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United States › California › Mono County › Climate Station LEE VINING, CA US Distance 13.6 mi Normals 1991–2020

30-year climate normals

Mono County Climate and Weather Averages

Hottest month — July

84.2°

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

Mono County gets 15.1" of precipitation a year and 69.5" of snow, 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 PrecipSnow
January 40.9° 20.6° 2.66" 19.0"
February 44.1° 22.7° 2.71" 16.1"
March 51.0° 27.6° 1.82" 11.6"
April 57.9° 32.5° 0.70" 3.3"
May 66.2° 39.6° 0.73" 1.6"
June 76.6° 47.3° 0.41" 0.2"
July 84.2° 53.8° 0.51" 0.0"
August 83.0° 52.3° 0.42" 0.0"
September 76.0° 45.5° 0.31" 0.0"
October 65.1° 35.9° 0.83" 1.4"
November 52.9° 27.8° 1.44" 4.7"
December 42.3° 21.7° 2.56" 11.6"

Rainfall by month

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

January 2.66"
February 2.71"
March 1.82"
April 0.70"
May 0.73"
June 0.41"
July 0.51"
August 0.42"
September 0.31"
October 0.83"
November 1.44"
December 2.56"
Annual total 15.1"

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 299
Heating degree days How much heating the climate demands 6,236
Approximate annual cooling cost At 33.25¢/kWh, California average $99
Approximate annual electric heating cost Lower where heating is gas rather than electric $726

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 Mono County, where electricity is one line of eight.

Common questions

What is the weather like in Mono County?

Mono County averages a high of 84.2°F in July and a low of 20.6°F in January. Annual precipitation is 15.1 inches, including 69.5 inches of snow.

When is the rainy season in Mono 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 Mono County?

The average daily high in July, the hottest month, is 84.2°F. That drives 299 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Mono County?

Yes. Mono County averages 69.5 inches of snow a year.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station LEE VINING, CA US (USC00044881), 13.6 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, California residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.