TODAY DEC22
TEMPERATURE
HUMIDITY34
PRESSURE103220
WIND COND.
  • 3125Mon
  • 4328Tue50%
  • 4028
  • 4130Thu
  • 4433Fri
daynightWeather update from Baltimore, Inner Harbor at
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Weather Quick Facts

  • The highest monthly average temperature in Timonium for July is 81.8 degrees
  • The lowest monthly average temperature in Timonium for January is 37 degrees
  • The most monthly precipitation in Timonium occurs in July with 5 inches
  • The air quality index in Timonium is 9% worse than the national average
  • The pollution index in Timonium is 260% worse than the national average

Compare Timonium, MD Weather

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      Timonium 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
      January32°F44°F37°F2.7"
      February32°F45°F38°F2.7"
      March40°F55°F47°F3.4"
      April51°F68°F59°F3.8"
      May60°F76°F67°F3.9"
      June70°F86°F77°F4.5"
      July75°F90°F82°F5.0"
      August73°F87°F79°F4.6"
      September67°F80°F73°F4.4"
      October55°F69°F62°F4.6"
      November45°F58°F50°F2.4"
      December37°F48°F42°F4.1"

      Timonium 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.
      IndexTimoniumMarylandNational
      Air quality index464342
      Pollution index9,823,9205,342,3672,726,193

      Timonium air quality

      MeasurementTotal
      Days measured365
      Days with good air quality223
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.050%
      Lead0.030%
      Mercury0.140%

      Average monthly Timonium temperature with heat index

      Timonium monthly precipitation with daily maximum

      Timonium monthly snow depth with daily maximum

      Timonium monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Manchester, MD4,7524216.0%
      Bel Air CDP, MD1,383468.0%
      Fallston, MD9,118468.0%
      Perry Hall, MD27,778468.0%
      Baltimore Highlands, MD7,880468.0%
      Timonium, MD10,642468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Corning, NY10,6423530.0%
      Lansdowne, PA10,637512.0%
      Forestville, OH10,648548.0%
      Millington, TN10,6504510.0%
      New Port Richey East, FL10,6514314.0%
      Timonium, MD10,642468.0%
      Source: The Timonium, MD 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.