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United States › Idaho › Clearwater County › Climate Station HEADQUARTERS, ID US Distance 7.9 mi Normals 1991–2020

30-year climate normals

Clearwater County Climate and Weather Averages

Hottest month — July

80.1°

average daily high. The coldest month is January, averaging a low of 18.5°F.

Clearwater County gets 40.89" of precipitation a year and 118.7" of snow, and 38% of it falls in Nov, Dec, Jan.

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 35.0° 18.5° 4.75" 32.8"
February 39.4° 20.3° 4.17" 16.6"
March 45.5° 23.1° 4.57" 16.5"
April 52.4° 26.5° 3.66" 4.2"
May 63.2° 33.9° 3.49" 0.8"
June 69.7° 40.3° 2.66" 0.0"
July 80.1° 44.0° 0.90" 0.0"
August 79.6° 41.5° 1.03" 0.0"
September 70.3° 35.0° 1.43" 0.0"
October 55.5° 28.1° 3.42" 0.2"
November 41.6° 24.7° 5.23" 16.0"
December 33.2° 19.6° 5.58" 31.6"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 38% falling in the wettest three months (Nov, Dec, Jan).

January 4.75"
February 4.17"
March 4.57"
April 3.66"
May 3.49"
June 2.66"
July 0.90"
August 1.03"
September 1.43"
October 3.42"
November 5.23"
December 5.58"
Annual total 40.89"

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 73
Heating degree days How much heating the climate demands 8,242
Approximate annual cooling cost At 12.35¢/kWh, Idaho average $9
Approximate annual electric heating cost Lower where heating is gas rather than electric $356

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 Clearwater County, where electricity is one line of eight.

Common questions

What is the weather like in Clearwater County?

Clearwater County averages a high of 80.1°F in July and a low of 18.5°F in January. Annual precipitation is 40.89 inches, including 118.7 inches of snow.

When is the rainy season in Clearwater County?

The wettest stretch is Nov, Dec, Jan, which accounts for 38% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Clearwater County?

The average daily high in July, the hottest month, is 80.1°F. That drives 73 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Clearwater County?

Yes. Clearwater County averages 118.7 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station HEADQUARTERS, ID US (USC00104150), 7.9 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.