TODAY APR25
TEMPERATURE80
HUMIDITY47
PRESSURE101760
WIND COND.60 13
  • 7975Fri
  • 7975Sat
  • 7975Sun
  • 7975Mon
  • 8075Tue
daynightWeather update from Miami, Miami International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Key Biscayne for August is 84 degrees
  • The lowest monthly average temperature in Key Biscayne for January is 68.9 degrees
  • The most monthly precipitation in Key Biscayne occurs in June with 10.8 inches
  • The air quality index in Key Biscayne is 3% better than the national average
  • The pollution index in Key Biscayne is 1488% worse than the national average

Compare Key Biscayne, FL Weather

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      Key Biscayne 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
      January60°F78°F69°F1.8"
      February61°F80°F70°F2.3"
      March64°F82°F72°F2.6"
      April69°F85°F77°F3.9"
      May73°F88°F80°F6.2"
      June76°F90°F82°F10.8"
      July77°F91°F84°F9.0"
      August77°F92°F84°F10.0"
      September76°F90°F83°F10.1"
      October73°F87°F80°F7.0"
      November67°F82°F74°F2.9"
      December64°F81°F72°F2.7"

      Key Biscayne 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.
      IndexKey BiscayneFloridaNational
      Air quality index413542
      Pollution index43,296,2007,570,7852,726,193

      Key Biscayne air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality284
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Key Biscayne air quality information

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

      Average monthly Key Biscayne temperature with heat index

      Key Biscayne monthly precipitation with daily maximum

      Key Biscayne monthly snow depth with daily maximum

      Key Biscayne monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Indian Creek, FL344118.0%
      Coral Terrace, FL25,5294118.0%
      Hialeah, FL233,8764118.0%
      Olympia Heights, FL14,2614118.0%
      Sunset, FL14,8694118.0%
      Key Biscayne, FL12,8674118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      South Sioux City, NE12,8673530.0%
      Kingston, PA12,8593824.0%
      Willow Grove, PA12,881512.0%
      Edgewater, NJ12,890512.0%
      Glendale, WI12,8904412.0%
      Key Biscayne, FL12,8674118.0%
      Source: The Key Biscayne, 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.