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Louisville Average Weather

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"

Did you know?

  • The highest monthly average temperature in Louisville for July is 75 degrees.
  • The lowest monthly average temperature in Louisville for December is 30 degrees.
  • The most monthly precipitation in Louisville occurs in November with 2.6 inches.
  • The air quality index in Louisville is 15% better than the national average.
  • The pollution index in Louisville is 70% better than the national average.

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Compare Louisville, CO Weather To Other Cities

Louisville 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.
IndexLouisvilleColoradoNational
Air quality index423850
Pollution index1,498,6502,034,6195,066,862

Louisville air quality information

MeasurementTotal
Days measured363
Days with good air quality296
Days with moderate air quality63
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Louisville air quality information

PollutantTotal
Arsenic0.000%
Benzene0.030%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.001%

Average monthly Louisville temperature with heat index

Louisville monthly precipitation with daily maximum

Louisville monthly snow depth with daily maximum

Louisville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Coal Creek, CO1,8214216%
Dacono, CO4,6234216%
Erie, CO20,8014216%
Frederick, CO10,7914216%
Lafayette, CO27,0534216%
Louisville, CO19,9724216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Haslett, MI19,9513432%
Lake Zurich, IL19,9506020%
Shenandoah, LA19,999468%
Franconia, VA19,935492%
Warrensburg, MO19,9325816%
Louisville, CO19,9724216%
Source: The Louisville, 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.