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United States › California › Amador County › Climate Station SUTTER HILL CDF, CA US Distance 9.2 mi Normals 1991–2020

30-year climate normals

Amador County Climate and Weather Averages

Hottest month — July

93.4°

average daily high. The coldest month is December, averaging a low of 38.8°F.

Amador County gets 32.02" of precipitation a year, and 53% of it falls in Dec, Jan, Feb.

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 54.8° 39.2° 6.06"
February 58.0° 41.5° 5.66"
March 62.0° 42.1° 4.90"
April 66.7° 45.0° 2.78"
May 75.0° 50.9° 1.69"
June 86.0° 56.9° 0.38"
July 93.4° 62.6° 0.02"
August 91.9° 61.9° 0.04"
September 86.7° 59.5° 0.26"
October 76.5° 52.9° 1.71"
November 63.3° 44.1° 3.12"
December 55.0° 38.8° 5.40"

Rainfall by month

Amador County has a distinct wet season. 53% of the year's precipitation arrives in Dec, Jan, Feb.

January 6.06"
February 5.66"
March 4.90"
April 2.78"
May 1.69"
June 0.38"
July 0.02"
August 0.04"
September 0.26"
October 1.71"
November 3.12"
December 5.40"
Annual total 32.02"

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 1,431
Heating degree days How much heating the climate demands 2,857
Approximate annual cooling cost At 33.25¢/kWh, California average $476
Approximate annual electric heating cost Lower where heating is gas rather than electric $332

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 Amador County, where electricity is one line of eight.

Common questions

What is the weather like in Amador County?

Amador County averages a high of 93.4°F in July and a low of 38.8°F in December. Annual precipitation is 32.02 inches, with essentially no snow.

When is the rainy season in Amador County?

The wettest stretch is Dec, Jan, Feb, which accounts for 53% 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 Amador County?

The average daily high in July, the hottest month, is 93.4°F. That drives 1,431 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Amador County?

Effectively no. Measurable snowfall is rare in Amador County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station SUTTER HILL CDF, CA US (USC00048713), 9.2 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, California residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.