TODAY APR19
TEMPERATURE53
HUMIDITY83
PRESSURE101900
WIND COND.70 18.4
  • 6543Sat40%
  • 5644Sun
  • 6046Mon
  • 5850Tue
  • 6342Wed30%
daynightWeather update from Wildwood, Cape May County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Sea Isle City for July is 76.7 degrees
  • The lowest monthly average temperature in Sea Isle City for January is 35.8 degrees
  • The most monthly precipitation in Sea Isle City occurs in August with 11.2 inches
  • The air quality index in Sea Isle City is 12% better than the national average
  • The pollution index in Sea Isle City is 112% worse than the national average

Compare Sea Isle City, NJ Weather

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      Sea Isle City 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
      January29°F43°F36°F4.6"
      February30°F44°F36°F3.9"
      March36°F52°F43°F6.1"
      April46°F62°F53°F4.3"
      May55°F71°F63°F5.1"
      June65°F80°F72°F8.3"
      July70°F85°F77°F6.9"
      August68°F83°F75°F11.2"
      September62°F77°F69°F9.5"
      October52°F68°F59°F6.7"
      November41°F57°F49°F5.5"
      December35°F49°F42°F9.2"

      Sea Isle City 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.
      IndexSea Isle CityNew JerseyNational
      Air quality index374542
      Pollution index5,772,2707,246,8912,726,193

      Sea Isle City air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality328
      Days with moderate air quality36
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Sea Isle City air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.040%
      Carbon Tetrachloride0.010%
      Lead0.030%
      Mercury0.030%

      Average monthly Sea Isle City temperature with heat index

      Sea Isle City monthly precipitation with daily maximum

      Sea Isle City monthly snow depth with daily maximum

      Sea Isle City monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Margate City, NJ5,9213726.0%
      Ventnor City, NJ9,9953726.0%
      Stone Harbor, NJ8763726.0%
      West Wildwood, NJ4093726.0%
      Northfield, NJ8,0883726.0%
      Sea Isle City, NJ2,1223726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Thorsby, AL2,122536.0%
      Moundridge, KS2,1214020.0%
      Eureka Mill, SC2,1213628.0%
      Lillian, AL2,1204118.0%
      South Taft, CA2,1206734.0%
      Sea Isle City, NJ2,1223726.0%
      Source: The Sea Isle City, NJ 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.