TODAY MAY29
TEMPERATURE89
HUMIDITY61
PRESSURE30.01
WIND COND.120 12.8
  • 9080Sat30%30%
  • 9080Sun30%20%
  • 9079Mon20%30%
  • 9078Tue40%40%
  • 9079Wed40%40%
daynightWeather update from Key West Naval Air Station at
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Big Coppitt Key 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
January65°F77°F70°F2.3"
February66°F78°F71°F1.8"
March69°F80°F74°F1.4"
April73°F83°F78°F2.5"
May76°F86°F81°F3.0"
June79°F89°F84°F4.3"
July80°F90°F85°F4.3"
August80°F91°F85°F5.5"
September79°F90°F85°F7.0"
October77°F86°F81°F5.4"
November71°F81°F76°F2.3"
December69°F79°F73°F2.1"

Did you know?

  • The highest monthly average temperature in Big Coppitt Key for August is 85 degrees.
  • The lowest monthly average temperature in Big Coppitt Key for January is 70 degrees.
  • The most monthly precipitation in Big Coppitt Key occurs in September with 7 inches.
  • The air quality index in Big Coppitt Key is 34% better than the national average.
  • The pollution index in Big Coppitt Key is 754% worse than the national average.

Compare Big Coppitt Key, FL Weather To Other Cities

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      Big Coppitt Key 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.
      IndexBig Coppitt KeyFloridaNational
      Air quality index333550
      Pollution index43,296,20015,391,3445,066,862

      Big Coppitt Key air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality328
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Big Coppitt Key air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.510%
      Carbon Tetrachloride0.150%
      Lead0.330%
      Mercury0.090%

      Average monthly Big Coppitt Key temperature with heat index

      Big Coppitt Key monthly precipitation with daily maximum

      Big Coppitt Key monthly snow depth with daily maximum

      Big Coppitt Key monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Stock Island, FL4,2143334%
      Cudjoe Key, FL1,8123334%
      Key West, FL26,0393334%
      Big Coppitt Key, FL3,0623334%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Deer Lodge, MT3,0622942%
      Springfield, GA3,0624020%
      Sherrill, NY3,0633432%
      Hideaway, TX3,0613530%
      Brazoria, TX3,063524%
      Big Coppitt Key, FL3,0623334%
      Source: The Big Coppitt Key, FL 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.