Roseburg climate — normals and trends

Q: What is the climate of Roseburg?

Roseburg has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 1,204 mm of precipitation per year.

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

The hottest day measured in Roseburg between 1940 and 2025 was 27 June 2021, reaching 42.1 °C.

Q: What is the coldest day in Roseburg?

The coldest day measured in Roseburg between 1940 and 2025 was 8 December 1972, at -23.4 °C.

Q: Does it snow in Roseburg?

Yes. Roseburg gets on average 60.2 cm of snow per year and has around 54 frost days.

Q: Has the climate of Roseburg warmed?

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

Q: What is the wettest day in Roseburg?

The wettest day measured in Roseburg between 1940 and 2025 was 18 November 1996, with 105 mm of rain in 24 hours.

Q: What was the windiest day in Roseburg?

The windiest day measured in Roseburg between 1940 and 2025 was 12 October 1962, with winds reaching 36.1 km/h.

Q: What is the warmest month in Roseburg?

The warmest month in Roseburg is July (18.8 °C on average); the coldest is January (3.8 °C).

Q: How much does it rain in Roseburg?

Roseburg receives on average 1,204 mm of precipitation per year, spread over about 133 rainy days.

Q: Is it sunny in Roseburg?

Roseburg gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Roseburg (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 1,204 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 (18.8 °C on average) and the coldest is January (3.8 °C). Rainfall peaks in December.

Roseburg averages 54 frost days, 21 hot days (≥ 30 °C) and 133 rainy days per year.

Roseburg has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The number of frost days there went from about 67 to 41 per year over the period.

The hottest day of the period reached 42.1 °C (on 27 June 2021) and the coldest -23.4 °C (on 8 December 1972).

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

RoseburgOregon

coords: 43.22°, -123.34°
period: 1940–2025 · 86 yrs

CsbWarm-summer MediterraneanWarmest monthJulyColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

10.7°C

Average daily high

16.8°C

Average daily low

5.5°C

Annual rainfall

1,204mm

Sunshine / day

9.1h

Mean relative humidity

75%

Average peak wind

11.6km/h

Seasonal range

15.0°C

Frost days (< 0 °C)

54 d/yr

Hot days (≥ 30 °C)

21 d/yr

Rainy days (≥ 1 mm)

133 d/yr

Annual snowfall

60.2 cm

Average feels-like high

15.4 °C

Average feels-like low

3.5 °C

Average peak gust

34.4 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

15.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.45 · 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

