Eugene climate — normals and trends

Q: What is the climate of Eugene?

Eugene has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 1,326 mm of precipitation per year.

Q: What is the hottest day ever recorded in Eugene?

The hottest day measured in Eugene between 1940 and 2025 was 27 June 2021, reaching 43.7 °C.

Q: What is the coldest day in Eugene?

The coldest day measured in Eugene between 1940 and 2025 was 21 December 1990, at -23.9 °C.

Q: Does it snow in Eugene?

Yes. Eugene gets on average 33.0 cm of snow per year and has around 48 frost days.

Q: Has the climate of Eugene warmed?

Yes: Eugene warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Eugene?

The wettest day measured in Eugene between 1940 and 2025 was 18 November 1996, with 97 mm of rain in 24 hours.

Q: What was the windiest day in Eugene?

The windiest day measured in Eugene between 1940 and 2025 was 12 October 1962, with winds reaching 38.1 km/h.

Q: What is the warmest month in Eugene?

The warmest month in Eugene is July (19.1 °C on average); the coldest is January (4.1 °C).

Q: How much does it rain in Eugene?

Eugene receives on average 1,326 mm of precipitation per year, spread over about 136 rainy days.

Q: Is it sunny in Eugene?

Eugene gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Eugene (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 1,326 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (19.1 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in December.

Eugene averages 48 frost days, 20 hot days (≥ 30 °C) and 136 rainy days per year.

Eugene has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The number of frost days there went from about 59 to 37 per year over the period.

The hottest day of the period reached 43.7 °C (on 27 June 2021) and the coldest -23.9 °C (on 21 December 1990).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

EugeneOregon

coords: 44.05°, -123.09°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

11.0°C

Average daily high

16.8°C

Average daily low

5.9°C

Annual rainfall

1,326mm

Sunshine / day

8.9h

Mean relative humidity

76%

Average peak wind

12.0km/h

Seasonal range

15.0°C

Frost days (< 0 °C)

48 d/yr

Hot days (≥ 30 °C)

20 d/yr

Rainy days (≥ 1 mm)

136 d/yr

Annual snowfall

33.0 cm

Average feels-like high

15.4 °C

Average feels-like low

3.7 °C

Average peak gust

33.0 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

14.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.44 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

