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United States › North Dakota › Mountrail County › Climate Station STANLEY 3 NNW, ND US Distance 10.4 mi Normals 1991–2020

30-year climate normals

Mountrail County Climate and Weather Averages

Hottest month — August

80.3°

average daily high. The coldest month is January, averaging a low of -0.6°F.

Mountrail County gets 19.28" of precipitation a year and 47.4" of snow, and 49% of it falls in May, Jun, Jul.

Temperature through the year

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

0° 20° 40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low PrecipSnow
January 17.3° -0.6° 0.54" 7.6"
February 21.5° 2.5° 0.55" 7.1"
March 34.2° 14.0° 0.79" 7.5"
April 51.4° 26.4° 1.33" 4.6"
May 64.4° 38.1° 2.49" 1.3"
June 73.1° 49.0° 3.86" 0.0"
July 79.7° 53.9° 3.09" 0.0"
August 80.3° 51.7° 2.14" 0.0"
September 69.6° 42.1° 1.82" 0.2"
October 52.8° 29.4° 1.31" 3.8"
November 34.8° 16.3° 0.73" 5.1"
December 22.2° 5.2° 0.63" 10.2"

Rainfall by month

Mountrail County has a distinct wet season. 49% of the year's precipitation arrives in May, Jun, Jul.

January 0.54"
February 0.55"
March 0.79"
April 1.33"
May 2.49"
June 3.86"
July 3.09"
August 2.14"
September 1.82"
October 1.31"
November 0.73"
December 0.63"
Annual total 19.28"

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 272
Heating degree days How much heating the climate demands 9,810
Approximate annual cooling cost At 13.61¢/kWh, North Dakota average $37
Approximate annual electric heating cost Lower where heating is gas rather than electric $467

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 Mountrail County, where electricity is one line of eight.

Common questions

What is the weather like in Mountrail County?

Mountrail County averages a high of 80.3°F in August and a low of -0.6°F in January. Annual precipitation is 19.28 inches, including 47.4 inches of snow.

When is the rainy season in Mountrail County?

The wettest stretch is May, Jun, Jul, which accounts for 49% of the year's precipitation. That is a pronounced wet season rather than rain spread evenly through the year.

How hot does it get in Mountrail County?

The average daily high in August, the hottest month, is 80.3°F. That drives 272 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Mountrail County?

Yes. Mountrail County averages 47.4 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station STANLEY 3 NNW, ND US (USC00328276), 10.4 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, North Dakota residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.