TODAY MAY10
TEMPERATURE67
HUMIDITY71
PRESSURE29.76
WIND COND.220 27.7
  • 6749Mon20%
  • 6645Tue
  • 6647Wed
  • 6649Thu
  • 6851Fri
daynightWeather update from Ocean City, Ocean City Municipal Airport at

Key findings

  • The highest monthly average temperature in South Bethany for August is 77.6 degrees
  • The lowest monthly average temperature in South Bethany for February is 34.9 degrees
  • The most monthly precipitation in South Bethany occurs in October with 7.4 inches
  • The air quality index in South Bethany is 28% better than the national average
  • The pollution index in South Bethany is 42% worse than the national average

Compare South Bethany, DE Weather

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      South Bethany 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
      January30°F49°F40°F5.8"
      February26°F44°F35°F4.8"
      March34°F52°F43°F6.6"
      April43°F62°F52°F7.0"
      May50°F69°F60°F5.2"
      June64°F79°F71°F7.2"
      July69°F85°F77°F6.9"
      August70°F86°F78°F2.9"
      September62°F80°F72°F2.6"
      October54°F71°F63°F7.4"
      November41°F59°F50°F4.3"
      December32°F50°F41°F6.8"

      South Bethany 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.
      IndexSouth BethanyDelawareNational
      Air quality index364150
      Pollution index7,219,5403,759,2125,066,862

      South Bethany air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      South Bethany air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.070%
      Carbon Tetrachloride0.000%
      Lead0.030%
      Mercury0.110%

      Average monthly South Bethany temperature with heat index

      South Bethany monthly precipitation with daily maximum

      South Bethany monthly snow depth with daily maximum

      South Bethany monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Dagsboro, DE9313628%
      Long Neck, DE2,6563628%
      Rehoboth Beach, DE1,1193628%
      Whaleyville, MD1023628%
      Fenwick Island, DE3983628%
      South Bethany, DE4243628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fielding, UT4244412%
      Deer Park, MD4243628%
      Nakaibito, NM4241766%
      Zephyr Cove, NV4241374%
      Burnettsville, IN4244216%
      South Bethany, DE4243628%
      Source: The South Bethany, DE 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.