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United States › Ohio › Ashtabula County › Climate Station ASHTABULA CO AP, OH US Distance 9.2 mi Normals 1991–2020

30-year climate normals

Ashtabula County Climate and Weather Averages

Hottest month — July

81.0°

average daily high. The coldest month is January, averaging a low of 19.1°F.

Ashtabula County gets 37.07" of precipitation a year, and 32% of it falls in Jul, Aug, Sep.

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 Precip
January 33.2° 19.1° 1.90"
February 35.7° 19.3° 1.68"
March 44.1° 26.4° 2.36"
April 57.5° 36.3° 3.36"
May 68.8° 46.4° 3.30"
June 77.1° 55.4° 3.68"
July 81.0° 59.8° 4.27"
August 79.1° 58.3° 3.57"
September 73.0° 51.7° 3.85"
October 61.4° 42.3° 3.68"
November 48.9° 33.7° 3.10"
December 38.3° 25.8° 2.32"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 32% falling in the wettest three months (Jul, Aug, Sep).

January 1.90"
February 1.68"
March 2.36"
April 3.36"
May 3.30"
June 3.68"
July 4.27"
August 3.57"
September 3.85"
October 3.68"
November 3.10"
December 2.32"
Annual total 37.07"

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 523
Heating degree days How much heating the climate demands 6,372
Approximate annual cooling cost At 19.52¢/kWh, Ohio average $102
Approximate annual electric heating cost Lower where heating is gas rather than electric $435

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 Ashtabula County, where electricity is one line of eight.

Common questions

What is the weather like in Ashtabula County?

Ashtabula County averages a high of 81.0°F in July and a low of 19.1°F in January. Annual precipitation is 37.07 inches, with essentially no snow.

When is the rainy season in Ashtabula County?

The wettest stretch is Jul, Aug, Sep, which accounts for 32% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Ashtabula County?

The average daily high in July, the hottest month, is 81.0°F. That drives 523 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Ashtabula County?

Effectively no. Measurable snowfall is rare in Ashtabula County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station ASHTABULA CO AP, OH US (USW00004857), 9.2 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, Ohio residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.