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United States › Idaho › Idaho County › Climate Station ELK CITY 1NE, ID US Distance 1 mi Normals 1991–2020

30-year climate normals

Idaho County Climate and Weather Averages

Hottest month — August

82.9°

average daily high. The coldest month is December, averaging a low of 14.0°F.

Idaho County gets 30.64" of precipitation a year and 119.2" of snow, and 31% of it falls in Apr, May, Jun.

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 35.1° 14.6° 3.39" 29.2"
February 40.8° 15.6° 2.34" 14.0"
March 47.2° 21.0° 2.75" 19.0"
April 53.3° 27.0° 2.89" 10.2"
May 63.0° 32.9° 3.11" 1.1"
June 70.5° 40.3° 3.55" 0.1"
July 82.6° 42.5° 1.21" 0.0"
August 82.9° 39.1° 1.09" 0.0"
September 74.1° 32.2° 1.61" 0.0"
October 58.3° 28.4° 2.60" 1.9"
November 42.8° 21.5° 3.32" 17.3"
December 33.3° 14.0° 2.78" 26.4"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 31% falling in the wettest three months (Apr, May, Jun).

January 3.39"
February 2.34"
March 2.75"
April 2.89"
May 3.11"
June 3.55"
July 1.21"
August 1.09"
September 1.61"
October 2.60"
November 3.32"
December 2.78"
Annual total 30.64"

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 69
Heating degree days How much heating the climate demands 8,358
Approximate annual cooling cost At 12.35¢/kWh, Idaho average $9
Approximate annual electric heating cost Lower where heating is gas rather than electric $361

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 Idaho County, where electricity is one line of eight.

Common questions

What is the weather like in Idaho County?

Idaho County averages a high of 82.9°F in August and a low of 14.0°F in December. Annual precipitation is 30.64 inches, including 119.2 inches of snow.

When is the rainy season in Idaho County?

The wettest stretch is Apr, May, Jun, which accounts for 31% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Idaho County?

The average daily high in August, the hottest month, is 82.9°F. That drives 69 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Idaho County?

Yes. Idaho County averages 119.2 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station ELK CITY 1NE, ID US (USC00102875), 1 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, Idaho residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.