TODAY APR19
TEMPERATURE72
HUMIDITY43
PRESSURE101630
WIND COND.150 5.4
  • 6343Fri60%
  • 5435Sat
  • 5435Sun
  • 6143Mon
  • 6443Tue30%60%
daynightWeather update from Columbus, Bolton Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in London for July is 72.5 degrees
  • The lowest monthly average temperature in London for January is 28.6 degrees
  • The most monthly precipitation in London occurs in July with 8.1 inches
  • The air quality index in London is 7% worse than the national average
  • The pollution index in London is 63% better than the national average

Compare London, OH 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
      January22°F36°F29°F2.2"
      February22°F38°F29°F2.6"
      March33°F51°F41°F4.9"
      April43°F64°F53°F4.3"
      May53°F74°F63°F5.0"
      June61°F81°F71°F4.4"
      July64°F82°F73°F8.1"
      August62°F82°F72°F7.0"
      September55°F76°F65°F5.2"
      October44°F65°F54°F5.1"
      November34°F53°F43°F4.0"
      December27°F41°F34°F2.7"

      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.
      IndexLondonOhioNational
      Air quality index454042
      Pollution index1,015,9504,472,3862,726,193

      London air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality220
      Days with moderate air quality143
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      London air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.010%
      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

      CityPopulationAir Quality IndexNational Avg.
      Midway, OH3003824.0%
      Mount Sterling, OH2,0233824.0%
      South Vienna, OH5684510.0%
      Mechanicsburg, OH1,9214510.0%
      Mutual, OH804510.0%
      London, OH10,2414510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Belle Chasse, LA10,2414510.0%
      Canandaigua, NY10,2413726.0%
      Doraville, GA10,244524.0%
      Sumner, WA10,2464510.0%
      Shasta Lake, CA10,2354216.0%
      London, OH10,2414510.0%
      Source: The London, OH 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.