TODAY MAY18
TEMPERATURE67
HUMIDITY42
PRESSURE30
WIND COND.310 18.4
  • 8849Mon
  • 8848Tue
  • 8346Wed
  • 7746Thu
  • 7947Fri
daynightWeather update from Lemoore, Naval Air Station at

Key findings

  • The highest monthly average temperature in San Joaquin for July is 82.9 degrees
  • The lowest monthly average temperature in San Joaquin for December is 46 degrees
  • The most monthly precipitation in San Joaquin occurs in January with 1.5 inches
  • The air quality index in San Joaquin is 21% worse than the national average
  • The pollution index in San Joaquin is 228% worse than the national average

Compare San Joaquin, CA Weather

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      San Joaquin 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
      January36°F58°F46°F1.5"
      February39°F65°F51°F1.2"
      March42°F72°F57°F1.0"
      April46°F78°F62°F0.6"
      May52°F87°F70°F0.3"
      June58°F95°F78°F0.1"
      July63°F101°F83°F0.0"
      August62°F99°F81°F0.0"
      September58°F94°F76°F0.0"
      October49°F83°F65°F0.3"
      November41°F69°F54°F0.6"
      December35°F59°F46°F1.3"

      San Joaquin 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.
      IndexSan JoaquinCaliforniaNational
      Air quality index605550
      Pollution index16,639,20018,106,7265,066,862

      San Joaquin air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality139
      Days with moderate air quality160
      Days w/ poor A.Q. for sensitive groups64
      Days with unhealthy air quality2

      San Joaquin air quality information

      PollutantTotal
      Arsenic0.210%
      Benzene0.250%
      Carbon Tetrachloride0.002%
      Lead0.180%
      Mercury0.230%

      Average monthly San Joaquin temperature with heat index

      San Joaquin monthly precipitation with daily maximum

      San Joaquin monthly snow depth with daily maximum

      San Joaquin monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cantua Creek, CA43450= 100
      Biola, CA1,26550= 100
      Three Rocks, CA25850= 100
      Mendota, CA11,39450= 100
      Tranquillity, CA72450= 100
      San Joaquin, CA4,0116020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Cedarville, OH4,0114510%
      Rosewood Heights, IL4,011548%
      Madison, GA4,0104412%
      Churchville, PA4,0124118%
      Sandy Oaks, TX4,013492%
      San Joaquin, CA4,0116020%
      Source: The San Joaquin, 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.