Cosne-Cours-sur-Loire climate — normals and trends

Q: What is the climate of Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 798 mm of precipitation per year.

Q: What is the hottest day ever recorded in Cosne-Cours-sur-Loire?

The hottest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 25 July 2019, reaching 40.8 °C.

Q: What is the coldest day in Cosne-Cours-sur-Loire?

The coldest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 17 January 1985, at -21.4 °C.

Q: Does it snow in Cosne-Cours-sur-Loire?

Yes. Cosne-Cours-sur-Loire gets on average 17.5 cm of snow per year and has around 47 frost days.

Q: Has the climate of Cosne-Cours-sur-Loire warmed?

Yes: Cosne-Cours-sur-Loire warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Cosne-Cours-sur-Loire?

The wettest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 19 September 2021, with 57 mm of rain in 24 hours.

Q: What was the windiest day in Cosne-Cours-sur-Loire?

The windiest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 26 December 1999, with winds reaching 55.2 km/h.

Q: What is the warmest month in Cosne-Cours-sur-Loire?

The warmest month in Cosne-Cours-sur-Loire is July (19.4 °C on average); the coldest is January (3.1 °C).

Q: How much does it rain in Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire receives on average 798 mm of precipitation per year, spread over about 140 rainy days.

Q: Is it sunny in Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

Cosne-Cours-sur-Loire (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 798 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 (19.4 °C on average) and the coldest is January (3.1 °C). Rainfall peaks in May.

Cosne-Cours-sur-Loire averages 47 frost days, 8 hot days (≥ 30 °C) and 140 rainy days per year.

Cosne-Cours-sur-Loire has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The number of frost days there went from about 58 to 36 per year over the period.

The hottest day of the period reached 40.8 °C (on 25 July 2019) and the coldest -21.4 °C (on 17 January 1985).

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

Cosne-Cours-sur-LoireBourgogne

coords: 47.41°, 2.93°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJulyColdest monthJanuaryWettest monthMayDriest monthJuly

Mean daily temperature

11.0°C

Average daily high

14.9°C

Average daily low

7.3°C

Annual rainfall

798mm

Sunshine / day

7.9h

Mean relative humidity

78%

Average peak wind

17.1km/h

Seasonal range

16.3°C

Frost days (< 0 °C)

47 d/yr

Hot days (≥ 30 °C)

8 d/yr

Rainy days (≥ 1 mm)

140 d/yr

Annual snowfall

17.5 cm

Average feels-like high

12.9 °C

Average feels-like low

4.7 °C

Average peak gust

35.0 km/h

Tropical nights (≥ 20 °C)

2 d/yr

Solar radiation

12.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.38 · 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

