TODAY DEC23
TEMPERATURE34
HUMIDITY34
PRESSURE
WIND COND.260 14.8
  • 4620Mon
  • 4423Tue
  • 421750%50%
  • 3919Thu
  • 3516Fri20%
daynightWeather update from La Veta Mountain, La Veta Pass at
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Weather Quick Facts

  • The highest monthly average temperature in San Luis for July is 65.6 degrees
  • The lowest monthly average temperature in San Luis for January is 14.9 degrees
  • The most monthly precipitation in San Luis occurs in July with 1.4 inches
  • The air quality index in San Luis is 64% better than the national average
  • The pollution index in San Luis is 89% 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 index153842
      Pollution index292,5392,068,3422,726,193

      San Luis air quality

      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

      Air quality details

      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

      CityPopulationAir Quality IndexNational Avg.
      San Acacio, CO1351570.0%
      San Luis, CO6651570.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Grimes, AL6653530.0%
      Culbertson, MT6653432.0%
      Caledonia, OH6654118.0%
      Marion Heights, PA6654216.0%
      Campobello, SC6654412.0%
      San Luis, CO6651570.0%
      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.