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United States › Wyoming › Weston County › Climate Station SUNDANCE 8 NNW, WY US Distance 46.8 mi Normals 1991–2020

30-year climate normals

Weston County Climate and Weather Averages

Hottest month — July

75.0°

average daily high. The coldest month is February, averaging a low of 14.5°F.

Weston County gets 29.21" of precipitation a year, and 35% of it falls in Apr, May, Jun.

Temperature through the year

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

20° 40° 60° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low Precip
January 31.5° 15.1° 1.57"
February 30.3° 14.5° 2.03"
March 38.7° 22.8° 2.61"
April 45.8° 28.3° 3.56"
May 54.9° 38.1° 3.86"
June 65.4° 46.6° 2.93"
July 75.0° 53.0° 2.44"
August 74.2° 52.1° 1.92"
September 65.3° 44.4° 1.71"
October 49.8° 32.5° 3.06"
November 38.8° 23.2° 1.79"
December 30.1° 16.0° 1.73"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 35% falling in the wettest three months (Apr, May, Jun).

January 1.57"
February 2.03"
March 2.61"
April 3.56"
May 3.86"
June 2.93"
July 2.44"
August 1.92"
September 1.71"
October 3.06"
November 1.79"
December 1.73"
Annual total 29.21"

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 157
Heating degree days How much heating the climate demands 8,839
Approximate annual cooling cost At 14.8¢/kWh, Wyoming average $23
Approximate annual electric heating cost Lower where heating is gas rather than electric $458

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 Weston County, where electricity is one line of eight.

Common questions

What is the weather like in Weston County?

Weston County averages a high of 75.0°F in July and a low of 14.5°F in February. Annual precipitation is 29.21 inches, with essentially no snow.

When is the rainy season in Weston County?

The wettest stretch is Apr, May, Jun, which accounts for 35% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Weston County?

The average daily high in July, the hottest month, is 75.0°F. That drives 157 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Weston County?

Effectively no. Measurable snowfall is rare in Weston County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station SUNDANCE 8 NNW, WY US (USW00094088), 46.8 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, Wyoming residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.