L'Isle-d'Abeau climate — normals and trends

Q: What is the climate of L'Isle-d'Abeau?

L'Isle-d'Abeau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 933 mm of precipitation per year.

Q: What is the hottest day ever recorded in L'Isle-d'Abeau?

The hottest day measured in L'Isle-d'Abeau between 1940 and 2025 was 12 August 2025, reaching 39.9 °C.

Q: What is the coldest day in L'Isle-d'Abeau?

The coldest day measured in L'Isle-d'Abeau between 1940 and 2025 was 12 January 1945, at -22.0 °C.

Q: Does it snow in L'Isle-d'Abeau?

Yes. L'Isle-d'Abeau gets on average 34.3 cm of snow per year and has around 58 frost days.

Q: Has the climate of L'Isle-d'Abeau warmed?

Yes: L'Isle-d'Abeau warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in L'Isle-d'Abeau?

The wettest day measured in L'Isle-d'Abeau between 1940 and 2025 was 10 October 1988, with 66 mm of rain in 24 hours.

Q: What was the windiest day in L'Isle-d'Abeau?

The windiest day measured in L'Isle-d'Abeau between 1940 and 2025 was 28 October 2012, with winds reaching 42.5 km/h.

Q: What is the warmest month in L'Isle-d'Abeau?

The warmest month in L'Isle-d'Abeau is July (21.1 °C on average); the coldest is January (2.2 °C).

Q: How much does it rain in L'Isle-d'Abeau?

L'Isle-d'Abeau receives on average 933 mm of precipitation per year, spread over about 128 rainy days.

Q: Is it sunny in L'Isle-d'Abeau?

L'Isle-d'Abeau gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

L'Isle-d'Abeau has a temperate oceanic climate, averaging 11.5 °C annually with 933 mm of rain per year.

Climate normals · ERA5

L'Isle-d'AbeauRhône-Alpes

coords: 45.62°, 5.22°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthJulyColdest monthJanuaryWettest monthNovemberDriest monthJuly

The normals for this period

The average of every indicator across the whole window: temperature, water, sky, wind and notable days.

Mean daily temperature

11.5°C

Average daily high

16.0°C

Average daily low

7.3°C

Annual rainfall

933mm

Sunshine / day

9.0h

Mean relative humidity

74%

Average peak wind

14.2km/h

Seasonal range

18.9°C

Frost days (< 0 °C)

58 d/yr

Hot days (≥ 30 °C)

17 d/yr

Rainy days (≥ 1 mm)

128 d/yr

Annual snowfall

34.3 cm

Average feels-like high

14.3 °C

Average feels-like low

5.3 °C

Average peak gust

32.8 km/h

Tropical nights (≥ 20 °C)

5 d/yr

Solar radiation

13.1 MJ/m²

Has the climate changed?

What the yearly averages say about warming here, and whether the slope is statistically solid.

+2.8 °C

since 1940

+0.3 °C per decade · r² = 0.65 · 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).

Climate month by month

How an average year unfolds: when it rains, when it turns hot, when the sun is out.

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

The most extreme days ever measured here, then the year-by-year detail.

