What is the hottest month in Armstrong, MO?

July is the warmest month, with a normal high of 88°F at Salisbury.

What is the coldest month in Armstrong, MO?

January is the coldest month, with a normal low of 18°F.

What is the wettest month in Armstrong, MO?

June has the most precipitation on average, about 5.54 inches.

Checked Oct 25, 2026

Armstrong, MO Climate

1991 to 2020 normals at Salisbury, 12 mi from the center of Armstrong, elevation 730 ft.

Average weather by month

Select a month for daily normals and last year's weather

Month	High	Low	Precip.	Snow
January	37°	18°	1.52 in	--
February	43°	22°	1.84 in	--
March	54°	32°	2.79 in	--
April	65°	43°	4.04 in	--
May	75°	54°	5.15 in	--
June	84°	64°	5.54 in	--
July	88°	67°	4.21 in	--
August	87°	65°	3.64 in	--
September	80°	56°	3.73 in	--
October	68°	44°	3.49 in	--
November	54°	33°	2.43 in	--
December	42°	24°	1.64 in	--
Year	65°		40.02 in	--

Frequently asked questions

What is the hottest month in Armstrong, MO?: July is the warmest month, with a normal high of 88°F at Salisbury.
What is the coldest month in Armstrong, MO?: January is the coldest month, with a normal low of 18°F.
What is the wettest month in Armstrong, MO?: June has the most precipitation on average, about 5.54 inches.

Today

Armstrong, MO forecast

Data sources

U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
U.S. Climate Normals 1991-2020 (daily) and GHCN-Daily via Access Data ServiceNOAA National Centers for Environmental Information

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About this data

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Climate normals are 30-year averages measured at one weather station, which may be miles from the place named here or at a different elevation.

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