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Key findings

  • The highest monthly average temperature in London for August is 83 degrees
  • The lowest monthly average temperature in London for December is 40 degrees
  • The most monthly precipitation in London occurs in September with 12.1 inches
  • The air quality index in London is 24% better than the national average
  • The pollution index in London is 53% better than the national average

Compare London, AR Weather

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      London 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
      January33°F52°F41°F8.9"
      February34°F56°F44°F3.8"
      March43°F68°F54°F5.7"
      April47°F72°F58°F4.8"
      May58°F81°F69°F3.2"
      June67°F89°F77°F6.8"
      July69°F92°F79°F4.8"
      August72°F98°F83°F7.9"
      September65°F88°F75°F12.1"
      October52°F76°F62°F4.4"
      November40°F65°F52°F3.2"
      December30°F52°F40°F10.6"

      London 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.
      IndexLondonArkansasNational
      Air quality index383850
      Pollution index2,360,1501,270,1085,066,862

      London air quality information

      MeasurementTotal
      Days measured121
      Days with good air quality93
      Days with moderate air quality28
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      London air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.020%
      Mercury0.000%

      Average monthly London temperature with heat index

      London monthly precipitation with daily maximum

      London monthly snow depth with daily maximum

      London monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Lamar, AR1,6463628%
      New Blaine, AR1323628%
      Dover, AR1,5533628%
      Clarksville, AR9,3913628%
      Knoxville, AR8513628%
      London, AR9353824%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Blue Hill, NE9351962%
      Halsey, OR9351766%
      Granite, UT935512%
      Mendon, IL9354118%
      Wilton, NH9353726%
      London, AR9353824%
      Source: The London, AR 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.