TODAY NOV21
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 6947Fri
  • 6751Sat
  • 7459Sun
  • 7762Mon
  • 7863Tue
daynightWeather update from Sebastian Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Sebastian for August is 81.8 degrees
  • The lowest monthly average temperature in Sebastian for January is 63.3 degrees
  • The most monthly precipitation in Sebastian occurs in September with 8.5 inches
  • The air quality index in Sebastian is 14% better than the national average
  • The pollution index in Sebastian is 20% worse than the national average

Compare Sebastian, FL Weather

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      Sebastian 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°F75°F63°F3.0"
      February54°F78°F66°F2.0"
      March58°F80°F69°F2.3"
      April64°F84°F74°F3.0"
      May67°F87°F77°F6.1"
      June72°F90°F80°F4.9"
      July73°F91°F81°F4.7"
      August74°F92°F82°F8.1"
      September73°F89°F80°F8.5"
      October68°F85°F76°F6.0"
      November61°F80°F70°F3.0"
      December57°F78°F67°F3.2"

      Sebastian 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.
      IndexSebastianFloridaNational
      Air quality index363542
      Pollution index3,269,2707,570,7852,726,193

      Sebastian air quality

      MeasurementTotal
      Days measured335
      Days with good air quality324
      Days with moderate air quality11
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.050%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly Sebastian temperature with heat index

      Sebastian monthly precipitation with daily maximum

      Sebastian monthly snow depth with daily maximum

      Sebastian monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Indian River Shores, FL4,2553628.0%
      Vero Beach South, FL28,6763628.0%
      Windsor, FL3773628.0%
      Malabar, FL3,1233628.0%
      Orchid, FL4803628.0%
      Sebastian, FL25,6133628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lochearn, MD25,612468.0%
      Ruskin, FL25,6403824.0%
      Fairland, MD25,649476.0%
      Madison, MS25,6504412.0%
      Moscow, ID25,6521080.0%
      Sebastian, FL25,6133628.0%
      Source: The Sebastian, 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.