Eugene, OR Weather by Month and Climate Averages

Eugene, OR gets 40.8 in of precipitation a year over about 146 rainy days. August is the warmest month (average high 84°F) and January the coldest (average low 35°F).

Eugene climate at a glance

Mediterranean climate

Eugene, OR has warm summers and chilly winters. Daytime highs range from about 47°F in December to 84°F in August. December is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 71°F.

How much rain does Eugene get?

Eugene gets 40.8 in of precipitation in an average year, spread over about 146 days with measurable rain. That is more rainy days than 93% of the US.

December is the wettest month, with 7.2 in. July is the driest, with 0.3 in. December has the most rainy days, about 19.

The longest dry spell in the last five years lasted 55 days, to August 15, 2025.

See where Eugene ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Oregon.

Does it snow in Eugene?

The snowiest winter on record is 1970–71, with 24.3 in.

The most recent measurable snow at the station fell on February 13, 2025.

See where Eugene ranks: snowiest cities in the US.

Eugene weather by month

Eugene weather in January

In January, Eugene averages a high of 48°F and a low of 35°F. It gets 6.0 in of precipitation over about 18 rainy days. The sun is out about 20% of daylight hours. The January record high is 69°F (2024) and the record low is 7°F (1979).

Eugene weather in February

In February, Eugene averages a high of 51°F and a low of 35°F. It gets 4.7 in of precipitation over about 15 rainy days. The sun is out about 29% of daylight hours. The February record high is 72°F (1995) and the record low is 4°F (1989).

Eugene weather in March

In March, Eugene averages a high of 56°F and a low of 37°F. It gets 4.6 in of precipitation over about 18 rainy days. The sun is out about 31% of daylight hours. The March record high is 78°F (2026) and the record low is 21°F (1971).

Eugene weather in April

In April, Eugene averages a high of 61°F and a low of 40°F. It gets 3.3 in of precipitation over about 16 rainy days. The sun is out about 35% of daylight hours. The April record high is 87°F (2023) and the record low is 27°F (2008).

Eugene weather in May

In May, Eugene averages a high of 68°F and a low of 44°F. It gets 2.5 in of precipitation over about 12 rainy days. The sun is out about 41% of daylight hours. The May record high is 95°F (2008) and the record low is 29°F (1985). May is one of the most comfortable months to visit.

Eugene weather in June

In June, Eugene averages a high of 74°F and a low of 48°F. It gets 1.2 in of precipitation over about 8 rainy days. The sun is out about 53% of daylight hours. The June record high is 111°F (2021) and the record low is 32°F (1976). June is one of the most comfortable months to visit.

Eugene weather in July

In July, Eugene averages a high of 83°F and a low of 52°F. It gets 0.3 in of precipitation over about 3 rainy days. The sun is out about 83% of daylight hours. The July record high is 106°F (2024) and the record low is 38°F (2018).

Eugene weather in August

In August, Eugene averages a high of 84°F and a low of 52°F. It gets 0.4 in of precipitation over about 3 rainy days. The sun is out about 73% of daylight hours. The August record high is 108°F (1981) and the record low is 38°F (2008).

Eugene weather in September

In September, Eugene averages a high of 77°F and a low of 48°F. It gets 1.4 in of precipitation over about 6 rainy days. The sun is out about 62% of daylight hours. The September record high is 103°F (1988) and the record low is 31°F (2000). September is one of the most comfortable months to visit.

Eugene weather in October

In October, Eugene averages a high of 65°F and a low of 42°F. It gets 3.2 in of precipitation over about 12 rainy days. The sun is out about 48% of daylight hours. The October record high is 94°F (1980) and the record low is 17°F (2002). October is one of the most comfortable months to visit.

Eugene weather in November

In November, Eugene averages a high of 53°F and a low of 38°F. It gets 6.0 in of precipitation over about 18 rainy days. The sun is out about 32% of daylight hours. The November record high is 76°F (1975) and the record low is 12°F (1978).

Eugene weather in December

In December, Eugene averages a high of 47°F and a low of 35°F. It gets 7.2 in of precipitation over about 19 rainy days. The sun is out about 22% of daylight hours. The December record high is 68°F (1979) and the record low is -12°F (1972).

Sunshine, humidity and wind in Eugene

July is the sunniest month in Eugene, with sunshine about 83% of daylight hours. January is the cloudiest, at 20%. Over the year the sun shines about 44% of daylight hours. Eugene is cloudier than 67% of the US.

Humidity peaks in December at 86% and is lowest in July at 53%.

Wind averages 7 mph over the year, and July is the windiest month at 7 mph.

Eugene has about 19 days a year above 90°F. Eugene is cooler than 63% of the US.

Thunderstorms occur on about 4 days a year.

See where Eugene ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

First and last freeze in Eugene

The first fall freeze in Eugene typically comes around October 19, and the last spring freeze around April 19. That leaves a frost-free growing season of about 183 days.

Eugene weather records

The hottest temperature on record at the Eugene station is 111°F, on June 27, 2021. The coldest is -12°F, on December 8, 1972.

The wettest day on record brought 4.9 in of rain, on December 5, 1981.

36 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.3°F per decade since 1970.

The best time to visit Eugene

The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 71°F.

Winter (December–February) is chilly, with average highs around 48°F and lows near 35°F. Snow is possible.

Spring (March–May) is mild, with average highs around 62°F and lows near 41°F.

Summer (June–August) is warm, with average highs around 80°F and lows near 50°F.

Autumn (September–November) is mild, with average highs around 65°F and lows near 43°F.

Monthly climate

MonthPrecipRain daysWindHumiditySunshineRecord highRecord low
January6.0 in187 mph84%20%69°
February4.7 in157 mph80%29%72°
March4.6 in187 mph77%31%78°21°
April3.3 in167 mph70%35%87°27°
May2.5 in126 mph69%41%95°29°
June1.2 in87 mph64%53%111°32°
July0.32 in37 mph53%83%106°38°
August0.39 in37 mph54%73%108°38°
September1.4 in67 mph60%62%103°31°
October3.2 in126 mph76%48%94°17°
November6.0 in187 mph83%32%76°12°
December7.2 in197 mph86%22%68°-12°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Eugene climate questions

How much rain does Eugene get?

Eugene gets 40.8 in of precipitation in an average year, over about 146 rainy days.

What is the wettest month in Eugene?

December is the wettest month in Eugene, with 7.2 in. July is the driest, with 0.3 in.

How many rainy days does Eugene have a year?

Eugene has about 146 days with measurable rain in an average year. December has the most, about 19.

What is the hottest month in Eugene?

August is the warmest month in Eugene, with an average high of 84°F.

What is the coldest month in Eugene?

January is the coldest month in Eugene, with an average low of 35°F.

What is the record high temperature in Eugene?

The record high at the Eugene station is 111°F, set on June 27, 2021. The record low is -12°F, on December 8, 1972.

What is the sunniest month in Eugene?

July is the sunniest month in Eugene, with sunshine about 83% of daylight hours. January is the cloudiest.

When is the first frost in Eugene?

The first fall freeze in Eugene typically comes around October 19. The last spring freeze is around April 19.

What is the best time to visit Eugene?

The most comfortable time to visit is typically May to June and September to October, when daytime highs sit near 71°F.

Source: NOAA GHCN-Daily station EUGENE-MAHLON SWEET FLD (14 km away).

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Normals from NOAA GHCN-Daily station EUGENE-MAHLON SWEET FLD.