TODAY NOV02
TEMPERATURE45
HUMIDITY
PRESSURE102410
WIND COND.330 13
  • 4733Sun
  • 4943Mon50%
  • 5855Tue50%
  • 6346Wed30%30%
  • 5342Thu20%
daynightWeather update from Bar Harbor, Hancock County-Bar Harbor Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Castine for July is 66.8 degrees
  • The lowest monthly average temperature in Castine for January is 23.9 degrees
  • The most monthly precipitation in Castine occurs in October with 7.6 inches
  • The air quality index in Castine is 14% better than the national average
  • The pollution index in Castine is 91% worse than the national average

Compare Castine, ME Weather

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      Castine 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
      January16°F33°F24°F4.5"
      February16°F33°F24°F5.0"
      March23°F41°F32°F4.4"
      April34°F52°F43°F4.7"
      May44°F62°F52°F5.9"
      June52°F69°F60°F6.7"
      July59°F76°F67°F6.3"
      August57°F75°F66°F5.4"
      September51°F69°F60°F7.3"
      October42°F58°F50°F7.6"
      November32°F47°F40°F7.5"
      December22°F37°F29°F5.4"

      Castine 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.
      IndexCastineMaineNational
      Air quality index363342
      Pollution index5,210,5703,417,5212,726,193

      Castine air quality

      MeasurementTotal
      Days measured213
      Days with good air quality204
      Days with moderate air quality9
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.050%
      Carbon Tetrachloride0.020%
      Lead0.060%
      Mercury0.020%

      Average monthly Castine temperature with heat index

      Castine monthly precipitation with daily maximum

      Castine monthly snow depth with daily maximum

      Castine monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Searsport, ME1,0393138.0%
      Blue Hill, ME1,2163138.0%
      Belfast, ME6,7103628.0%
      Camden, ME3,5433628.0%
      Castine, ME8133628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wilton, AL813536.0%
      Cottondale, FL8133530.0%
      Tignall, GA8134412.0%
      Colfax, IN8134216.0%
      Blackduck, MN8132942.0%
      Castine, ME8133628.0%
      Source: The Castine, ME 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.