What is the hottest month in Gridley, KS?

July is the warmest month, with a normal high of 90°F at John Redmond Lake.

What is the coldest month in Gridley, KS?

January is the coldest month, with a normal low of 19°F.

What is the wettest month in Gridley, KS?

May has the most precipitation on average, about 5.32 inches.

Checked Oct 25, 2026

Gridley, KS Climate

1991 to 2020 normals at John Redmond Lake, 13 mi from the center of Gridley, elevation 1092 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	41°	19°	0.94 in	--
February	46°	23°	1.31 in	--
March	57°	33°	2.20 in	--
April	67°	44°	3.68 in	--
May	76°	55°	5.32 in	--
June	85°	64°	4.58 in	--
July	90°	69°	4.46 in	--
August	90°	67°	4.06 in	--
September	82°	58°	3.76 in	--
October	70°	46°	3.42 in	--
November	56°	34°	1.90 in	--
December	45°	24°	1.55 in	--
Year	67°		37.18 in	--

Frequently asked questions

What is the hottest month in Gridley, KS?: July is the warmest month, with a normal high of 90°F at John Redmond Lake.
What is the coldest month in Gridley, KS?: January is the coldest month, with a normal low of 19°F.
What is the wettest month in Gridley, KS?: May has the most precipitation on average, about 5.32 inches.

Today

Gridley, KS 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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