30-year climate normals

Sherman County Climate and Weather Averages

Hottest month — July

93.6°

average daily high. The coldest month is January, averaging a low of 20.6°F.

Sherman County gets 18.52" of precipitation a year, and 44% of it falls in Jun, Jul, Aug.

Temperature through the year

Each bar spans the average daily low to the average daily high for that month.

Month	Avg high	Avg low	Precip
January	49.1°	20.6°	0.60"
February	53.1°	22.2°	0.39"
March	62.0°	30.4°	1.11"
April	70.1°	39.5°	1.58"
May	79.4°	49.9°	2.14"
June	89.0°	60.4°	2.53"
July	93.6°	64.9°	2.75"
August	91.1°	63.2°	2.90"
September	84.2°	55.3°	1.44"
October	72.2°	42.1°	1.73"
November	59.7°	30.0°	0.56"
December	48.8°	21.4°	0.79"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 44% falling in the wettest three months (Jun, Jul, Aug).

January 0.60"

February 0.39"

March 1.11"

April 1.58"

May 2.14"

June 2.53"

July 2.75"

August 2.90"

September 1.44"

October 1.73"

November 0.56"

December 0.79"

Annual total 18.52"

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 1,447

Heating degree days How much heating the climate demands 4,570

Approximate annual cooling cost At 16.44¢/kWh, Texas average $238

Approximate annual electric heating cost Lower where heating is gas rather than electric $263

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 Sherman County, where electricity is one line of eight.

Common questions

What is the weather like in Sherman County?

Sherman County averages a high of 93.6°F in July and a low of 20.6°F in January. Annual precipitation is 18.52 inches, with essentially no snow.

When is the rainy season in Sherman County?

The wettest stretch is Jun, Jul, Aug, which accounts for 44% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Sherman County?

The average daily high in July, the hottest month, is 93.6°F. That drives 1,447 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Sherman County?

Effectively no. Measurable snowfall is rare in Sherman County.

Sources

Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station GOODWELL 2 SE, OK US (USW00053182), 25.7 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, Texas residential average.
Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.