Eugene Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Eugene, Oregon during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F each month in Eugene, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Eugene, 2010 to 2019
High °F Low °F   High °C Low °C
48 35 January 9 2
51 36 February 10 2
56 38 March 14 3
61 41 April 16 5
68 44 May 20 7
75 48 June 24 9
84 52 July 29 11
85 53 August 30 12
77 49 September 25 9
65 43 October 18 6
53 38 November 12 3
46 34 December 8 1
64 43 Year 18 6
30-year temperature averages for Eugene, 1991 to 2020
High °F Low °F   High °C Low °C
48 35 January 9 2
52 35 February 11 2
57 37 March 14 3
61 40 April 16 4
68 44 May 20 7
74 48 June 23 9
84 52 July 29 11
84 52 August 29 11
78 48 September 26 9
65 42 October 18 5
53 38 November 12 3
47 34 December 8 1
64 42 Year 18 6

Days of Hot Weather in Eugene

Eugene averages 18 days a year with temperatures in the 90s Fahrenheit. During July or August, it can heat up to 100 °F (38 °C) here, which happens an average of once a year.

Number of days in Eugene of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 1 0 0
April 4 0 0
May 12 3 0
June 20 7 1
July 30 21 7
August 30 22 7
September 25 12 2
October 7 1 0
November 0 0 0
December 0 0 0
Year 130 67 18

How Often Eugene Has Cold Temperatures

Euguene has plenty of mild weather during winter. The city averages 52 nights a year with freezing temperatures, but those can be strung out over nine months. A night that drops to 32 °F or less may show up as early as September or as late as May.

Still, cold weather doesn't last long here. For just two days a year on average the thermometer never rises above freezing. A day that chilly can occur anytime from December to February.

Days per month on average in Eugene when the minimum temperature drops to 32 or 20 °F or below
  20 °F
-8 °C
32 °F
0 °C
January 1 11
February 0 10
March 0 6
April 0 2
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 3
November 1 8
December 1 12
Year 3 52
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

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