TODAY DEC22
TEMPERATURE25
HUMIDITY55
PRESSURE102980
WIND COND.
  • 3615Sun
  • 4026Mon
  • 4831Tue
  • 4633
  • 4833Thu
daynightWeather update from Ashland, Hanover County Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Dumbarton for July is 78.5 degrees
  • The lowest monthly average temperature in Dumbarton for January is 38 degrees
  • The most monthly precipitation in Dumbarton occurs in October with 8.4 inches
  • The air quality index in Dumbarton is 5% worse than the national average
  • The pollution index in Dumbarton is 96% worse than the national average

Compare Dumbarton, VA Weather

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      Dumbarton 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
      January28°F49°F38°F6.6"
      February29°F52°F40°F4.8"
      March36°F61°F48°F6.3"
      April46°F72°F59°F6.8"
      May55°F79°F66°F7.2"
      June64°F87°F75°F8.1"
      July68°F90°F78°F6.8"
      August66°F88°F77°F7.1"
      September60°F82°F70°F6.7"
      October49°F72°F59°F8.4"
      November38°F62°F49°F8.3"
      December32°F53°F42°F8.0"

      Dumbarton 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.
      IndexDumbartonVirginiaNational
      Air quality index445842
      Pollution index5,336,0701,561,8812,726,193

      Dumbarton air quality

      MeasurementTotal
      Days measured365
      Days with good air quality272
      Days with moderate air quality93
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.200%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.050%
      Mercury0.010%

      Average monthly Dumbarton temperature with heat index

      Dumbarton monthly precipitation with daily maximum

      Dumbarton monthly snow depth with daily maximum

      Dumbarton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Montrose, VA7,6394412.0%
      Tuckahoe, VA48,5174412.0%
      Bellwood, VA7,8084412.0%
      Glen Allen, VA14,8424412.0%
      Manchester, VA11,8144412.0%
      Dumbarton, VA8,4114412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Westwego, LA8,4114510.0%
      Heber, CA8,4135816.0%
      Spring Valley Lake, CA8,4088978.0%
      Greenville, MI8,4073824.0%
      Hyrum, UT8,4154412.0%
      Dumbarton, VA8,4114412.0%
      Source: The Dumbarton, 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.