40.8 °C

25 July 2019

Coldest day

-21.4 °C

17 January 1985

Wettest day

57 mm

19 September 2021

Windiest day

55.2 km/h

26 December 1999

Strongest gust

130.3 km/h

26 December 1999

Hottest feels-like

41.7 °C

27 June 2019

Coldest feels-like

-26.8 °C

17 January 1985

Snowiest day

16.7 cm

28 November 1947

Sunniest day

15.4 h

1 July 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.7 °C2 July 2025	-6.8 °C14 January 2025	12.2 °C	793 mm	27	43
2024	35.1 °C30 July 2024	-6.1 °C16 January 2024	12.1 °C	1,067 mm	13	27
2023	33.4 °C9 September 2023	-6.2 °C9 February 2023	12.9 °C	882 mm	19	34
2022	37.0 °C18 July 2022	-6.1 °C18 December 2022	13.0 °C	773 mm	24	37
2021	32.8 °C16 June 2021	-7.4 °C13 February 2021	11.3 °C	954 mm	7	45
2020	37.2 °C8 August 2020	-3.4 °C22 January 2020	13.1 °C	669 mm	24	17
2019	40.8 °C25 July 2019	-3.3 °C19 January 2019	12.5 °C	772 mm	26	27
2018	37.1 °C7 August 2018	-11.1 °C28 February 2018	12.8 °C	752 mm	20	36
2017	35.6 °C21 June 2017	-8.5 °C20 January 2017	11.9 °C	796 mm	16	37
2016	35.2 °C19 July 2016	-4.1 °C1 December 2016	11.5 °C	925 mm	15	38
2015	37.2 °C1 July 2015	-4.5 °C1 January 2015	12.2 °C	705 mm	22	37
2014	35.0 °C18 July 2014	-7.3 °C29 December 2014	12.4 °C	850 mm	6	11
2013	35.0 °C1 August 2013	-5.2 °C23 February 2013	11.0 °C	873 mm	13	54
2012	36.5 °C18 August 2012	-11.8 °C7 February 2012	11.4 °C	852 mm	9	41
2011	35.6 °C27 June 2011	-4.5 °C31 January 2011	12.3 °C	667 mm	8	26
2010	34.1 °C9 July 2010	-8.2 °C16 February 2010	10.3 °C	821 mm	9	72
2009	34.6 °C19 August 2009	-12.1 °C20 December 2009	11.5 °C	772 mm	9	50
2008	32.2 °C31 July 2008	-4.6 °C28 December 2008	11.1 °C	859 mm	5	50
2007	32.9 °C15 July 2007	-8.1 °C26 January 2007	11.5 °C	799 mm	4	31
2006	36.8 °C26 July 2006	-6.3 °C25 January 2006	11.9 °C	765 mm	25	60
2005	34.5 °C27 July 2005	-11.3 °C1 March 2005	11.3 °C	641 mm	21	70
2004	32.2 °C2 August 2004	-5.8 °C27 February 2004	11.1 °C	753 mm	7	46
2003	39.3 °C12 August 2003	-11.1 °C13 January 2003	12.1 °C	728 mm	21	53
2002	34.5 °C17 June 2002	-5.8 °C1 January 2002	11.9 °C	796 mm	9	26
2001	33.7 °C25 August 2001	-9.2 °C24 December 2001	11.2 °C	991 mm	10	52
2000	33.2 °C25 August 2000	-7.8 °C26 January 2000	11.9 °C	911 mm	9	25
1999	34.8 °C25 August 1999	-9.4 °C12 January 1999	11.7 °C	999 mm	6	31
1998	37.0 °C11 August 1998	-7.8 °C22 November 1998	11.1 °C	738 mm	13	47
1997	33.2 °C24 August 1997	-13.1 °C1 January 1997	11.6 °C	724 mm	10	44
1996	31.9 °C22 July 1996	-11.1 °C29 December 1996	10.3 °C	797 mm	4	60
1995	35.8 °C21 July 1995	-7.5 °C5 January 1995	11.6 °C	831 mm	19	44
1994	33.7 °C4 August 1994	-6.3 °C19 January 1994	12.1 °C	883 mm	16	23
1993	32.4 °C21 August 1993	-11.0 °C4 January 1993	10.7 °C	785 mm	5	50
1992	34.4 °C7 August 1992	-9.4 °C23 January 1992	10.9 °C	744 mm	11	50
1991	33.5 °C11 July 1991	-11.2 °C7 February 1991	10.4 °C	563 mm	5	57
1990	35.4 °C4 August 1990	-6.2 °C7 December 1990	11.7 °C	654 mm	12	29
1989	32.5 °C22 July 1989	-5.7 °C26 November 1989	11.6 °C	673 mm	4	50
1988	30.6 °C23 July 1988	-6.0 °C22 November 1988	11.1 °C	884 mm	2	27
1987	32.4 °C21 August 1987	-15.0 °C12 January 1987	10.0 °C	815 mm	4	61
1986	35.7 °C3 August 1986	-13.4 °C25 February 1986	10.0 °C	979 mm	7	65
