What is the hottest month in Leyner, CO?

July is the warmest month, with a normal high of 91°F at Longmont 2 Ese.

What is the coldest month in Leyner, CO?

January is the coldest month, with a normal low of 14°F.

What is the wettest month in Leyner, CO?

April has the most precipitation on average, about 2.04 inches.

Checked Oct 25, 2026

Leyner, CO Climate

1991 to 2020 normals at Longmont 2 Ese, 8.4 mi from the center of Leyner, elevation 4950 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	45°	14°	0.56 in	--
February	47°	17°	0.57 in	--
March	57°	26°	1.17 in	--
April	63°	32°	2.04 in	--
May	73°	41°	1.97 in	--
June	84°	51°	1.75 in	--
July	91°	55°	1.69 in	--
August	88°	54°	1.95 in	--
September	80°	46°	1.26 in	--
October	66°	33°	1.04 in	--
November	54°	24°	0.75 in	--
December	45°	15°	0.46 in	--
Year	66°		15.21 in	--

Frequently asked questions

What is the hottest month in Leyner, CO?: July is the warmest month, with a normal high of 91°F at Longmont 2 Ese.
What is the coldest month in Leyner, CO?: January is the coldest month, with a normal low of 14°F.
What is the wettest month in Leyner, CO?: April has the most precipitation on average, about 2.04 inches.

Today

Leyner, CO forecast

Data sources

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

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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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