TODAY NOV09
TEMPERATURE31
HUMIDITY92
PRESSURE101390
WIND COND.340 24.1
  • 4328Sat60%
  • 5228Sun
  • 5232
  • 5326Tue
  • 5131Wed
daynightWeather update from Denver - Centennial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Meridian for July is 72.9 degrees
  • The lowest monthly average temperature in Meridian for December is 30.2 degrees
  • The most monthly precipitation in Meridian occurs in July with 2.3 inches
  • The air quality index in Meridian is 38% worse than the national average
  • The pollution index in Meridian is 282% worse than the national average

Compare Meridian, CO Weather

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      Meridian 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
      January19°F46°F32°F0.5"
      February20°F48°F33°F0.5"
      March28°F58°F42°F0.9"
      April33°F63°F47°F2.0"
      May42°F70°F55°F2.3"
      June53°F85°F68°F2.0"
      July59°F88°F73°F2.3"
      August57°F86°F71°F2.1"
      September49°F79°F63°F1.7"
      October37°F67°F51°F1.3"
      November28°F58°F41°F0.4"
      December18°F45°F30°F0.5"

      Meridian 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.
      IndexMeridianColoradoNational
      Air quality index583842
      Pollution index10,406,9002,068,3422,726,193

      Meridian air quality

      MeasurementTotal
      Days measured365
      Days with good air quality91
      Days with moderate air quality252
      Days w/ poor A.Q. for sensitive groups20
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic0.080%
      Benzene0.070%
      Carbon Tetrachloride0.010%
      Lead0.250%
      Mercury0.100%

      Average monthly Meridian temperature with heat index

      Meridian monthly precipitation with daily maximum

      Meridian monthly snow depth with daily maximum

      Meridian monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Bow Mar, CO9695816.0%
      Holly Hills, CO2,8155816.0%
      Denver, CO715,8785816.0%
      Elizabeth, CO1,7545816.0%
      Roxborough Park, CO9,0045816.0%
      Meridian, CO4,7925816.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Penns Grove, NJ4,793512.0%
      Holts Summit, MO4,7903922.0%
      West Milton, OH4,790476.0%
      Nassau Village-Ratliff, FL4,7894314.0%
      Shenandoah, PA4,7894216.0%
      Meridian, CO4,7925816.0%
      Source: The Meridian, CO 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.