006020.0%
      Tabor, IA1,1004020.0%
      Dunlap, IL1,1004118.0%
      West Marion, NC1,1004412.0%
      Hanover, OH1,1004118.0%
      Knightsen, CA1,1004510.0%
      Source: The Knightsen, 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.