TODAY AUG14
TEMPERATURE87
HUMIDITY63
PRESSURE30.06
WIND COND.140 13.9
  • 9083Wed20%20%
  • 9082Thu30%30%
  • 9082Fri30%30%
  • 9082Sat30%30%
  • 9082Sun30%30%
daynightWeather update from Key West Naval Air Station at

Big Coppitt Key Average Weather

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 33% better than the national average.
  • The pollution index in Big Coppitt Key is 754% worse than the national average.

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Compare Big Coppitt Key, FL Weather To Other Cities

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.
Key West, FL26,0393334%
Stock Island, FL4,2143334%
Cudjoe Key, FL1,8123334%
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.