This weather has a price Keeping the median Adams County home comfortable runs roughly $452 a year in heating and cooling alone. See where it lands in the monthly bill

30-year climate normals

Adams County Climate and Weather Averages

Hottest month: July

81.0°

average daily high. The coldest month is January, averaging a low of 13.5°F.

Adams County gets 23.06" of precipitation a year, and 33% 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.

Month	Avg high	Avg low	Precip
January	30.6°	13.5°	2.46"
February	35.2°	14.6°	2.32"
March	42.1°	20.8°	2.71"
April	49.9°	27.7°	2.43"
May	61.1°	35.9°	2.30"
June	69.0°	41.6°	2.03"
July	81.0°	47.2°	0.58"
August	80.5°	45.4°	0.54"
September	70.6°	37.8°	0.96"
October	55.6°	29.4°	1.60"
November	40.4°	21.3°	2.30"
December	30.1°	13.9°	2.83"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 33% falling in the wettest three months (Dec, Jan, Feb).

January 2.46"

February 2.32"

March 2.71"

April 2.43"

May 2.30"

June 2.03"

July 0.58"

August 0.54"

September 0.96"

October 1.60"

November 2.30"

December 2.83"

Annual total 23.06"

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 112

Heating degree days How much heating the climate demands 8,665

Approximate annual cooling cost At 14.37¢/kWh, Idaho average $16

Approximate annual electric heating cost Lower where heating is gas rather than electric $436

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 Adams County, where electricity is one line of eight.

Common questions

What is the weather like in Adams County?

Adams County averages a high of 81.0°F in July and a low of 13.5°F in January. Annual precipitation is 23.06 inches, with essentially no snow.

When is the rainy season in Adams County?

The wettest stretch is Dec, Jan, Feb, which accounts for 33% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Adams County?

The average daily high in July, the hottest month, is 81.0°F. That drives 112 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Adams County?

The weather station used for Adams County, MCCALL AP, ID US, reports temperature and precipitation but not snowfall, so there is no snow normal to quote here. Precipitation that falls as snow is still counted in the 23.06 inches above, measured as melted water.

Sources

Temperature, precipitation and snowfall normals: NOAA National Centers for Environmental Information, 1991 to 2020 Monthly Climate Normals, station MCCALL AP, ID US (USW00094182), 17.6 miles from the county centroid.
Heating and cooling degree days: NOAA, same station and period.
Annual figures on this page are the sum of that station's twelve monthly normals. NOAA also publishes a separately-computed annual normal, which can differ from the monthly sum by a few percent; we use the monthly series because the month-by-month breakdown above has to come from it.
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.