TODAY NOV22
TEMPERATURE12
HUMIDITY84
PRESSURE102950
WIND COND.250 7.6
  • 475
  • 4812Sat
  • 5222Sun
  • 4723Mon20%
  • 4724Tue30%40%
daynightWeather update from San Luis Valley Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Alamosa for July is 65.6 degrees
  • The lowest monthly average temperature in Alamosa for January is 14.9 degrees
  • The most monthly precipitation in Alamosa occurs in July with 1.4 inches
  • The air quality index in Alamosa is 62% better than the national average
  • The pollution index in Alamosa is 88% better than the national average

Compare Alamosa, CO Weather

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      Alamosa 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"

      Alamosa 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.
      IndexAlamosaColoradoNational
      Air quality index163842
      Pollution index328,4712,068,3422,726,193

      Alamosa air quality

      MeasurementTotal
      Days measured62
      Days with good air quality60
      Days with moderate air quality2
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Air quality details

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

      Average monthly Alamosa temperature with heat index

      Alamosa monthly precipitation with daily maximum

      Alamosa monthly snow depth with daily maximum

      Alamosa monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Capulin, CO1641570.0%
      La Jara, CO8801570.0%
      Alamosa East, CO9871668.0%
      Alamosa, CO9,3601668.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Amherst, NS9,360n/a 
      Woodfield, SC9,3614314.0%
      Laurentian Valley, ON9,362n/a 
      Augusta, KS9,3634020.0%
      Fairfield Glade, TN9,364536.0%
      Alamosa, CO9,3601668.0%
      Source: The Alamosa, 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.