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United States › Colorado › Montezuma County › Climate Station CORTEZ, CO US Distance 0.4 mi Normals 1991–2020

30-year climate normals

Montezuma County Climate and Weather Averages

Hottest month — July

90.5°

average daily high. The coldest month is January, averaging a low of 16.6°F.

Montezuma County gets 11.79" of precipitation a year and 33.4" of snow, and 35% of it falls in Jul, Aug, Sep.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

20° 40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low PrecipSnow
January 42.9° 16.6° 1.06" 8.0"
February 47.2° 21.5° 0.96" 7.2"
March 56.0° 27.6° 0.86" 5.0"
April 63.5° 32.9° 0.72" 2.2"
May 73.4° 41.3° 0.93" 0.3"
June 85.3° 49.4° 0.37" 0.0"
July 90.5° 57.2° 1.25" 0.0"
August 87.7° 55.8° 1.34" 0.0"
September 80.1° 47.5° 1.48" 0.0"
October 67.4° 35.5° 1.08" 0.6"
November 54.1° 25.8° 0.85" 2.7"
December 43.2° 17.7° 0.89" 7.4"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 35% falling in the wettest three months (Jul, Aug, Sep).

January 1.06"
February 0.96"
March 0.86"
April 0.72"
May 0.93"
June 0.37"
July 1.25"
August 1.34"
September 1.48"
October 1.08"
November 0.85"
December 0.89"
Annual total 11.79"

What this climate costs you

Degree days measure how hard a building has to work to stay comfortable. They are the reason two identical houses have very different power bills, and they are the link between the weather here and what you pay every month.

Cooling degree days How much air conditioning the climate demands 681
Heating degree days How much heating the climate demands 5,817
Approximate annual cooling cost At 16.16¢/kWh, Colorado average $110
Approximate annual electric heating cost Lower where heating is gas rather than electric $329

These are rough planning figures from degree days and the state electricity price, not a bill estimate. House size, insulation and fuel type move them a lot. See the full cost of owning a home in Montezuma County, where electricity is one line of eight.

Common questions

What is the weather like in Montezuma County?

Montezuma County averages a high of 90.5°F in July and a low of 16.6°F in January. Annual precipitation is 11.79 inches, including 33.4 inches of snow.

When is the rainy season in Montezuma County?

The wettest stretch is Jul, Aug, Sep, which accounts for 35% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Montezuma County?

The average daily high in July, the hottest month, is 90.5°F. That drives 681 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Montezuma County?

Yes. Montezuma County averages 33.4 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station CORTEZ, CO US (USC00051886), 0.4 miles from the county centroid.
  • Heating and cooling degree days — NOAA, same station and period.
  • Electricity price — US Energy Information Administration, Electric Power Monthly Table 5.6.A, Colorado residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.