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United States › Washington › Skagit County › Climate Station CONCRETE PPL FISH STN, WA US Distance 4.6 mi Normals 1991–2020

30-year climate normals

Skagit County Climate and Weather Averages

Hottest month — August

76.7°

average daily high. The coldest month is January, averaging a low of 33.4°F.

Skagit County gets 71.24" of precipitation a year and 16.3" of snow, and 45% of it falls in Nov, Dec, Jan.

Temperature through the year

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

40° 60° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low PrecipSnow
January 42.7° 33.4° 10.38" 5.0"
February 46.9° 33.6° 6.72" 1.5"
March 51.7° 36.1° 7.63" 1.3"
April 58.3° 39.9° 5.09" 0.0"
May 65.3° 45.3° 3.47" 0.0"
June 69.0° 49.8° 2.68" 0.0"
July 75.6° 52.9° 1.21" 0.0"
August 76.7° 53.6° 1.53" 0.0"
September 70.8° 50.1° 3.31" 0.0"
October 59.4° 43.9° 7.31" 0.0"
November 48.6° 37.9° 11.49" 0.9"
December 42.2° 33.7° 10.42" 7.6"

Rainfall by month

Skagit County has a distinct wet season. 45% of the year's precipitation arrives in Nov, Dec, Jan.

January 10.38"
February 6.72"
March 7.63"
April 5.09"
May 3.47"
June 2.68"
July 1.21"
August 1.53"
September 3.31"
October 7.31"
November 11.49"
December 10.42"
Annual total 71.24"

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 137
Heating degree days How much heating the climate demands 5,325
Approximate annual cooling cost At 14.95¢/kWh, Washington average $20
Approximate annual electric heating cost Lower where heating is gas rather than electric $279

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 Skagit County, where electricity is one line of eight.

Common questions

What is the weather like in Skagit County?

Skagit County averages a high of 76.7°F in August and a low of 33.4°F in January. Annual precipitation is 71.24 inches, including 16.3 inches of snow.

When is the rainy season in Skagit County?

The wettest stretch is Nov, Dec, Jan, which accounts for 45% of the year's precipitation. That is a pronounced wet season rather than rain spread evenly through the year.

How hot does it get in Skagit County?

The average daily high in August, the hottest month, is 76.7°F. That drives 137 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Skagit County?

Yes. Skagit County averages 16.3 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station CONCRETE PPL FISH STN, WA US (USC00451679), 4.6 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, Washington residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.