TODAY MAR04
TEMPERATURE25
HUMIDITY100
PRESSURE
WIND COND.250 20.5
  • 4823Fri
  • 5029Sat
  • 5329Sun
  • 5531Mon
  • 4823Tue
daynightWeather update from La Veta Mountain, La Veta Pass at

Key findings

  • The highest monthly average temperature in San Luis for July is 66 degrees
  • The lowest monthly average temperature in San Luis for January is 15 degrees
  • The most monthly precipitation in San Luis occurs in July with 1.4 inches
  • The air quality index in San Luis is 70% better than the national average
  • The pollution index in San Luis is 94% better than the national average

Compare San Luis, CO Weather

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      San Luis 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
      January-2°F35°F15°F0.4"
      February6°F43°F24°F0.3"
      March17°F56°F36°F0.6"
      April24°F63°F44°F0.7"
      May32°F71°F52°F0.7"
      June40°F83°F63°F0.3"
      July47°F85°F66°F1.4"
      August44°F82°F63°F1.1"
      September36°F77°F56°F1.1"
      October25°F66°F44°F0.8"
      November12°F53°F31°F0.5"
      December0°F38°F18°F0.5"

      San Luis 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.
      IndexSan LuisColoradoNational
      Air quality index153850
      Pollution index292,5392,034,6195,066,862

      San Luis air quality information

      MeasurementTotal
      Days measured358
      Days with good air quality334
      Days with moderate air quality24
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      San Luis air quality information

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

      Average monthly San Luis temperature with heat index

      San Luis monthly precipitation with daily maximum

      San Luis monthly snow depth with daily maximum

      San Luis monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      San Acacio, CO681570%
      San Luis, CO6781570%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Millsboro, PA6783628%
      Farmersville, IL6784020%
      Riceboro, GA6783922%
      Interlaken, NY6783432%
      Washington, OK677484%
      San Luis, CO6781570%
      Source: The San Luis, 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.