TODAY MAY13
TEMPERATURE75
HUMIDITY72
PRESSURE30.01
WIND COND.20 9.4
  • 806630%40%
  • 8069Fri20%20%
  • 8071Sat
  • 8069Sun
  • 8271Mon
daynightWeather update from Cocoa - Patrick Air Force Base at

Key findings

  • 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 28% better than the national average
  • The pollution index in Merritt Island is 230% 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 index363550
      Pollution index16,722,70015,391,3445,066,862

      Merritt Island air quality information

      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

      Merritt Island air quality information

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Cocoa, FL17,5583628%
      Palm Shores, FL1,2423628%
      Satellite Beach, FL10,4953628%
      Viera West, FL8,6803628%
      Cocoa Beach, FL11,4663628%
      Merritt Island, FL35,9163628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Richfield, MN35,912468%
      Goldsboro, NC35,9244020%
      Bell, CA35,9277244%
      Pahrump, NV35,8991570%
      Leavenworth, KS35,948476%
      Merritt Island, FL35,9163628%
      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.