Hottest day

39.9 °C

12 August 2025

Coldest day

-22.0 °C

12 January 1945

Wettest day

66 mm

10 October 1988

Windiest day

42.5 km/h

28 October 2012

Strongest gust

92.9 km/h

28 December 1999

Hottest feels-like

42.0 °C

27 June 2019

Coldest feels-like

-26.4 °C

12 January 1945

Snowiest day

27.5 cm

9 December 1990

Sunniest day

15.0 h

26 May 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	39.9 °C12 August 2025	-5.7 °C15 January 2025	13.5 °C	995 mm	46	39
2024	36.8 °C11 August 2024	-5.3 °C20 January 2024	13.2 °C	1,056 mm	29	30
2023	39.1 °C24 August 2023	-5.7 °C9 February 2023	13.8 °C	1,019 mm	41	43
2022	37.9 °C4 August 2022	-7.1 °C14 January 2022	14.2 °C	879 mm	54	39
2021	34.1 °C14 August 2021	-6.0 °C14 February 2021	12.1 °C	1,138 mm	17	43
2020	38.6 °C31 July 2020	-4.4 °C27 December 2020	13.5 °C	841 mm	45	46
2019	39.5 °C24 July 2019	-4.1 °C17 November 2019	13.2 °C	966 mm	44	48
2018	37.5 °C5 August 2018	-9.0 °C28 February 2018	13.7 °C	949 mm	46	32
2017	38.2 °C3 August 2017	-10.0 °C20 January 2017	12.8 °C	687 mm	48	50
2016	34.4 °C26 August 2016	-5.5 °C31 December 2016	12.2 °C	950 mm	32	41
2015	38.6 °C7 July 2015	-5.0 °C2 January 2015	13.1 °C	870 mm	39	38
2014	34.6 °C9 June 2014	-4.8 °C29 December 2014	13.2 °C	1,025 mm	15	16
2013	36.2 °C27 July 2013	-6.4 °C10 December 2013	11.6 °C	1,195 mm	20	64
2012	36.7 °C21 August 2012	-12.8 °C5 February 2012	12.4 °C	1,029 mm	20	48
2011	36.0 °C22 August 2011	-6.8 °C24 January 2011	13.1 °C	767 mm	16	41
2010	35.8 °C26 August 2010	-13.5 °C11 January 2010	11.7 °C	864 mm	21	71
2009	38.2 °C19 August 2009	-11.4 °C20 December 2009	12.9 °C	774 mm	34	47
2008	31.8 °C1 July 2008	-4.5 °C27 January 2008	11.9 °C	1,049 mm	10	49
2007	31.5 °C16 July 2007	-8.2 °C19 December 2007	12.2 °C	960 mm	5	43
2006	35.7 °C21 July 2006	-6.5 °C5 February 2006	12.7 °C	747 mm	34	69
2005	36.1 °C28 July 2005	-19.2 °C30 December 2005	11.8 °C	839 mm	27	79
2004	35.6 °C2 August 2004	-7.3 °C30 January 2004	12.1 °C	849 mm	21	57
2003	39.4 °C12 August 2003	-10.9 °C13 January 2003	13.3 °C	708 mm	60	54
2002	32.6 °C21 June 2002	-6.6 °C2 January 2002	12.4 °C	1,071 mm	17	27
2001	33.4 °C25 August 2001	-11.2 °C15 December 2001	12.1 °C	1,104 mm	19	43
2000	33.5 °C25 August 2000	-8.2 °C27 January 2000	12.5 °C	1,049 mm	11	32
1999	33.3 °C4 July 1999	-5.9 °C14 February 1999	12.1 °C	1,175 mm	13	49
1998	35.3 °C11 August 1998	-7.3 °C7 February 1998	11.7 °C	810 mm	17	60
1997	33.8 °C10 August 1997	-9.6 °C14 January 1997	12.4 °C	741 mm	18	50
1996	31.3 °C1 August 1996	-9.0 °C30 December 1996	11.1 °C	1,067 mm	3	45
1995	34.8 °C21 July 1995	-9.2 °C6 January 1995	11.9 °C	1,051 mm	16	49
1994	35.3 °C9 August 1994	-5.1 °C20 January 1994	12.9 °C	1,056 mm	33	29
1993	33.5 °C21 August 1993	-9.4 °C4 January 1993	11.5 °C	1,004 mm	16	62
1992	33.6 °C7 August 1992	-7.3 °C2 February 1992	11.6 °C	1,103 mm	19	54
1991	33.8 °C26 August 1991	-10.9 °C7 February 1991	11.5 °C	838 mm	22	67
1990	33.9 °C5 August 1990	-8.0 °C18 December 1990	11.9 °C	975 mm	16	54
1989	34.7 °C21 July 1989	-6.5 °C28 November 1989	12.3 °C	569 mm	17	65
1988	32.4 °C14 August 1988	-4.6 °C17 December 1988	11.9 °C	1,058 mm	10	36
1987	33.0 °C14 August 1987	-13.3 °C12 January 1987	11.1 °C	1,106 mm	12	57
1986	34.5 °C3 August 1986	-11.9 °C10 February 1986	11.3 °C	1,043 mm	17	61