43.7 °C

27 June 2021

Coldest day

-23.9 °C

21 December 1990

Wettest day

97 mm

18 November 1996

Windiest day

38.1 km/h

12 October 1962

Strongest gust

114.8 km/h

14 December 2006

Hottest feels-like

47.0 °C

27 June 2021

Coldest feels-like

-29.3 °C

21 December 1990

Snowiest day

27.0 cm

14 February 1959

Sunniest day

15.0 h

16 June 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.4 °C11 August 2025	-6.5 °C12 February 2025	12.2 °C	1,147 mm	35	31
2024	37.1 °C9 July 2024	-3.5 °C6 March 2024	12.0 °C	1,642 mm	26	22
2023	40.5 °C14 August 2023	-6.9 °C15 February 2023	12.1 °C	1,230 mm	44	52
2022	37.4 °C29 July 2022	-5.7 °C23 February 2022	11.6 °C	1,317 mm	34	58
2021	43.7 °C27 June 2021	-3.3 °C27 December 2021	12.5 °C	1,187 mm	54	32
2020	38.0 °C15 August 2020	-5.7 °C9 November 2020	11.9 °C	1,265 mm	27	51
2019	36.6 °C27 August 2019	-6.6 °C5 March 2019	11.3 °C	1,158 mm	14	62
2018	35.4 °C12 July 2018	-6.5 °C23 February 2018	11.8 °C	996 mm	32	36
2017	39.7 °C2 August 2017	-11.7 °C6 January 2017	11.4 °C	1,448 mm	32	50
2016	39.9 °C19 August 2016	-5.1 °C2 January 2016	12.5 °C	1,338 mm	29	24
2015	38.7 °C30 July 2015	-6.1 °C29 November 2015	12.8 °C	1,068 mm	33	28
2014	35.8 °C5 September 2014	-4.9 °C17 November 2014	12.7 °C	1,562 mm	47	37
2013	34.3 °C25 July 2013	-23.1 °C8 December 2013	11.0 °C	889 mm	28	59
2012	37.3 °C4 August 2012	-4.9 °C12 January 2012	11.4 °C	1,818 mm	19	29
2011	34.8 °C10 September 2011	-11.6 °C26 February 2011	10.7 °C	1,192 mm	20	54
2010	37.0 °C14 August 2010	-8.1 °C24 November 2010	11.5 °C	1,505 mm	21	14
2009	40.3 °C28 July 2009	-12.3 °C9 December 2009	11.1 °C	1,015 mm	32	62
2008	37.8 °C14 August 2008	-9.0 °C17 December 2008	10.7 °C	1,294 mm	25	48
2007	38.4 °C10 July 2007	-8.9 °C13 January 2007	11.0 °C	1,305 mm	15	55
2006	39.1 °C23 July 2006	-7.6 °C16 February 2006	11.5 °C	1,587 mm	33	40
2005	35.3 °C27 July 2005	-6.6 °C17 December 2005	11.5 °C	1,238 mm	27	45
2004	38.1 °C23 July 2004	-3.2 °C29 November 2004	11.9 °C	1,186 mm	28	25
2003	38.0 °C29 July 2003	-5.9 °C23 November 2003	12.0 °C	1,347 mm	34	25
2002	39.3 °C13 August 2002	-6.1 °C28 January 2002	11.1 °C	1,077 mm	20	48
2001	35.2 °C9 August 2001	-4.3 °C17 January 2001	11.2 °C	1,092 mm	14	32
2000	34.1 °C27 June 2000	-4.8 °C22 November 2000	11.0 °C	1,154 mm	15	41
1999	35.5 °C12 September 1999	-4.6 °C11 February 1999	10.9 °C	1,410 mm	19	35
1998	37.5 °C26 July 1998	-12.1 °C21 December 1998	11.4 °C	1,482 mm	26	25
1997	33.6 °C12 August 1997	-5.5 °C14 January 1997	11.5 °C	1,195 mm	17	37
1996	36.4 °C14 July 1996	-10.2 °C26 February 1996	11.5 °C	1,986 mm	26	26
1995	35.1 °C17 July 1995	-4.3 °C14 February 1995	12.1 °C	1,547 mm	21	25
1994	37.9 °C21 July 1994	-4.9 °C18 November 1994	11.6 °C	1,167 mm	18	52
1993	34.9 °C3 August 1993	-11.6 °C10 January 1993	10.5 °C	1,186 mm	10	69
1992	38.8 °C22 June 1992	-5.9 °C5 December 1992	12.2 °C	987 mm	23	37
1991	36.1 °C24 September 1991	-12.9 °C5 January 1991	11.0 °C	1,081 mm	29	47
1990	36.9 °C4 August 1990	-23.9 °C21 December 1990	11.0 °C	1,211 mm	26	47
1989	34.4 °C13 September 1989	-21.4 °C5 February 1989	10.6 °C	1,012 mm	11	64
1988	37.7 °C19 July 1988	-7.6 °C2 February 1988	10.9 °C	1,286 mm	22	52
1987	37.2 °C31 August 1987	-7.5 °C16 January 1987	11.4 °C	1,011 mm	25	44
1986	34.7 °C8 August 1986	-3.9 °C9 February 1986	11.4 °C	1,337 mm	22	24
