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Key findings

  • The highest monthly average temperature in Longboat Key for August is 83 degrees
  • The lowest monthly average temperature in Longboat Key for January is 61 degrees
  • The most monthly precipitation in Longboat Key occurs in August with 8.6 inches
  • The air quality index in Longboat Key is 24% better than the national average
  • The pollution index in Longboat Key is 272% worse than the national average

Compare Longboat Key, FL Weather

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      Longboat 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
      January52°F73°F61°F2.6"
      February53°F74°F63°F1.5"
      March57°F78°F67°F2.2"
      April63°F83°F73°F2.0"
      May68°F87°F78°F3.0"
      June74°F90°F81°F6.7"
      July75°F91°F82°F7.1"
      August76°F91°F83°F8.6"
      September74°F90°F81°F7.6"
      October68°F86°F76°F2.5"
      November59°F80°F68°F1.2"
      December56°F77°F66°F1.2"

      Longboat 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.
      IndexLongboat KeyFloridaNational
      Air quality index383550
      Pollution index18,829,90015,391,3445,066,862

      Longboat Key air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality308
      Days with moderate air quality56
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Longboat Key air quality information

      PollutantTotal
      Arsenic0.050%
      Benzene0.220%
      Carbon Tetrachloride0.000%
      Lead0.130%
      Mercury0.050%

      Average monthly Longboat Key temperature with heat index

      Longboat Key monthly precipitation with daily maximum

      Longboat Key monthly snow depth with daily maximum

      Longboat Key monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Cortez, FL4,0043824%
      Kensington Park, FL4,3203824%
      Samoset, FL4,2433824%
      West Samoset, FL6,8363824%
      Fruitville, FL13,3333824%
      Longboat Key, FL7,1583824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hughson, CA7,160492%
      Hiawatha, IA7,1603922%
      Floresville, TX7,154492%
      Glenolden, PA7,167512%
      Demopolis, AL7,1673628%
      Longboat Key, FL7,1583824%
      Source: The Longboat 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.