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United States › Michigan › Eaton County › Climate Station CHARLOTTE, MI US Distance 2.9 mi Normals 1991–2020

30-year climate normals

Eaton County Climate and Weather Averages

Hottest month — July

81.5°

average daily high. The coldest month is January, averaging a low of 15.1°F.

Eaton County gets 35.77" of precipitation a year and 38.1" of snow, and 32% 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 29.8° 15.1° 2.26" 14.9"
February 32.9° 16.2° 1.69" 4.4"
March 43.3° 24.0° 2.27" 5.8"
April 56.7° 34.6° 3.43" 1.0"
May 68.4° 46.3° 4.03" 0.0"
June 77.5° 56.1° 3.82" 0.0"
July 81.5° 59.8° 3.02" 0.0"
August 79.3° 58.1° 3.56" 0.0"
September 72.9° 50.3° 3.20" 0.0"
October 60.2° 39.7° 3.55" 0.3"
November 46.3° 30.0° 2.74" 2.1"
December 35.1° 21.8° 2.20" 9.6"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 32% falling in the wettest three months (Apr, May, Jun).

January 2.26"
February 1.69"
March 2.27"
April 3.43"
May 4.03"
June 3.82"
July 3.02"
August 3.56"
September 3.20"
October 3.55"
November 2.74"
December 2.20"
Annual total 35.77"

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 536
Heating degree days How much heating the climate demands 6,940
Approximate annual cooling cost At 22.01¢/kWh, Michigan average $118
Approximate annual electric heating cost Lower where heating is gas rather than electric $535

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 Eaton County, where electricity is one line of eight.

Common questions

What is the weather like in Eaton County?

Eaton County averages a high of 81.5°F in July and a low of 15.1°F in January. Annual precipitation is 35.77 inches, including 38.1 inches of snow.

When is the rainy season in Eaton County?

The wettest stretch is Apr, May, Jun, which accounts for 32% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Eaton County?

The average daily high in July, the hottest month, is 81.5°F. That drives 536 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Eaton County?

Yes. Eaton County averages 38.1 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station CHARLOTTE, MI US (USC00201476), 2.9 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, Michigan residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.