1985	33.8 °C25 July 1985	-20.9 °C7 January 1985	10.5 °C	866 mm	6	72
1984	33.6 °C11 July 1984	-6.4 °C19 February 1984	10.8 °C	979 mm	10	52
1983	38.9 °C26 July 1983	-7.1 °C6 December 1983	11.6 °C	1,062 mm	24	62
1982	32.3 °C6 July 1982	-4.2 °C31 December 1982	11.8 °C	1,080 mm	10	32
1981	33.0 °C5 August 1981	-9.6 °C20 December 1981	11.2 °C	1,166 mm	4	61
1980	31.4 °C7 August 1980	-14.4 °C9 December 1980	10.4 °C	1,044 mm	3	61
1979	33.7 °C29 July 1979	-13.6 °C16 January 1979	11.1 °C	1,009 mm	5	61
1978	31.3 °C29 July 1978	-9.1 °C14 February 1978	10.7 °C	955 mm	4	51
1977	28.8 °C24 July 1977	-9.9 °C13 January 1977	11.4 °C	1,177 mm	0	36
1976	34.3 °C16 July 1976	-11.2 °C29 January 1976	11.6 °C	823 mm	21	55
1975	32.4 °C7 August 1975	-8.2 °C22 December 1975	11.0 °C	1,180 mm	9	51
1974	34.5 °C16 August 1974	-6.3 °C1 March 1974	11.6 °C	1,014 mm	9	20
1973	32.3 °C10 August 1973	-14.8 °C3 December 1973	10.8 °C	857 mm	13	78
1972	34.0 °C12 August 1972	-10.1 °C31 January 1972	10.9 °C	962 mm	6	43
1971	34.0 °C18 August 1971	-19.6 °C4 January 1971	10.7 °C	1,001 mm	14	80
1970	33.3 °C6 August 1970	-13.0 °C17 February 1970	10.9 °C	1,168 mm	10	67
1969	31.4 °C17 July 1969	-11.4 °C12 December 1969	10.7 °C	940 mm	4	69
1968	34.3 °C10 July 1968	-18.3 °C13 January 1968	10.9 °C	1,122 mm	8	60
1967	35.0 °C18 July 1967	-14.2 °C11 January 1967	11.3 °C	908 mm	10	62
1966	32.8 °C13 August 1966	-14.9 °C18 January 1966	11.2 °C	1,060 mm	7	59
1965	32.2 °C25 June 1965	-12.2 °C4 March 1965	10.5 °C	1,185 mm	3	69
1964	36.0 °C18 July 1964	-13.1 °C30 December 1964	11.0 °C	739 mm	15	67
1963	31.3 °C24 July 1963	-21.6 °C5 February 1963	10.0 °C	1,062 mm	2	80
1962	37.2 °C14 August 1962	-14.9 °C28 December 1962	10.8 °C	709 mm	25	83
1961	33.6 °C30 August 1961	-9.1 °C20 December 1961	12.3 °C	694 mm	27	50
1960	32.6 °C19 June 1960	-11.2 °C26 December 1960	11.3 °C	1,083 mm	4	51
1959	32.5 °C10 July 1959	-12.4 °C13 January 1959	12.2 °C	820 mm	15	41
1958	33.7 °C1 August 1958	-13.4 °C24 January 1958	11.3 °C	1,060 mm	6	50
1957	32.6 °C7 August 1957	-16.5 °C20 January 1957	11.0 °C	694 mm	10	58
1956	30.3 °C9 August 1956	-15.1 °C10 February 1956	9.9 °C	884 mm	1	72
1955	35.6 °C18 July 1955	-11.4 °C9 March 1955	11.4 °C	826 mm	4	66
1954	30.6 °C6 August 1954	-11.8 °C2 February 1954	10.3 °C	1,001 mm	1	62
1953	30.2 °C12 August 1953	-18.7 °C16 January 1953	10.5 °C	728 mm	2	82
1952	36.3 °C1 July 1952	-15.4 °C29 January 1952	11.0 °C	858 mm	20	87
1951	29.7 °C31 July 1951	-9.1 °C4 January 1951	10.8 °C	1,058 mm	0	69
1950	36.5 °C4 July 1950	-14.7 °C31 December 1950	11.1 °C	840 mm	17	79
1949	33.2 °C8 August 1949	-6.5 °C3 February 1949	11.4 °C	695 mm	15	77
1948	29.5 °C28 July 1948	-17.6 °C24 February 1948	10.5 °C	1,085 mm	0	69
1947	35.3 °C4 August 1947	-12.5 °C28 January 1947	11.6 °C	791 mm	25	91
1946	33.2 °C4 August 1946	-13.1 °C31 December 1946	10.5 °C	830 mm	10	78
1945	34.3 °C22 July 1945	-22.0 °C12 January 1945	10.7 °C	701 mm	12	90
1944	35.5 °C23 August 1944	-18.3 °C20 February 1944	10.2 °C	753 mm	18	104
1943	34.2 °C18 August 1943	-10.8 °C5 January 1943	11.3 °C	642 mm	17	68
1942	32.4 °C28 August 1942	-18.1 °C3 February 1942	10.5 °C	666 mm	18	97
1941	34.5 °C25 July 1941	-20.5 °C14 January 1941	9.6 °C	804 mm	12	102
1940	30.0 °C5 August 1940	-19.2 °C27 December 1940	9.6 °C	684 mm	1	99

