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Key findings

  • The highest monthly average temperature in Holly for July is 79.1 degrees
  • The lowest monthly average temperature in Holly for January is 28 degrees
  • The most monthly precipitation in Holly occurs in July with 2.7 inches
  • The air quality index in Holly is 70% better than the national average
  • The pollution index in Holly is 78% better than the national average

Compare Holly, CO Weather

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      Holly 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
      January14°F46°F28°F0.2"
      February18°F50°F33°F0.2"
      March27°F65°F45°F0.4"
      April36°F72°F53°F1.0"
      May45°F81°F62°F1.7"
      June57°F94°F75°F1.7"
      July63°F96°F79°F2.7"
      August60°F93°F76°F2.4"
      September51°F87°F68°F1.2"
      October37°F73°F53°F0.6"
      November25°F61°F41°F0.2"
      December14°F46°F28°F0.3"

      Holly 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.
      IndexHollyColoradoNational
      Air quality index153850
      Pollution index1,090,7502,034,6195,066,862

      Holly air quality information

      MeasurementTotal
      Days measured304
      Days with good air quality301
      Days with moderate air quality3
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Holly air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Holly temperature with heat index

      Holly monthly precipitation with daily maximum

      Holly monthly snow depth with daily maximum

      Holly monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Hartman, CO671570%
      Coolidge, KS971570%
      Granada, CO6152060%
      Holly, CO9321570%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Wilson, AR9324510%
      South Henderson, NC932468%
      Keota, IA9323530%
      Harlowton, MT9322158%
      Mission, OR9323824%
      Holly, CO9321570%
      Source: The Holly, 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.