What is the hottest month in Troy, MO?

July is the warmest month, with a normal high of 88°F at Warrenton 1 N.

What is the coldest month in Troy, MO?

January is the coldest month, with a normal low of 20°F.

What is the wettest month in Troy, MO?

May has the most precipitation on average, about 5.12 inches.

Checked Oct 25, 2026

Troy, MO Climate

1991 to 2020 normals at Warrenton 1 N, 13 mi from the center of Troy, elevation 827 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	39°	20°	2.35 in	--
February	44°	23°	2.18 in	--
March	55°	33°	2.64 in	--
April	66°	43°	4.63 in	--
May	75°	53°	5.12 in	--
June	84°	63°	4.51 in	--
July	88°	66°	3.93 in	--
August	87°	65°	3.54 in	--
September	80°	56°	3.48 in	--
October	68°	45°	3.23 in	--
November	55°	34°	3.46 in	--
December	43°	25°	2.40 in	--
Year	65°		41.47 in	--

Frequently asked questions

What is the hottest month in Troy, MO?: July is the warmest month, with a normal high of 88°F at Warrenton 1 N.
What is the coldest month in Troy, MO?: January is the coldest month, with a normal low of 20°F.
What is the wettest month in Troy, MO?: May has the most precipitation on average, about 5.12 inches.

Today

Troy, 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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