TODAY DEC23
TEMPERATURE58
HUMIDITY70
PRESSURE102780
WIND COND.30 35.3
  • 6151Mon30%
  • 6353Tue
  • 665920%
  • 6760Thu20%20%
  • 6861Fri20%20%
daynightWeather update from Mayport Naval Station - Adm David L. McDonald Field at
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Weather Quick Facts

  • The highest monthly average temperature in Neptune Beach for August is 83.7 degrees
  • The lowest monthly average temperature in Neptune Beach for January is 56.4 degrees
  • The most monthly precipitation in Neptune Beach occurs in June with 8.1 inches
  • The air quality index in Neptune Beach is 2% worse than the national average
  • The pollution index in Neptune Beach is 140% worse than the national average

Compare Jacksonville, FL Weather

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      Neptune Beach 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
      January47°F67°F56°F3.1"
      February49°F70°F59°F2.9"
      March55°F76°F65°F2.8"
      April63°F82°F72°F2.6"
      May69°F87°F77°F4.8"
      June75°F92°F82°F8.1"
      July77°F93°F84°F6.4"
      August77°F93°F84°F6.7"
      September75°F89°F81°F4.7"
      October66°F83°F74°F3.4"
      November56°F75°F65°F1.8"
      December52°F71°F60°F2.9"

      Neptune Beach 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.
      IndexNeptune BeachJacksonvilleFlorida
      Air quality index434335
      Pollution index6,554,7106,554,7107,570,785

      Neptune Beach air quality

      MeasurementTotal
      Days measured365
      Days with good air quality245
      Days with moderate air quality119
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.020%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.070%
      Mercury0.010%

      Average monthly Neptune Beach temperature with heat index

      Neptune Beach monthly precipitation with daily maximum

      Neptune Beach monthly snow depth with daily maximum

      Neptune Beach monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Jacksonville Beach, FL23,5624314.0%
      Neptune Beach, FL7,2144314.0%
      Palm Valley, FL20,5404314.0%
      Atlantic Beach, FL13,8314314.0%
      Sawgrass, FL4,0944314.0%
      Jacksonville, FL902,4884314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fort Worth, TX892,221512.0%
      Columbus, OH889,079468.0%
      San Francisco, CA874,7844020.0%
      Charlotte, NC873,570492.0%
      Indianapolis, IN869,387548.0%
      Jacksonville, FL902,4884314.0%
      Source: The Neptune Beach, Jacksonville, 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.