TODAY MAY18
TEMPERATURE53
HUMIDITY79
PRESSURE
WIND COND.40 6.4
  • 7945Tue
  • 7242Wed
  • 6745Thu
  • 7148Fri
  • 7451Sat
daynightWeather update from BEN BOLT at

Key findings

  • The highest monthly average temperature in Plymouth for July is 74.3 degrees
  • The lowest monthly average temperature in Plymouth for January is 46.5 degrees
  • The most monthly precipitation in Plymouth occurs in December with 3.8 inches
  • The air quality index in Plymouth is 5% worse than the national average
  • The pollution index in Plymouth is 15% better than the national average

Compare Plymouth, CA Weather

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      Plymouth 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°F58°F47°F3.3"
      February41°F63°F51°F3.1"
      March44°F68°F55°F2.9"
      April47°F74°F59°F1.8"
      May52°F82°F65°F0.5"
      June57°F90°F71°F0.3"
      July59°F95°F74°F0.0"
      August58°F93°F73°F0.0"
      September56°F90°F70°F0.1"
      October50°F79°F63°F1.2"
      November43°F66°F53°F1.6"
      December38°F57°F47°F3.8"

      Plymouth 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.
      IndexPlymouthCaliforniaNational
      Air quality index525550
      Pollution index4,289,31018,106,7265,066,862

      Plymouth air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality173
      Days w/ poor A.Q. for sensitive groups21
      Days with unhealthy air quality0

      Plymouth air quality information

      PollutantTotal
      Arsenic0.050%
      Benzene0.070%
      Carbon Tetrachloride0.001%
      Lead0.060%
      Mercury0.010%

      Average monthly Plymouth temperature with heat index

      Plymouth monthly precipitation with daily maximum

      Plymouth monthly snow depth with daily maximum

      Plymouth monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Pioneer, CA1,2113922%
      Sutter Creek, CA2,4873922%
      Mokelumne Hill, CA5843922%
      Volcano, CA243922%
      Jackson, CA4,6303922%
      Plymouth, CA961524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Farmington, IA9612942%
      Pomona, KS9614118%
      St. Joseph, LA9613432%
      Grant, AL9614412%
      Jefferson Heights, NY9613726%
      Plymouth, CA961524%
      Source: The Plymouth, 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.