1985	32.6 °C25 July 1985	-21.4 °C17 January 1985	9.6 °C	674 mm	1	80
1984	33.8 °C30 July 1984	-6.1 °C19 February 1984	10.3 °C	882 mm	5	41
1983	33.9 °C31 July 1983	-6.2 °C5 December 1983	10.8 °C	895 mm	9	54
1982	31.4 °C11 July 1982	-5.6 °C26 February 1982	11.2 °C	898 mm	4	31
1981	30.9 °C5 August 1981	-8.0 °C14 January 1981	10.5 °C	1,096 mm	1	51
1980	31.2 °C2 August 1980	-9.1 °C14 January 1980	9.8 °C	826 mm	2	53
1979	30.8 °C27 July 1979	-11.2 °C16 January 1979	10.1 °C	962 mm	1	54
1978	30.4 °C29 July 1978	-5.2 °C30 November 1978	10.2 °C	835 mm	2	42
1977	28.5 °C3 July 1977	-4.9 °C1 December 1977	10.7 °C	1,093 mm	0	33
1976	34.5 °C1 July 1976	-6.6 °C27 December 1976	11.3 °C	642 mm	19	49
1975	34.9 °C4 August 1975	-6.1 °C20 December 1975	10.5 °C	823 mm	10	48
1974	36.1 °C16 August 1974	-2.6 °C5 March 1974	11.0 °C	866 mm	6	20
1973	32.5 °C13 August 1973	-8.7 °C3 December 1973	10.3 °C	797 mm	14	77
1972	30.0 °C8 July 1972	-9.5 °C31 January 1972	10.1 °C	931 mm	1	31
1971	31.3 °C12 July 1971	-12.9 °C3 January 1971	10.4 °C	806 mm	6	51
1970	31.1 °C28 July 1970	-10.9 °C31 December 1970	10.4 °C	902 mm	1	50
1969	33.1 °C28 July 1969	-8.9 °C18 February 1969	10.5 °C	797 mm	4	57
1968	33.8 °C1 July 1968	-11.0 °C13 January 1968	10.3 °C	953 mm	2	54
1967	32.6 °C18 July 1967	-11.5 °C11 January 1967	10.8 °C	783 mm	8	42
1966	30.5 °C12 August 1966	-10.6 °C19 January 1966	11.1 °C	920 mm	1	33
1965	29.6 °C25 June 1965	-7.2 °C3 March 1965	10.3 °C	1,022 mm	0	42
1964	35.7 °C18 July 1964	-12.2 °C29 December 1964	10.7 °C	571 mm	12	62
1963	31.4 °C22 July 1963	-13.1 °C19 January 1963	9.8 °C	783 mm	1	69
1962	32.5 °C25 July 1962	-9.3 °C28 December 1962	10.0 °C	719 mm	4	65
1961	33.3 °C1 September 1961	-6.2 °C19 December 1961	11.9 °C	700 mm	12	34
1960	29.7 °C22 June 1960	-9.0 °C16 January 1960	10.9 °C	879 mm	0	36
1959	32.7 °C9 July 1959	-5.4 °C16 January 1959	12.1 °C	625 mm	6	36
1958	28.0 °C10 August 1958	-4.9 °C27 February 1958	10.9 °C	1,162 mm	0	43
1957	34.4 °C6 July 1957	-6.5 °C20 January 1957	11.0 °C	747 mm	6	38
1956	29.1 °C8 July 1956	-15.9 °C15 February 1956	9.6 °C	705 mm	0	66
1955	31.1 °C18 July 1955	-7.2 °C20 February 1955	10.9 °C	721 mm	2	58
1954	31.5 °C3 August 1954	-12.7 °C1 February 1954	10.1 °C	781 mm	1	42
1953	31.3 °C12 August 1953	-7.9 °C17 February 1953	10.7 °C	489 mm	3	64
1952	35.9 °C1 July 1952	-10.1 °C28 January 1952	10.7 °C	843 mm	9	63
1951	28.2 °C31 July 1951	-3.2 °C6 March 1951	10.4 °C	929 mm	0	30
1950	31.4 °C4 July 1950	-9.2 °C20 December 1950	10.8 °C	789 mm	6	51
1949	33.1 °C12 July 1949	-7.7 °C6 March 1949	11.4 °C	517 mm	6	53
1948	31.3 °C28 July 1948	-13.0 °C23 February 1948	10.7 °C	800 mm	2	36
1947	36.6 °C28 July 1947	-13.3 °C28 January 1947	11.9 °C	682 mm	27	64
1946	33.0 °C26 July 1946	-12.4 °C20 December 1946	10.5 °C	550 mm	6	61
1945	33.6 °C14 July 1945	-16.1 °C12 January 1945	10.8 °C	576 mm	5	61
1944	31.8 °C16 August 1944	-9.6 °C1 March 1944	10.2 °C	721 mm	6	73
1943	33.4 °C31 July 1943	-4.4 °C9 January 1943	11.2 °C	634 mm	6	49
1942	31.0 °C27 August 1942	-18.8 °C22 January 1942	10.3 °C	657 mm	7	81
1941	33.2 °C25 July 1941	-15.0 °C6 February 1941	9.6 °C	672 mm	7	64
1940	29.8 °C6 September 1940	-14.8 °C20 January 1940	9.8 °C	788 mm	0	76

