TODAY DEC18
TEMPERATURE44
HUMIDITY85
PRESSURE102540
WIND COND.170 13
  • 5338Wed20%90%
  • 4530Thu
  • 4429Fri30%
  • 3721Sat
  • 3216Sun
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Southern Gateway for July is 78 degrees
  • The lowest monthly average temperature in Southern Gateway for January is 35.4 degrees
  • The most monthly precipitation in Southern Gateway occurs in July with 8.7 inches
  • The air quality index in Southern Gateway is 12% worse than the national average
  • The pollution index in Southern Gateway is 69% better than the national average

Compare Southern Gateway, VA Weather

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      Southern Gateway 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
      January27°F45°F35°F4.8"
      February28°F47°F36°F6.4"
      March36°F57°F46°F6.0"
      April45°F68°F56°F6.7"
      May55°F76°F65°F6.5"
      June64°F84°F74°F8.6"
      July68°F88°F78°F8.7"
      August66°F86°F76°F7.5"
      September60°F80°F69°F8.6"
      October49°F69°F58°F8.1"
      November38°F58°F47°F7.5"
      December32°F50°F40°F7.1"

      Southern Gateway 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.
      IndexSouthern GatewayVirginiaNational
      Air quality index475842
      Pollution index849,1851,561,8812,726,193

      Southern Gateway air quality

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.003%
      Mercury0.000%

      Average monthly Southern Gateway temperature with heat index

      Southern Gateway monthly precipitation with daily maximum

      Southern Gateway monthly snow depth with daily maximum

      Southern Gateway monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gambrills, MD2,929468.0%
      Odenton, MD42,258468.0%
      Newington, VA13,452476.0%
      Rose Hill CDP (Lee County), VA708476.0%
      Woodlawn CDP (Carroll County), VA2,247476.0%
      Southern Gateway, VA3,291476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Red Springs, NC3,2913040.0%
      Haughton, LA3,2923922.0%
      Plainview, MN3,2923628.0%
      Bonavista, NL3,292n/a 
      Skidway Lake, MI3,2892648.0%
      Southern Gateway, VA3,291476.0%
      Source: The Southern Gateway, VA 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.