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United States › Missouri › Andrew County › Climate Station ST JOSEPH ROSECRANS AP, MO US Distance 16.2 mi Normals 1991–2020

30-year climate normals

Andrew County Climate and Weather Averages

Hottest month — July

88.1°

average daily high. The coldest month is January, averaging a low of 17.1°F.

Andrew County gets 34.76" of precipitation a year, and 41% of it falls in May, Jun, Jul.

Temperature through the year

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

20° 40° 60° 80° JanFebMarAprMayJunJulAugSepOctNovDec
MonthAvg highAvg low Precip
January 37.4° 17.1° 0.71"
February 42.8° 21.2° 0.95"
March 55.1° 31.5° 2.06"
April 65.9° 41.8° 3.71"
May 75.8° 53.7° 4.87"
June 84.7° 63.8° 4.75"
July 88.1° 67.3° 4.73"
August 86.2° 64.5° 3.84"
September 79.7° 54.4° 3.18"
October 67.8° 42.8° 2.84"
November 53.4° 30.6° 1.87"
December 41.1° 21.1° 1.25"

Rainfall by month

Precipitation is spread fairly evenly through the year here, with 41% falling in the wettest three months (May, Jun, Jul).

January 0.71"
February 0.95"
March 2.06"
April 3.71"
May 4.87"
June 4.75"
July 4.73"
August 3.84"
September 3.18"
October 2.84"
November 1.87"
December 1.25"
Annual total 34.76"

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 1,288
Heating degree days How much heating the climate demands 5,385
Approximate annual cooling cost At 13.68¢/kWh, Missouri average $176
Approximate annual electric heating cost Lower where heating is gas rather than electric $258

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 Andrew County, where electricity is one line of eight.

Common questions

What is the weather like in Andrew County?

Andrew County averages a high of 88.1°F in July and a low of 17.1°F in January. Annual precipitation is 34.76 inches, with essentially no snow.

When is the rainy season in Andrew County?

The wettest stretch is May, Jun, Jul, which accounts for 41% of the year's precipitation. Precipitation is relatively evenly distributed across the year.

How hot does it get in Andrew County?

The average daily high in July, the hottest month, is 88.1°F. That drives 1,288 cooling degree days a year, which is what your air conditioning has to work against.

Does it snow in Andrew County?

Effectively no. Measurable snowfall is rare in Andrew County.

Sources

  • Temperature, precipitation and snowfall normals — NOAA National Centers for Environmental Information, 1991–2020 Monthly Climate Normals, station ST JOSEPH ROSECRANS AP, MO US (USW00013993), 16.2 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, Missouri residential average.
  • Wet-season share is the wettest three consecutive months as a percentage of annual precipitation, calculated from the monthly normals.