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United States › West Virginia › Marshall County › Climate Station MOUNDSVILLE, WV US Distance 5.7 mi Normals 1991–2020

30-year climate normals

Marshall County Climate and Weather Averages

Hottest month — July

85.8°

average daily high. The coldest month is January, averaging a low of 19.7°F.

Marshall County gets 46.13" of precipitation a year and 15.8" of snow, and 30% of it falls in May, Jun, Jul.

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 39.3° 19.7° 3.77" 6.0"
February 42.7° 21.4° 3.13" 4.7"
March 52.1° 28.6° 3.87" 2.4"
April 65.1° 38.0° 3.68" 0.1"
May 74.5° 48.9° 4.47" 0.0"
June 82.2° 57.5° 4.89" 0.0"
July 85.8° 61.9° 4.52" 0.0"
August 84.6° 60.5° 3.82" 0.0"
September 78.5° 53.3° 3.88" 0.0"
October 66.7° 41.6° 3.23" 0.0"
November 54.2° 31.4° 3.15" 0.1"
December 43.6° 25.0° 3.72" 2.5"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 30% falling in the wettest three months (May, Jun, Jul).

January 3.77"
February 3.13"
March 3.87"
April 3.68"
May 4.47"
June 4.89"
July 4.52"
August 3.82"
September 3.88"
October 3.23"
November 3.15"
December 3.72"
Annual total 46.13"

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 861
Heating degree days How much heating the climate demands 5,428
Approximate annual cooling cost At 16.8¢/kWh, West Virginia average $145
Approximate annual electric heating cost Lower where heating is gas rather than electric $319

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 Marshall County, where electricity is one line of eight.

Common questions

What is the weather like in Marshall County?

Marshall County averages a high of 85.8°F in July and a low of 19.7°F in January. Annual precipitation is 46.13 inches, including 15.8 inches of snow.

When is the rainy season in Marshall County?

The wettest stretch is May, Jun, Jul, which accounts for 30% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Marshall County?

The average daily high in July, the hottest month, is 85.8°F. That drives 861 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Marshall County?

Yes. Marshall County averages 15.8 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station MOUNDSVILLE, WV US (USC00466248), 5.7 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, West Virginia residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.