TODAY DEC27
TEMPERATURE42
HUMIDITY52
PRESSURE
WIND COND.280 25.9
  • 6437Fri
  • 6438Sat
  • 6841Sun
  • 7026Mon
  • 5222Tue
daynightWeather update from Cannon Air Force Base / Clovis at
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Weather Quick Facts

  • The highest monthly average temperature in Portales for July is 77.5 degrees
  • The lowest monthly average temperature in Portales for January is 37.5 degrees
  • The most monthly precipitation in Portales occurs in September with 6.9 inches
  • The air quality index in Portales is 64% better than the national average
  • The pollution index in Portales is 86% better than the national average

Compare Portales, NM Weather

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      Portales 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
      January25°F54°F37°F6.4"
      February28°F60°F42°F2.7"
      March36°F69°F51°F4.8"
      April42°F76°F58°F6.1"
      May51°F82°F66°F6.7"
      June62°F92°F76°F5.6"
      July65°F92°F78°F6.0"
      August64°F91°F76°F6.9"
      September57°F84°F69°F6.9"
      October45°F76°F59°F6.5"
      November34°F65°F48°F1.8"
      December26°F54°F38°F3.0"

      Portales 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.
      IndexPortalesNew MexicoNational
      Air quality index153742
      Pollution index390,4662,051,7912,726,193

      Portales air quality

      MeasurementTotal
      Days measured59
      Days with good air quality59
      Days with moderate air quality0
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

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

      Average monthly Portales temperature with heat index

      Portales monthly precipitation with daily maximum

      Portales monthly snow depth with daily maximum

      Portales monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Floyd, NM911570.0%
      Cannon AFB, NM2,5271570.0%
      Portales, NM11,7131570.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Arlington, TN11,7154510.0%
      Stratford, PE11,716n/a 
      Grafton, WI11,7184412.0%
      Webster, MA11,7194020.0%
      Florham Park, NJ11,719512.0%
      Portales, NM11,7131570.0%
      Source: The Portales, NM 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.