42.1 °C

27 June 2021

Coldest day

-23.4 °C

8 December 1972

Wettest day

105 mm

18 November 1996

Windiest day

36.1 km/h

12 October 1962

Strongest gust

122.8 km/h

6 December 1952

Hottest feels-like

46.0 °C

27 June 2021

Coldest feels-like

-28.2 °C

8 December 1972

Snowiest day

35.7 cm

14 February 1959

Sunniest day

14.9 h

15 June 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.5 °C10 August 2025	-6.1 °C12 February 2025	11.8 °C	1,082 mm	28	37
2024	37.3 °C6 July 2024	-4.7 °C7 March 2024	11.6 °C	1,531 mm	22	28
2023	39.5 °C14 August 2023	-9.6 °C15 February 2023	11.6 °C	1,106 mm	30	60
2022	35.9 °C25 July 2022	-6.1 °C23 February 2022	11.3 °C	1,167 mm	29	65
2021	42.1 °C27 June 2021	-3.5 °C14 December 2021	11.8 °C	1,062 mm	42	37
2020	39.3 °C15 August 2020	-4.6 °C4 February 2020	11.6 °C	1,047 mm	28	57
2019	36.9 °C27 August 2019	-6.8 °C28 February 2019	11.1 °C	1,155 mm	14	64
2018	35.3 °C12 July 2018	-8.1 °C27 February 2018	11.5 °C	868 mm	26	45
2017	40.4 °C2 August 2017	-8.4 °C6 January 2017	11.2 °C	1,246 mm	30	55
2016	38.6 °C19 August 2016	-4.8 °C2 January 2016	12.1 °C	1,253 mm	24	24
2015	39.3 °C30 July 2015	-6.4 °C29 November 2015	12.5 °C	996 mm	30	27
2014	35.7 °C11 August 2014	-6.7 °C30 December 2014	12.5 °C	1,323 mm	42	38
2013	35.5 °C25 July 2013	-15.6 °C8 December 2013	10.8 °C	743 mm	27	72
2012	35.6 °C4 August 2012	-4.6 °C12 January 2012	11.0 °C	1,704 mm	18	42
2011	34.9 °C10 September 2011	-7.4 °C26 February 2011	10.4 °C	1,101 mm	17	56
2010	37.4 °C25 August 2010	-8.3 °C24 November 2010	11.2 °C	1,339 mm	20	17
2009	40.1 °C28 July 2009	-11.5 °C9 December 2009	10.8 °C	913 mm	31	66
2008	37.7 °C14 August 2008	-7.6 °C17 December 2008	10.5 °C	1,154 mm	27	67
2007	35.5 °C10 July 2007	-6.7 °C13 January 2007	10.7 °C	1,140 mm	11	56
2006	38.7 °C23 July 2006	-5.9 °C29 November 2006	11.2 °C	1,352 mm	30	51
2005	35.8 °C18 July 2005	-5.9 °C17 December 2005	11.2 °C	1,198 mm	29	47
2004	37.3 °C23 July 2004	-2.8 °C29 November 2004	11.6 °C	1,037 mm	28	28
2003	38.5 °C28 July 2003	-6.0 °C23 November 2003	11.6 °C	1,152 mm	37	32
2002	40.3 °C13 August 2002	-7.6 °C29 January 2002	10.9 °C	981 mm	26	46
2001	35.7 °C9 August 2001	-4.2 °C17 January 2001	10.9 °C	910 mm	15	45
2000	34.8 °C27 June 2000	-3.8 °C22 November 2000	10.7 °C	1,077 mm	19	39
1999	35.4 °C12 September 1999	-6.2 °C11 February 1999	10.6 °C	1,184 mm	20	41
1998	38.7 °C26 July 1998	-11.2 °C23 December 1998	10.9 °C	1,471 mm	32	33
1997	33.2 °C24 September 1997	-5.2 °C14 January 1997	11.3 °C	1,030 mm	18	43
1996	37.0 °C9 August 1996	-6.6 °C26 February 1996	11.4 °C	1,799 mm	35	28
1995	35.8 °C17 July 1995	-2.6 °C23 December 1995	11.9 °C	1,414 mm	27	28
1994	36.6 °C21 July 1994	-6.2 °C22 November 1994	11.2 °C	1,024 mm	20	56
1993	35.1 °C2 August 1993	-10.0 °C2 January 1993	10.3 °C	1,149 mm	11	72
1992	39.4 °C22 June 1992	-5.4 °C5 December 1992	11.9 °C	994 mm	25	40
1991	36.3 °C24 September 1991	-9.4 °C1 January 1991	10.8 °C	967 mm	34	49
1990	37.1 °C4 August 1990	-21.8 °C21 December 1990	10.7 °C	1,141 mm	27	59
1989	34.7 °C13 September 1989	-16.8 °C5 February 1989	10.5 °C	859 mm	13	70
1988	39.3 °C19 July 1988	-8.9 °C26 December 1988	10.8 °C	1,106 mm	28	53
1987	37.8 °C30 August 1987	-8.9 °C25 December 1987	11.3 °C	992 mm	31	47
1986	34.3 °C8 August 1986	-3.8 °C9 February 1986	11.2 °C	1,211 mm	17	30
