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United States › Oklahoma › Cleveland County › Climate Station NORMAN 3SSE, OK US Distance 6.7 mi Normals 1991–2020

30-year climate normals

Cleveland County Climate and Weather Averages

Hottest month — July

92.5°

average daily high. The coldest month is January, averaging a low of 27.7°F.

Cleveland County gets 37.65" of precipitation a year and 4.1" of snow, and 36% 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.

40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low PrecipSnow
January 49.9° 27.7° 1.37" 1.2"
February 54.4° 31.3° 1.60" 1.2"
March 63.2° 39.8° 2.80" 0.2"
April 71.4° 48.2° 3.48" 0.0"
May 78.8° 58.4° 5.14" 0.0"
June 87.2° 67.3° 4.79" 0.0"
July 92.5° 71.2° 3.71" 0.0"
August 92.1° 70.2° 3.61" 0.0"
September 84.2° 62.2° 3.68" 0.0"
October 73.7° 50.3° 3.43" 0.0"
November 61.8° 38.8° 2.04" 0.5"
December 51.6° 30.6° 2.00" 1.0"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 36% falling in the wettest three months (May, Jun, Jul).

January 1.37"
February 1.60"
March 2.80"
April 3.48"
May 5.14"
June 4.79"
July 3.71"
August 3.61"
September 3.68"
October 3.43"
November 2.04"
December 2.00"
Annual total 37.65"

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 1,945
Heating degree days How much heating the climate demands 3,479
Approximate annual cooling cost At 13.38¢/kWh, Oklahoma average $260
Approximate annual electric heating cost Lower where heating is gas rather than electric $163

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 Cleveland County, where electricity is one line of eight.

Common questions

What is the weather like in Cleveland County?

Cleveland County averages a high of 92.5°F in July and a low of 27.7°F in January. Annual precipitation is 37.65 inches, including 4.1 inches of snow.

When is the rainy season in Cleveland County?

The wettest stretch is May, Jun, Jul, which accounts for 36% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Cleveland County?

The average daily high in July, the hottest month, is 92.5°F. That drives 1,945 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Cleveland County?

Yes. Cleveland County averages 4.1 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station NORMAN 3SSE, OK US (USC00346386), 6.7 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, Oklahoma residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.