TODAY MAY12
TEMPERATURE49
HUMIDITY90
PRESSURE
WIND COND.217 2.2
  • 5749Thu
  • 5348Fri
  • 5550Sat
  • 5650Sun
  • 5448Mon
daynightWeather update from POINT ARENA (P059) CA at

Key findings

  • The highest monthly average temperature in Manchester for July is 74.1 degrees
  • The lowest monthly average temperature in Manchester for December is 44.4 degrees
  • The most monthly precipitation in Manchester occurs in December with 7.1 inches
  • The air quality index in Manchester is 34% better than the national average
  • The pollution index in Manchester is 40% better than the national average

Compare Manchester, CA Weather

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      Manchester 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
      January35°F60°F45°F6.2"
      February38°F63°F48°F5.5"
      March40°F66°F51°F5.5"
      April42°F71°F55°F2.8"
      May47°F80°F62°F0.9"
      June52°F87°F68°F0.4"
      July56°F96°F74°F0.0"
      August54°F95°F72°F0.0"
      September50°F90°F68°F0.2"
      October45°F79°F59°F2.1"
      November40°F65°F51°F3.8"
      December35°F57°F44°F7.1"

      Manchester 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.
      IndexManchesterCaliforniaNational
      Air quality index335550
      Pollution index3,041,84018,106,7265,066,862

      Manchester air quality information

      MeasurementTotal
      Days measured361
      Days with good air quality334
      Days with moderate air quality27
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Manchester air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.040%
      Mercury0.005%

      Average monthly Manchester temperature with heat index

      Manchester monthly precipitation with daily maximum

      Manchester monthly snow depth with daily maximum

      Manchester monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Philo, CA2603334%
      Point Arena, CA4553334%
      Anchor Bay, CA3103334%
      Manchester, CA1773334%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Sunshine, CO177476%
      Mitchell, GA177476%
      Cedar Crest, OK1773628%
      Enville, TN1772746%
      Ravenna, TX177325550%
      Manchester, CA1773334%
      Source: The Manchester, 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.