What is the hottest month in Eugene, OR?

August is the warmest month, with a normal high of 84°F at Eugene Mahlon Sweet AP.

What is the coldest month in Eugene, OR?

December is the coldest month, with a normal low of 34°F.

What is the wettest month in Eugene, OR?

December has the most precipitation on average, about 7.21 inches.

Checked Oct 25, 2026

Eugene, OR Climate

1991 to 2020 normals at Eugene Mahlon Sweet AP, 7.1 mi from the center of Eugene, elevation 353 ft.

Average weather by month

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

Month	High	Low	Precip.	Snow
January	48°	35°	6.05 in	--
February	52°	35°	4.67 in	--
March	57°	37°	4.64 in	--
April	61°	40°	3.32 in	--
May	68°	44°	2.46 in	--
June	74°	48°	1.23 in	--
July	84°	52°	0.32 in	--
August	84°	52°	0.39 in	--
September	78°	48°	1.39 in	--
October	65°	42°	3.17 in	--
November	53°	38°	5.98 in	--
December	47°	34°	7.21 in	--
Year	64°		40.83 in	--

Frequently asked questions

What is the hottest month in Eugene, OR?: August is the warmest month, with a normal high of 84°F at Eugene Mahlon Sweet AP.
What is the coldest month in Eugene, OR?: December is the coldest month, with a normal low of 34°F.
What is the wettest month in Eugene, OR?: December has the most precipitation on average, about 7.21 inches.

Today

Eugene, OR 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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