TODAY MAY16
TEMPERATURE55
HUMIDITY77
PRESSURE29.99
WIND COND.270 14.8
  • 6247Mon
  • 7045Tue
  • 6544Wed
  • 6443Thu
  • 6644Fri
daynightWeather update from Hollister, CA at

Key findings

  • The highest monthly average temperature in San Juan Bautista for September is 59.6 degrees
  • The lowest monthly average temperature in San Juan Bautista for December is 50.2 degrees
  • The most monthly precipitation in San Juan Bautista occurs in April with 20.7 inches
  • The air quality index in San Juan Bautista is 26% better than the national average
  • The pollution index in San Juan Bautista is 90% worse than the national average

Compare San Juan Bautista, CA Weather

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      San Juan Bautista 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
      January45°F62°F52°F11.2"
      February45°F61°F52°F3.4"
      March46°F62°F53°F1.1"
      April46°F62°F53°F20.7"
      May49°F62°F55°F0.1"
      June52°F64°F57°F0.0"
      July54°F64°F58°F0.0"
      August54°F65°F59°F0.0"
      September54°F68°F60°F0.0"
      October52°F69°F59°F0.3"
      November48°F65°F55°F0.6"
      December44°F60°F50°F0.1"

      San Juan Bautista 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 Juan BautistaCaliforniaNational
      Air quality index375550
      Pollution index9,602,13018,106,7265,066,862

      San Juan Bautista air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality330
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      San Juan Bautista air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.190%
      Carbon Tetrachloride0.000%
      Lead0.080%
      Mercury0.070%

      Average monthly San Juan Bautista temperature with heat index

      San Juan Bautista monthly precipitation with daily maximum

      San Juan Bautista monthly snow depth with daily maximum

      San Juan Bautista monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Interlaken, CA6,7383530%
      Freedom, CA2,7743530%
      Corralitos, CA2,5573530%
      Amesti, CA3,2053530%
      Watsonville, CA52,9153530%
      San Juan Bautista, CA2,3273726%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Olivia, MN2,3273236%
      Sugarcreek, OH2,327468%
      Steeleville, IL2,3274314%
      Siesta Acres, TX2,3282550%
      Red Lodge, MT2,3282158%
      San Juan Bautista, CA2,3273726%
      Source: The San Juan Bautista, 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.