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and compare it with the normal: warmer, drier, more extreme?

Year

Across the whole year

Average daily high

18.4 °C

+2.4 °C

Hot days (≥ 30 °C)

46 d/yr

+29

Frost days (< 0 °C)

39 d/yr

-19

Annual rainfall

995 mm

+62 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	8.4 °C	+2.8 °C	146 mm	+71 mm
Feb	10.0 °C	+2.0 °C	36 mm	-36 mm
Mar	13.7 °C	+1.5 °C	73 mm	-2 mm
Apr	19.1 °C	+3.4 °C	118 mm	+39 mm
May	21.3 °C	+1.7 °C	74 mm	-17 mm
Jun	30.0 °C	+6.4 °C	42 mm	-30 mm
Jul	28.6 °C	+2.3 °C	36 mm	-19 mm
Aug	30.5 °C	+4.5 °C	55 mm	-14 mm
Sep	21.7 °C	-0.3 °C	150 mm	+70 mm
Oct	16.4 °C	-0.2 °C	107 mm	+21 mm
Nov	11.9 °C	+1.7 °C	118 mm	+22 mm
Dec	8.7 °C	+2.4 °C	41 mm	-42 mm

The year's extremes

Hottest day

39.9 °C

12 Aug 2025

Coldest day

-5.7 °C

15 Jan 2025

Wettest day

55.3 mm

21 Sep 2025

Windiest day

32.7 km/h

29 Mar 2025

Strongest gust

72.0 km/h

27 Jan 2025

Hottest feels-like

41.2 °C

9 Aug 2025

Coldest feels-like

-9.4 °C

15 Jan 2025

Snowiest day

1.3 cm

21 Nov 2025

Sunniest day

15.0 h

30 May 2025

What was the weather like that day?

The weather actually measured on a given date, anywhere in the covered window.

Date

Climate at a glance

What these normals say about the place, in a few sentences, and the notions needed to read them.

L'Isle-d'Abeau (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 933 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 (21.1 °C on average) and the coldest is January (2.2 °C). Rainfall peaks in November.

L'Isle-d'Abeau averages 58 frost days, 17 hot days (≥ 30 °C) and 128 rainy days per year.

L'Isle-d'Abeau has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.

The number of frost days there went from about 79 to 37 per year over the period.

The hottest day of the period reached 39.9 °C (on 12 August 2025) and the coldest -22.0 °C (on 12 January 1945).

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

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Frequently asked questions

What is the climate of L'Isle-d'Abeau?

L'Isle-d'Abeau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 933 mm of precipitation per year.

What is the hottest day ever recorded in L'Isle-d'Abeau?

The hottest day measured in L'Isle-d'Abeau between 1940 and 2025 was 12 August 2025, reaching 39.9 °C.

What is the coldest day in L'Isle-d'Abeau?

The coldest day measured in L'Isle-d'Abeau between 1940 and 2025 was 12 January 1945, at -22.0 °C.

Does it snow in L'Isle-d'Abeau?

Yes. L'Isle-d'Abeau gets on average 34.3 cm of snow per year and has around 58 frost days.

Has the climate of L'Isle-d'Abeau warmed?

Yes: L'Isle-d'Abeau warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in L'Isle-d'Abeau?

The wettest day measured in L'Isle-d'Abeau between 1940 and 2025 was 10 October 1988, with 66 mm of rain in 24 hours.

What was the windiest day in L'Isle-d'Abeau?

The windiest day measured in L'Isle-d'Abeau between 1940 and 2025 was 28 October 2012, with winds reaching 42.5 km/h.

What is the warmest month in L'Isle-d'Abeau?

The warmest month in L'Isle-d'Abeau is July (21.1 °C on average); the coldest is January (2.2 °C).

How much does it rain in L'Isle-d'Abeau?

L'Isle-d'Abeau receives on average 933 mm of precipitation per year, spread over about 128 rainy days.

Is it sunny in L'Isle-d'Abeau?

L'Isle-d'Abeau gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.

What is the biggest single-day snowfall in L'Isle-d'Abeau?

The heaviest 24-hour snowfall measured in L'Isle-d'Abeau between 1940 and 2025 was 9 December 1990, with 27.5 cm.

Are there tropical nights in L'Isle-d'Abeau?

Yes: L'Isle-d'Abeau has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in L'Isle-d'Abeau?

In L'Isle-d'Abeau, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 27 June 2019, and the lowest was -26.4 °C on 12 January 1945.

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