1985	36.8 °C17 June 1985	-11.0 °C30 November 1985	9.8 °C	798 mm	18	96
1984	34.5 °C15 July 1984	-8.9 °C20 December 1984	10.2 °C	1,320 mm	12	47
1983	33.0 °C27 May 1983	-11.0 °C23 December 1983	10.8 °C	1,464 mm	6	29
1982	34.0 °C1 September 1982	-14.6 °C7 January 1982	10.0 °C	1,232 mm	10	76
1981	40.6 °C10 August 1981	-4.4 °C30 December 1981	11.0 °C	1,300 mm	21	34
1980	34.4 °C27 July 1980	-12.1 °C8 December 1980	10.5 °C	1,150 mm	16	47
1979	37.2 °C16 July 1979	-11.6 °C29 January 1979	11.0 °C	1,178 mm	19	54
1978	40.4 °C7 August 1978	-9.7 °C30 December 1978	10.6 °C	980 mm	14	53
1977	38.7 °C16 August 1977	-10.0 °C8 January 1977	10.2 °C	1,214 mm	13	67
1976	31.5 °C9 September 1976	-8.5 °C1 January 1976	9.7 °C	894 mm	6	75
1975	35.9 °C5 September 1975	-8.7 °C21 February 1975	10.0 °C	1,357 mm	12	61
1974	35.1 °C24 September 1974	-11.1 °C24 December 1974	10.8 °C	1,287 mm	22	46
1973	36.4 °C4 September 1973	-7.6 °C7 January 1973	10.8 °C	1,472 mm	18	36
1972	37.2 °C6 August 1972	-23.4 °C8 December 1972	10.2 °C	1,284 mm	23	57
1971	32.8 °C20 July 1971	-12.7 °C1 March 1971	9.6 °C	1,448 mm	10	62
1970	35.3 °C14 July 1970	-8.0 °C4 December 1970	10.6 °C	1,336 mm	16	48
1969	32.5 °C23 July 1969	-15.1 °C24 January 1969	10.2 °C	1,111 mm	8	61
1968	33.8 °C25 June 1968	-12.6 °C21 December 1968	10.8 °C	1,325 mm	14	49
1967	37.1 °C1 July 1967	-9.3 °C13 December 1967	10.8 °C	1,146 mm	28	68
1966	35.7 °C15 June 1966	-7.1 °C4 March 1966	10.7 °C	1,259 mm	17	47
1965	35.0 °C23 July 1965	-9.2 °C16 December 1965	10.5 °C	963 mm	12	60
1964	34.7 °C24 August 1964	-8.4 °C17 December 1964	9.7 °C	1,589 mm	12	72
1963	35.8 °C8 September 1963	-11.2 °C12 January 1963	10.2 °C	1,241 mm	10	64
1962	35.1 °C17 September 1962	-21.9 °C22 January 1962	10.2 °C	1,134 mm	18	63
1961	40.2 °C11 July 1961	-5.8 °C11 December 1961	10.7 °C	1,505 mm	25	48
1960	37.0 °C28 July 1960	-10.8 °C10 January 1960	10.5 °C	1,531 mm	18	54
1959	36.7 °C18 July 1959	-7.7 °C12 February 1959	10.6 °C	1,114 mm	20	55
1958	38.7 °C27 July 1958	-8.0 °C16 November 1958	12.0 °C	1,209 mm	36	38
1957	33.5 °C22 September 1957	-21.4 °C27 January 1957	10.3 °C	1,306 mm	10	70
1956	38.8 °C18 July 1956	-10.0 °C16 February 1956	10.0 °C	1,357 mm	19	74
1955	38.3 °C4 September 1955	-20.2 °C15 November 1955	9.5 °C	1,521 mm	17	73
1954	32.0 °C25 September 1954	-12.5 °C20 January 1954	10.2 °C	1,308 mm	2	63
1953	36.5 °C13 August 1953	-5.1 °C25 February 1953	10.7 °C	1,840 mm	17	43
1952	35.4 °C2 September 1952	-10.0 °C3 January 1952	10.3 °C	1,166 mm	28	75
1951	36.9 °C11 July 1951	-7.5 °C30 January 1951	10.6 °C	1,657 mm	20	61
1950	37.5 °C16 August 1950	-13.8 °C3 January 1950	10.4 °C	1,758 mm	16	45
1949	36.5 °C14 July 1949	-16.2 °C11 January 1949	9.9 °C	1,079 mm	10	65
1948	36.9 °C9 September 1948	-11.2 °C12 February 1948	9.3 °C	1,546 mm	13	96
1947	31.7 °C21 September 1947	-20.0 °C15 January 1947	9.8 °C	1,287 mm	4	58
1946	39.0 °C20 July 1946	-11.5 °C4 February 1946	9.4 °C	1,063 mm	17	88
1945	36.2 °C21 August 1945	-6.2 °C5 March 1945	10.0 °C	1,294 mm	35	71
1944	37.5 °C29 August 1944	-7.0 °C30 December 1944	10.0 °C	850 mm	18	79
1943	36.1 °C23 September 1943	-16.7 °C24 January 1943	10.2 °C	781 mm	20	81
1942	38.4 °C14 August 1942	-12.4 °C2 January 1942	10.2 °C	1,054 mm	29	69
1941	36.6 °C16 July 1941	-5.6 °C26 December 1941	10.4 °C	924 mm	15	56
1940	36.9 °C5 August 1940	-4.7 °C20 February 1940	10.9 °C	913 mm	20	57

