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United States › Idaho › Blaine County › Climate Station PICABO, ID US Distance 8.1 mi Normals 1991–2020

30-year climate normals

Blaine County Climate and Weather Averages

Hottest month — July

86.8°

average daily high. The coldest month is January, averaging a low of 7.1°F.

Blaine County gets 12.97" of precipitation a year and 45.6" of snow, and 36% of it falls in Dec, Jan, Feb.

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 31.8° 7.1° 1.78" 13.9"
February 36.4° 10.1° 1.15" 8.5"
March 46.5° 19.3° 1.52" 2.8"
April 57.1° 25.3° 1.09" 0.8"
May 67.1° 34.1° 1.45" 0.0"
June 76.1° 39.0° 0.86" 0.0"
July 86.8° 46.2° 0.31" 0.0"
August 85.5° 45.0° 0.23" 0.0"
September 75.6° 37.4° 0.58" 0.0"
October 60.6° 27.3° 1.15" 0.3"
November 44.5° 18.1° 1.05" 4.1"
December 32.3° 9.3° 1.80" 15.2"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 36% falling in the wettest three months (Dec, Jan, Feb).

January 1.78"
February 1.15"
March 1.52"
April 1.09"
May 1.45"
June 0.86"
July 0.31"
August 0.23"
September 0.58"
October 1.15"
November 1.05"
December 1.80"
Annual total 12.97"

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 185
Heating degree days How much heating the climate demands 8,380
Approximate annual cooling cost At 12.35¢/kWh, Idaho average $23
Approximate annual electric heating cost Lower where heating is gas rather than electric $362

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 Blaine County, where electricity is one line of eight.

Common questions

What is the weather like in Blaine County?

Blaine County averages a high of 86.8°F in July and a low of 7.1°F in January. Annual precipitation is 12.97 inches, including 45.6 inches of snow.

When is the rainy season in Blaine County?

The wettest stretch is Dec, Jan, Feb, which accounts for 36% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Blaine County?

The average daily high in July, the hottest month, is 86.8°F. That drives 185 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Blaine County?

Yes. Blaine County averages 45.6 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station PICABO, ID US (USC00107040), 8.1 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.