TODAY FEB27
TEMPERATURE28
HUMIDITY55
PRESSURE29.75
WIND COND.
  • 3612Sat20%
  • 3513Sun
  • 4822Mon
  • 5426Tue
  • 5427Wed
daynightWeather update from Erie Municipal Airport at

Key findings

  • The highest monthly average temperature in Lafayette for July is 75 degrees
  • The lowest monthly average temperature in Lafayette for December is 30 degrees
  • The most monthly precipitation in Lafayette occurs in November with 2.6 inches
  • The air quality index in Lafayette is 5% better than the national average
  • The pollution index in Lafayette is 70% better than the national average

Compare Lafayette, CO Weather

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      Lafayette 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
      January18°F48°F32°F1.2"
      February21°F50°F34°F1.5"
      March30°F62°F44°F1.6"
      April36°F66°F49°F0.2"
      May43°F73°F57°F2.4"
      June54°F89°F71°F1.1"
      July59°F92°F75°F2.1"
      August56°F90°F72°F1.1"
      September49°F82°F64°F0.2"
      October38°F69°F52°F2.1"
      November28°F58°F41°F2.6"
      December17°F46°F30°F0.7"

      Lafayette 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.
      IndexLafayetteColoradoNational
      Air quality index473850
      Pollution index1,525,2602,034,6195,066,862

      Lafayette air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality227
      Days with moderate air quality133
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality0

      Lafayette air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.020%
      Carbon Tetrachloride0.003%
      Lead0.020%
      Mercury0.001%

      Average monthly Lafayette temperature with heat index

      Lafayette monthly precipitation with daily maximum

      Lafayette monthly snow depth with daily maximum

      Lafayette monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Coal Creek town, CO308476%
      Paragon Estates, CO892476%
      Niwot, CO4,588476%
      Dakota Ridge, CO34,133476%
      Blue Sky, CO15476%
      Lafayette, CO27,053476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      West Whittier-Los Nietos, CA27,0717244%
      Tualatin, OR27,0243824%
      Easton, PA27,0144216%
      Garden City, MI27,0095612%
      Short Pump, VA27,0994412%
      Lafayette, CO27,053476%
      Source: The Lafayette, 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.