Ile-des-Soeurs climate — normals and trends

Q: What is the climate of Ile-des-Soeurs?

Ile-des-Soeurs has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.7 °C and it receives 1,081 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ile-des-Soeurs?

The hottest day measured in Ile-des-Soeurs between 1940 and 2025 was 27 May 2020, reaching 36.2 °C.

Q: What is the coldest day in Ile-des-Soeurs?

The coldest day measured in Ile-des-Soeurs between 1940 and 2025 was 15 January 1957, at -36.3 °C.

Q: Does it snow in Ile-des-Soeurs?

Yes. Ile-des-Soeurs gets on average 149.4 cm of snow per year and has around 146 frost days.

Q: Has the climate of Ile-des-Soeurs warmed?

Yes: Ile-des-Soeurs warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ile-des-Soeurs?

The wettest day measured in Ile-des-Soeurs between 1940 and 2025 was 9 August 2024, with 106 mm of rain in 24 hours.

Q: What was the windiest day in Ile-des-Soeurs?

The windiest day measured in Ile-des-Soeurs between 1940 and 2025 was 25 February 1956, with winds reaching 57.6 km/h.

Q: What is the warmest month in Ile-des-Soeurs?

The warmest month in Ile-des-Soeurs is July (21.3 °C on average); the coldest is January (-9.6 °C).

Q: How much does it rain in Ile-des-Soeurs?

Ile-des-Soeurs receives on average 1,081 mm of precipitation per year, spread over about 138 rainy days.

Q: Is it sunny in Ile-des-Soeurs?

Ile-des-Soeurs gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

Ile-des-Soeurs (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.7 °C and it receives 1,081 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 (21.3 °C on average) and the coldest is January (-9.6 °C). Rainfall peaks in July.

Ile-des-Soeurs averages 146 frost days, 9 hot days (≥ 30 °C) and 138 rainy days per year.

Ile-des-Soeurs has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The number of frost days there went from about 155 to 137 per year over the period.

The hottest day of the period reached 36.2 °C (on 27 May 2020) and the coldest -36.3 °C (on 15 January 1957).

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

Ile-des-SoeursQuebec

coords: 45.46°, -73.55°
period: 1940–2025 · 86 yrs

DfbWarm-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

6.7°C

Average daily high

11.2°C

Average daily low

2.1°C

Annual rainfall

1,081mm

Sunshine / day

8.5h

Mean relative humidity

72%

Average peak wind

18.7km/h

Seasonal range

30.9°C

Frost days (< 0 °C)

146 d/yr

Hot days (≥ 30 °C)

9 d/yr

Rainy days (≥ 1 mm)

138 d/yr

Annual snowfall

149.4 cm

Average feels-like high

8.6 °C

Average feels-like low

-1.2 °C

Average peak gust

36.9 km/h

Tropical nights (≥ 20 °C)

9 d/yr

Solar radiation

13.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.34 · 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