1985	37.0 °C19 July 1985	-16.4 °C4 February 1985	9.9 °C	837 mm	24	97
1984	33.6 °C26 August 1984	-9.7 °C20 December 1984	10.6 °C	1,512 mm	11	36
1983	32.5 °C13 August 1983	-15.0 °C23 December 1983	11.1 °C	1,543 mm	5	26
1982	33.8 °C18 June 1982	-15.3 °C7 January 1982	10.3 °C	1,303 mm	10	68
1981	40.5 °C10 August 1981	-4.2 °C6 March 1981	11.1 °C	1,387 mm	19	35
1980	35.4 °C2 October 1980	-12.4 °C29 January 1980	10.7 °C	1,267 mm	13	47
1979	37.1 °C16 July 1979	-16.7 °C2 February 1979	11.2 °C	1,175 mm	15	46
1978	38.8 °C7 August 1978	-11.0 °C30 December 1978	10.7 °C	1,125 mm	15	57
1977	37.2 °C16 August 1977	-10.1 °C20 November 1977	10.5 °C	1,353 mm	13	56
1976	31.1 °C9 September 1976	-7.1 °C29 November 1976	10.0 °C	1,049 mm	7	67
1975	34.4 °C5 September 1975	-11.3 °C30 January 1975	10.4 °C	1,499 mm	11	51
1974	34.0 °C24 September 1974	-12.4 °C9 January 1974	11.0 °C	1,470 mm	23	37
1973	35.9 °C4 September 1973	-11.5 °C7 January 1973	11.0 °C	1,620 mm	15	33
1972	38.4 °C7 August 1972	-22.7 °C8 December 1972	10.6 °C	1,476 mm	22	53
1971	35.4 °C11 August 1971	-13.0 °C1 March 1971	10.0 °C	1,677 mm	11	54
1970	34.4 °C14 July 1970	-5.4 °C5 January 1970	10.9 °C	1,502 mm	20	51
1969	32.1 °C23 July 1969	-15.1 °C24 January 1969	10.5 °C	1,254 mm	8	55
1968	33.8 °C31 July 1968	-9.6 °C28 January 1968	11.2 °C	1,584 mm	14	35
1967	36.1 °C14 September 1967	-7.1 °C13 December 1967	11.3 °C	1,184 mm	28	41
1966	34.7 °C15 June 1966	-5.8 °C4 March 1966	11.1 °C	1,384 mm	13	42
1965	34.3 °C31 July 1965	-9.2 °C16 December 1965	10.9 °C	1,053 mm	14	46
1964	33.8 °C24 August 1964	-9.5 °C17 December 1964	9.9 °C	1,730 mm	10	65
1963	34.2 °C8 September 1963	-11.5 °C12 January 1963	10.4 °C	1,322 mm	10	60
1962	34.6 °C27 July 1962	-13.4 °C22 January 1962	10.6 °C	1,186 mm	16	51
1961	38.7 °C11 July 1961	-6.7 °C11 December 1961	11.0 °C	1,696 mm	18	41
1960	36.4 °C6 July 1960	-6.7 °C1 January 1960	10.8 °C	1,724 mm	18	46
1959	35.9 °C18 July 1959	-7.7 °C3 January 1959	10.8 °C	1,245 mm	16	54
1958	38.2 °C27 July 1958	-7.2 °C10 March 1958	12.2 °C	1,333 mm	32	36
1957	33.6 °C13 September 1957	-19.2 °C27 January 1957	10.6 °C	1,455 mm	7	60
1956	36.7 °C18 July 1956	-14.6 °C16 February 1956	10.2 °C	1,434 mm	15	62
1955	35.8 °C4 September 1955	-17.7 °C15 November 1955	9.8 °C	1,679 mm	10	68
1954	29.5 °C17 May 1954	-14.1 °C20 January 1954	10.2 °C	1,426 mm	0	61
1953	33.6 °C3 September 1953	-3.2 °C25 February 1953	10.9 °C	1,935 mm	12	34
1952	35.7 °C3 August 1952	-9.9 °C1 January 1952	10.4 °C	1,181 mm	22	67
1951	37.0 °C11 July 1951	-11.9 °C30 January 1951	10.8 °C	1,765 mm	20	56
1950	35.2 °C16 August 1950	-18.7 °C31 January 1950	10.6 °C	1,868 mm	17	47
1949	35.1 °C14 July 1949	-16.8 °C24 January 1949	10.1 °C	1,243 mm	10	66
1948	35.6 °C9 September 1948	-13.8 °C6 February 1948	9.7 °C	1,686 mm	14	72
1947	31.3 °C21 September 1947	-17.9 °C15 January 1947	10.2 °C	1,390 mm	4	55
1946	39.1 °C20 July 1946	-10.2 °C3 February 1946	9.8 °C	1,269 mm	19	71
1945	35.9 °C5 August 1945	-6.6 °C14 December 1945	10.4 °C	1,407 mm	25	61
1944	37.6 °C29 August 1944	-4.7 °C27 January 1944	10.3 °C	937 mm	16	73
1943	35.8 °C23 September 1943	-18.0 °C24 January 1943	10.4 °C	848 mm	17	79
1942	37.6 °C14 August 1942	-10.1 °C1 January 1942	10.7 °C	1,134 mm	27	59
1941	37.7 °C15 July 1941	-4.3 °C26 December 1941	10.9 °C	917 mm	16	43
1940	36.3 °C17 August 1940	-5.9 °C14 December 1940	11.5 °C	987 mm	17	49