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

17.0 °C

+2.1 °C

Hot days (≥ 30 °C)

27 d/yr

+19

Frost days (< 0 °C)

43 d/yr

-4

Annual rainfall

793 mm

-5 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	7.1 °C	+1.5 °C	108 mm	+41 mm
Feb	8.8 °C	+1.5 °C	54 mm	-10 mm
Mar	13.3 °C	+2.1 °C	59 mm	-3 mm
Apr	18.0 °C	+3.5 °C	53 mm	-12 mm
May	20.4 °C	+2.1 °C	39 mm	-41 mm
Jun	27.4 °C	+5.5 °C	25 mm	-40 mm
Jul	25.9 °C	+1.7 °C	65 mm	+8 mm
Aug	26.7 °C	+2.8 °C	74 mm	+16 mm
Sep	19.9 °C	-0.7 °C	82 mm	+18 mm
Oct	16.0 °C	+0.4 °C	73 mm	+1 mm
Nov	11.1 °C	+1.5 °C	86 mm	+13 mm
Dec	8.5 °C	+2.1 °C	78 mm	+4 mm

The year's extremes

Hottest day

37.7 °C

2 Jul 2025

Coldest day

-6.8 °C

14 Jan 2025

Wettest day

28.4 mm

31 Aug 2025

Windiest day

39.6 km/h

23 Oct 2025

Strongest gust

85.3 km/h

23 Oct 2025

Hottest feels-like

40.1 °C

1 Jul 2025

Coldest feels-like

-10.5 °C

14 Jan 2025

Snowiest day

1.0 cm

2 Jan 2025

Sunniest day

15.4 h

1 Jul 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 Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 798 mm of precipitation per year.

What is the hottest day ever recorded in Cosne-Cours-sur-Loire?

The hottest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 25 July 2019, reaching 40.8 °C.

What is the coldest day in Cosne-Cours-sur-Loire?

The coldest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 17 January 1985, at -21.4 °C.

Does it snow in Cosne-Cours-sur-Loire?

Yes. Cosne-Cours-sur-Loire gets on average 17.5 cm of snow per year and has around 47 frost days.

Has the climate of Cosne-Cours-sur-Loire warmed?

Yes: Cosne-Cours-sur-Loire warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Cosne-Cours-sur-Loire?

The wettest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 19 September 2021, with 57 mm of rain in 24 hours.

What was the windiest day in Cosne-Cours-sur-Loire?

The windiest day measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 26 December 1999, with winds reaching 55.2 km/h.

What is the warmest month in Cosne-Cours-sur-Loire?

The warmest month in Cosne-Cours-sur-Loire is July (19.4 °C on average); the coldest is January (3.1 °C).

How much does it rain in Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire receives on average 798 mm of precipitation per year, spread over about 140 rainy days.

Is it sunny in Cosne-Cours-sur-Loire?

Cosne-Cours-sur-Loire gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

What is the biggest single-day snowfall in Cosne-Cours-sur-Loire?

The heaviest 24-hour snowfall measured in Cosne-Cours-sur-Loire between 1940 and 2025 was 28 November 1947, with 16.7 cm.

Are there tropical nights in Cosne-Cours-sur-Loire?

Yes: Cosne-Cours-sur-Loire has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Cosne-Cours-sur-Loire?

In Cosne-Cours-sur-Loire, between 1940 and 2025, the highest apparent temperature reached 41.7 °C on 27 June 2019, and the lowest was -26.8 °C on 17 January 1985.

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