TODAY MAY07
TEMPERATURE46
HUMIDITY39
PRESSURE
WIND COND.240 22.3
  • 6837
  • 5727Sat20%20%
  • 5229Sun20%60%
  • 4226Mon70%
  • 4624Tue
daynightWeather update from Copper Mountain - Red Cliff Pass at

Key findings

  • The highest monthly average temperature in Dillon for July is 55.7 degrees
  • The lowest monthly average temperature in Dillon for January is 16.9 degrees
  • The most monthly precipitation in Dillon occurs in August with 2 inches
  • The air quality index in Dillon is 5% better than the national average
  • The pollution index in Dillon is 82% better than the national average

Compare Dillon, CO Weather

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      Dillon 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
      January5°F30°F17°F1.4"
      February7°F31°F18°F1.1"
      March13°F39°F26°F1.3"
      April19°F44°F31°F1.7"
      May27°F55°F40°F1.4"
      June34°F69°F53°F0.5"
      July40°F72°F56°F1.9"
      August38°F69°F53°F2.0"
      September32°F63°F47°F1.4"
      October24°F51°F37°F1.1"
      November15°F41°F27°F1.0"
      December6°F30°F18°F1.4"

      Dillon 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.
      IndexDillonColoradoNational
      Air quality index473850
      Pollution index908,1832,034,6195,066,862

      Dillon 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

      Dillon air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.000%
      Mercury0.000%

      Average monthly Dillon temperature with heat index

      Dillon monthly precipitation with daily maximum

      Dillon monthly snow depth with daily maximum

      Dillon monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Blue River, CO735476%
      Frisco, CO2,909476%
      Aetna Estates, CO1,366476%
      Keystone, CO877476%
      Breckenridge, CO4,732476%
      Dillon, CO992476%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ipswich, SD9922060%
      Garberville, CA9922746%
      Lisbon, NH9924020%
      Green Lake, WI9923628%
      Axis, AL9924216%
      Dillon, CO992476%
      Source: The Dillon, 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.