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

18.2 °C

+1.4 °C

Hot days (≥ 30 °C)

35 d/yr

+15

Frost days (< 0 °C)

31 d/yr

-17

Annual rainfall

1147 mm

-179 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	8.8 °C	+0.4 °C	116 mm	-75 mm
Feb	9.7 °C	-0.8 °C	168 mm	+16 mm
Mar	13.1 °C	+0.6 °C	274 mm	+110 mm
Apr	17.0 °C	+2.0 °C	60 mm	-56 mm
May	19.6 °C	+1.2 °C	37 mm	-43 mm
Jun	24.7 °C	+2.8 °C	25 mm	-19 mm
Jul	29.3 °C	+2.5 °C	1 mm	-9 mm
Aug	29.7 °C	+2.8 °C	7 mm	-10 mm
Sep	24.8 °C	+1.1 °C	44 mm	-1 mm
Oct	16.9 °C	-0.5 °C	112 mm	+1 mm
Nov	13.0 °C	+1.6 °C	103 mm	-90 mm
Dec	11.0 °C	+2.7 °C	201 mm	-3 mm

The year's extremes

Hottest day

37.4 °C

11 Aug 2025

Coldest day

-6.5 °C

12 Feb 2025

Wettest day

60.3 mm

16 Mar 2025

Windiest day

30.9 km/h

25 Oct 2025

Strongest gust

99.0 km/h

17 Dec 2025

Hottest feels-like

38.2 °C

11 Aug 2025

Coldest feels-like

-10.5 °C

12 Feb 2025

Snowiest day

2.7 cm

16 Mar 2025

Sunniest day

15.0 h

15 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Eugene?

Eugene has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 1,326 mm of precipitation per year.

What is the hottest day ever recorded in Eugene?

The hottest day measured in Eugene between 1940 and 2025 was 27 June 2021, reaching 43.7 °C.

What is the coldest day in Eugene?

The coldest day measured in Eugene between 1940 and 2025 was 21 December 1990, at -23.9 °C.

Does it snow in Eugene?

Yes. Eugene gets on average 33.0 cm of snow per year and has around 48 frost days.

Has the climate of Eugene warmed?

Yes: Eugene warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Eugene?

The wettest day measured in Eugene between 1940 and 2025 was 18 November 1996, with 97 mm of rain in 24 hours.

What was the windiest day in Eugene?

The windiest day measured in Eugene between 1940 and 2025 was 12 October 1962, with winds reaching 38.1 km/h.

What is the warmest month in Eugene?

The warmest month in Eugene is July (19.1 °C on average); the coldest is January (4.1 °C).

How much does it rain in Eugene?

Eugene receives on average 1,326 mm of precipitation per year, spread over about 136 rainy days.

Is it sunny in Eugene?

Eugene gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Eugene?

The heaviest 24-hour snowfall measured in Eugene between 1940 and 2025 was 14 February 1959, with 27.0 cm.

Are there tropical nights in Eugene?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Eugene.

What was the most extreme apparent temperature in Eugene?

In Eugene, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 27 June 2021, and the lowest was -29.3 °C on 21 December 1990.

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