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United States › Arkansas › Union County › Climate Station EL DORADO S AR RGNL AP, AR US Distance 13 mi Normals 1991–2020

30-year climate normals

Union County Climate and Weather Averages

Hottest month — July

93.6°

average daily high. The coldest month is January, averaging a low of 33.6°F.

Union County gets 52.12" of precipitation a year, and 29% of it falls in Mar, Apr, May.

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 Precip
January 55.9° 33.6° 4.39"
February 60.2° 36.8° 4.47"
March 68.7° 44.0° 5.10"
April 76.4° 51.3° 5.39"
May 83.5° 60.5° 4.81"
June 90.5° 68.0° 3.88"
July 93.6° 71.3° 3.43"
August 93.5° 70.2° 3.40"
September 88.2° 63.4° 3.23"
October 77.6° 51.5° 4.58"
November 66.0° 41.6° 3.83"
December 58.0° 35.6° 5.61"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 29% falling in the wettest three months (Mar, Apr, May).

January 4.39"
February 4.47"
March 5.10"
April 5.39"
May 4.81"
June 3.88"
July 3.43"
August 3.40"
September 3.23"
October 4.58"
November 3.83"
December 5.61"
Annual total 52.12"

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 2,283
Heating degree days How much heating the climate demands 2,558
Approximate annual cooling cost At 14.36¢/kWh, Arkansas average $328
Approximate annual electric heating cost Lower where heating is gas rather than electric $129

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 Union County, where electricity is one line of eight.

Common questions

What is the weather like in Union County?

Union County averages a high of 93.6°F in July and a low of 33.6°F in January. Annual precipitation is 52.12 inches, with essentially no snow.

When is the rainy season in Union County?

The wettest stretch is Mar, Apr, May, which accounts for 29% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Union County?

The average daily high in July, the hottest month, is 93.6°F. That drives 2,283 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Union County?

Effectively no. Measurable snowfall is rare in Union County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station EL DORADO S AR RGNL AP, AR US (USW00093992), 13 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, Arkansas residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.