TODAY MAY14
TEMPERATURE46
HUMIDITY86
PRESSURE30.14
WIND COND.340 5.4
  • 744750%
  • 6850Sat40%
  • 6850Sun30%70%
  • 6650Mon40%
  • 6949Tue
daynightWeather update from Greeley, Greeley-Weld County Airport at

Key findings

  • The highest monthly average temperature in Greeley for July is 75.2 degrees
  • The lowest monthly average temperature in Greeley for January is 19.2 degrees
  • The most monthly precipitation in Greeley occurs in June with 12.6 inches
  • The air quality index in Greeley is 10% better than the national average
  • The pollution index in Greeley is 98% better than the national average

Compare Greeley, CO Weather

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      Greeley 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
      January8°F37°F19°F0.3"
      February17°F44°F28°F0.2"
      March28°F61°F41°F3.1"
      April34°F66°F48°F2.5"
      May43°F76°F58°F3.0"
      June51°F86°F67°F12.6"
      July58°F95°F75°F5.0"
      August55°F90°F70°F4.3"
      September47°F84°F62°F3.5"
      October36°F71°F49°F1.4"
      November24°F59°F37°F0.5"
      December9°F39°F21°F1.0"

      Greeley 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.
      IndexGreeleyColoradoNational
      Air quality index453850
      Pollution index79,5202,034,6195,066,862

      Greeley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality252
      Days with moderate air quality110
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Greeley air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.001%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Greeley temperature with heat index

      Greeley monthly precipitation with daily maximum

      Greeley monthly snow depth with daily maximum

      Greeley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Johnstown, CO14,3794510%
      Evans, CO20,7674510%
      Ault, CO1,8694510%
      Windsor, CO21,1544510%
      Mead, CO4,1814510%
      Greeley, CO98,9754510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Flint, MI98,9183824%
      Davie, FL98,7174118%
      San Angelo, TX98,6942844%
      Roanoke, VA99,3293824%
      Vista, CA98,5606428%
      Greeley, CO98,9754510%
      Source: The Greeley, 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.