TODAY DEC22
TEMPERATURE54
HUMIDITY84
PRESSURE102000
WIND COND.330 22.3
  • 7159Sun20%30%
  • 7360Mon30%30%
  • 7462Tue30%20%
  • 756420%40%
  • 7665Thu20%20%
daynightWeather update from Cocoa - Patrick Air Force Base at
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Weather Quick Facts

  • The highest monthly average temperature in Merritt Island for August is 82.6 degrees
  • The lowest monthly average temperature in Merritt Island for January is 63.1 degrees
  • The most monthly precipitation in Merritt Island occurs in August with 10 inches
  • The air quality index in Merritt Island is 14% better than the national average
  • The pollution index in Merritt Island is 513% worse than the national average

Compare Merritt Island, FL Weather

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      Merritt Island 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
      January56°F72°F63°F7.7"
      February57°F73°F64°F5.6"
      March62°F76°F69°F7.5"
      April68°F81°F74°F5.5"
      May72°F84°F78°F7.7"
      June75°F87°F81°F8.4"
      July77°F88°F82°F8.1"
      August78°F89°F83°F10.0"
      September77°F87°F82°F8.0"
      October72°F83°F77°F9.7"
      November65°F77°F70°F5.0"
      December61°F75°F67°F4.6"

      Merritt Island 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.
      IndexMerritt IslandFloridaNational
      Air quality index363542
      Pollution index16,722,7007,570,7852,726,193

      Merritt Island air quality

      MeasurementTotal
      Days measured351
      Days with good air quality336
      Days with moderate air quality15
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.050%
      Benzene0.210%
      Carbon Tetrachloride0.030%
      Lead0.190%
      Mercury0.010%

      Average monthly Merritt Island temperature with heat index

      Merritt Island monthly precipitation with daily maximum

      Merritt Island monthly snow depth with daily maximum

      Merritt Island monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Cocoa West, FL5,9663628.0%
      South Patrick Shores, FL7,1243628.0%
      Cape Canaveral, FL10,4113628.0%
      Indian Harbour Beach, FL8,5093628.0%
      Rockledge, FL27,7393628.0%
      Merritt Island, FL33,9753628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Pullman, WA33,9741864.0%
      Salisbury, NC33,9614020.0%
      North Ridgeville, OH33,96150= 100
      Sun Prairie, WI33,9543922.0%
      Cookeville, TN33,9222550.0%
      Merritt Island, FL33,9753628.0%
      Source: The Merritt Island, 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.