TODAY MAY18
TEMPERATURE65
HUMIDITY54
PRESSURE29.94
WIND COND.210 24.1
  • 8449Tue
  • 7749Wed
  • 7554Thu
  • 7855Fri
  • 8054Sat
daynightWeather update from Vacaville Nut Tree Airport at

Key findings

  • The highest monthly average temperature in Allendale for July is 76.9 degrees
  • The lowest monthly average temperature in Allendale for December is 47.1 degrees
  • The most monthly precipitation in Allendale occurs in January with 5.6 inches
  • The air quality index in Allendale is 30% better than the national average
  • The pollution index in Allendale is 52% better than the national average

Compare Allendale, CA Weather

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      Allendale 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
      January37°F60°F47°F5.6"
      February41°F64°F52°F4.8"
      March45°F69°F56°F4.6"
      April47°F74°F60°F2.5"
      May52°F82°F67°F0.7"
      June57°F91°F74°F0.3"
      July60°F96°F77°F0.0"
      August59°F95°F75°F0.0"
      September56°F92°F73°F0.1"
      October50°F81°F64°F1.9"
      November43°F68°F54°F2.3"
      December37°F59°F47°F4.6"

      Allendale 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.
      IndexAllendaleCaliforniaNational
      Air quality index355550
      Pollution index2,457,15018,106,7265,066,862

      Allendale air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality330
      Days with moderate air quality31
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Allendale air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.020%

      Average monthly Allendale temperature with heat index

      Allendale monthly precipitation with daily maximum

      Allendale monthly snow depth with daily maximum

      Allendale monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Elmira, CA2083530%
      Green Valley, CA1,2243530%
      Suisun City, CA29,0453530%
      Hartley, CA2,9883530%
      Vacaville, CA95,6073530%
      Allendale, CA1,3493530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Columbus, NC1,3494412%
      Ama, LA1,3494510%
      Glenwood City, WI1,3493432%
      Swepsonville, NC1,3483138%
      Millersport, OH1,348468%
      Allendale, CA1,3493530%
      Source: The Allendale, 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.