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

18.0 °C

+1.2 °C

Hot days (≥ 30 °C)

28 d/yr

Frost days (< 0 °C)

37 d/yr

-17

Annual rainfall

1082 mm

-122 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	9.4 °C	+1.0 °C	115 mm	-59 mm
Feb	9.5 °C	-1.0 °C	163 mm	+26 mm
Mar	13.0 °C	+0.6 °C	287 mm	+135 mm
Apr	17.1 °C	+2.1 °C	49 mm	-56 mm
May	19.5 °C	+1.0 °C	43 mm	-34 mm
Jun	24.4 °C	+2.3 °C	21 mm	-18 mm
Jul	28.4 °C	+1.4 °C	1 mm	-8 mm
Aug	28.7 °C	+1.8 °C	6 mm	-9 mm
Sep	24.4 °C	+0.4 °C	41 mm	+4 mm
Oct	16.8 °C	-1.0 °C	105 mm	+8 mm
Nov	13.4 °C	+2.0 °C	97 mm	-75 mm
Dec	10.5 °C	+2.4 °C	155 mm	-35 mm

The year's extremes

Hottest day

37.5 °C

10 Aug 2025

Coldest day

-6.1 °C

12 Feb 2025

Wettest day

82.2 mm

16 Mar 2025

Windiest day

27.6 km/h

24 Feb 2025

Strongest gust

89.3 km/h

24 Feb 2025

Hottest feels-like

38.1 °C

10 Aug 2025

Coldest feels-like

-10.3 °C

12 Feb 2025

Snowiest day

13.5 cm

16 Mar 2025

Sunniest day

14.9 h

27 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 Roseburg?

Roseburg has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 1,204 mm of precipitation per year.

What is the hottest day ever recorded in Roseburg?

The hottest day measured in Roseburg between 1940 and 2025 was 27 June 2021, reaching 42.1 °C.

What is the coldest day in Roseburg?

The coldest day measured in Roseburg between 1940 and 2025 was 8 December 1972, at -23.4 °C.

Does it snow in Roseburg?

Yes. Roseburg gets on average 60.2 cm of snow per year and has around 54 frost days.

Has the climate of Roseburg warmed?

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

What is the wettest day in Roseburg?

The wettest day measured in Roseburg between 1940 and 2025 was 18 November 1996, with 105 mm of rain in 24 hours.

What was the windiest day in Roseburg?

The windiest day measured in Roseburg between 1940 and 2025 was 12 October 1962, with winds reaching 36.1 km/h.

What is the warmest month in Roseburg?

The warmest month in Roseburg is July (18.8 °C on average); the coldest is January (3.8 °C).

How much does it rain in Roseburg?

Roseburg receives on average 1,204 mm of precipitation per year, spread over about 133 rainy days.

Is it sunny in Roseburg?

Roseburg gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

What is the biggest single-day snowfall in Roseburg?

The heaviest 24-hour snowfall measured in Roseburg between 1940 and 2025 was 14 February 1959, with 35.7 cm.

Are there tropical nights in Roseburg?

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

What was the most extreme apparent temperature in Roseburg?

In Roseburg, between 1940 and 2025, the highest apparent temperature reached 46.0 °C on 27 June 2021, and the lowest was -28.2 °C on 8 December 1972.

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