36.2 °C

27 May 2020

Coldest day

-36.3 °C

15 January 1957

Wettest day

106 mm

9 August 2024

Windiest day

57.6 km/h

25 February 1956

Strongest gust

113.4 km/h

27 January 1996

Hottest feels-like

41.3 °C

1 August 1975

Coldest feels-like

-42.1 °C

15 January 1957

Snowiest day

32.8 cm

30 November 1944

Sunniest day

15.5 h

20 June 1952

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.2 °C24 June 2025	-23.6 °C2 February 2025	7.3 °C	1,058 mm	14	143
2024	33.2 °C19 June 2024	-18.9 °C19 January 2024	9.1 °C	1,240 mm	11	128
2023	33.5 °C1 June 2023	-29.7 °C4 February 2023	8.5 °C	1,422 mm	10	133
2022	32.3 °C6 August 2022	-32.0 °C22 January 2022	7.5 °C	1,226 mm	15	134
2021	33.3 °C26 August 2021	-23.5 °C31 January 2021	8.4 °C	897 mm	19	133
2020	36.2 °C27 May 2020	-25.1 °C9 February 2020	8.2 °C	1,121 mm	23	142
2019	32.5 °C20 July 2019	-24.5 °C17 January 2019	6.5 °C	1,263 mm	9	152
2018	35.1 °C2 July 2018	-29.6 °C15 January 2018	7.3 °C	1,151 mm	17	155
2017	31.5 °C18 June 2017	-26.5 °C28 December 2017	7.5 °C	1,378 mm	7	130
2016	32.3 °C26 June 2016	-27.2 °C14 February 2016	7.9 °C	1,166 mm	10	141
2015	32.4 °C7 September 2015	-28.9 °C8 January 2015	7.2 °C	967 mm	9	130
2014	32.8 °C1 July 2014	-28.5 °C2 January 2014	6.9 °C	1,025 mm	7	139
2013	33.2 °C15 July 2013	-30.2 °C17 December 2013	7.2 °C	977 mm	7	146
2012	34.3 °C4 August 2012	-25.0 °C16 January 2012	8.3 °C	979 mm	17	134
2011	34.3 °C21 July 2011	-30.1 °C24 January 2011	7.9 °C	1,320 mm	12	134
2010	34.2 °C7 July 2010	-20.5 °C10 December 2010	8.4 °C	1,159 mm	12	126
2009	31.9 °C17 August 2009	-31.0 °C16 January 2009	6.6 °C	1,071 mm	5	140
2008	31.6 °C8 July 2008	-24.8 °C29 February 2008	7.0 °C	1,213 mm	4	145
2007	32.4 °C2 August 2007	-25.5 °C7 March 2007	6.8 °C	1,062 mm	9	142
2006	34.1 °C1 August 2006	-19.4 °C25 February 2006	8.2 °C	1,272 mm	6	125
2005	32.8 °C11 July 2005	-28.6 °C21 January 2005	7.4 °C	1,174 mm	17	139
2004	31.1 °C22 July 2004	-31.5 °C15 January 2004	6.3 °C	940 mm	1	148
2003	33.7 °C26 June 2003	-30.2 °C15 February 2003	6.3 °C	1,119 mm	8	150
2002	33.9 °C14 August 2002	-22.2 °C9 December 2002	7.6 °C	995 mm	15	154
2001	36.0 °C9 August 2001	-23.5 °C21 January 2001	8.0 °C	870 mm	20	147
2000	29.9 °C26 June 2000	-29.0 °C18 January 2000	6.4 °C	1,167 mm	0	130
1999	32.5 °C31 May 1999	-30.1 °C14 January 1999	8.2 °C	1,004 mm	23	132
1998	31.4 °C15 July 1998	-28.7 °C1 January 1998	8.4 °C	1,061 mm	7	122
1997	31.6 °C10 June 1997	-30.7 °C30 January 1997	6.0 °C	1,078 mm	6	157
1996	31.0 °C7 August 1996	-27.6 °C7 January 1996	6.7 °C	1,219 mm	2	141
1995	34.2 °C14 July 1995	-28.9 °C11 January 1995	6.9 °C	1,127 mm	12	148
1994	33.5 °C18 June 1994	-35.6 °C27 January 1994	6.2 °C	1,104 mm	4	138
1993	34.2 °C6 July 1993	-33.3 °C7 February 1993	6.0 °C	1,164 mm	8	147
1992	30.9 °C25 August 1992	-28.8 °C16 January 1992	5.9 °C	1,014 mm	3	147
1991	34.6 °C20 July 1991	-26.7 °C22 January 1991	7.5 °C	950 mm	14	135
1990	31.2 °C29 July 1990	-25.7 °C26 February 1990	7.7 °C	1,276 mm	9	146
1989	33.2 °C23 June 1989	-32.2 °C30 December 1989	6.0 °C	953 mm	13	155
1988	35.1 °C3 August 1988	-28.9 °C14 January 1988	7.3 °C	849 mm	26	137
1987	34.1 °C17 August 1987	-29.3 °C27 January 1987	7.1 °C	984 mm	12	140
1986	32.3 °C25 July 1986	-26.4 °C7 February 1986	6.6 °C	1,186 mm	2	145
1985	33.3 °C25 July 1985	-29.6 °C19 December 1985	6.5 °C	907 mm	7	149
1984	32.2 °C8 June 1984	-29.4 °C27 December 1984	6.9 °C	995 mm	7	146
1983	33.7 °C15 June 1983	-28.9 °C21 December 1983	7.3 °C	1,299 mm	21	134
1982	34.0 °C17 July 1982	-32.9 °C18 January 1982	6.5 °C	991 mm	8	141
1981	33.5 °C8 July 1981	-34.0 °C4 January 1981	7.1 °C	1,114 mm	5	140
1980	32.6 °C25 June 1980	-31.1 °C25 December 1980	5.9 °C	1,043 mm	3	156
1979	33.1 °C25 July 1979	-30.1 °C12 February 1979	7.1 °C	974 mm	10	134
1978	33.8 °C28 May 1978	-30.0 °C4 February 1978	5.8 °C	1,016 mm	12	161
1977	35.7 °C20 July 1977	-26.9 °C12 December 1977	7.0 °C	1,108 mm	14	145
1976	32.0 °C6 July 1976	-32.7 °C24 January 1976	5.6 °C	1,333 mm	7	162
1975	35.9 °C1 August 1975	-31.1 °C20 December 1975	7.0 °C	1,174 mm	20	159
1974	29.6 °C10 June 1974	-29.9 °C18 January 1974	5.9 °C	1,263 mm	0	165
1973	32.5 °C8 July 1973	-28.4 °C9 January 1973	7.5 °C	1,273 mm	11	131
1972	32.7 °C12 July 1972	-31.4 °C23 February 1972	5.3 °C	1,229 mm	6	174
1971	33.2 °C30 June 1971	-31.9 °C3 February 1971	6.1 °C	1,034 mm	4	158
1970	31.8 °C30 July 1970	-30.4 °C20 January 1970	6.0 °C	940 mm	11	155
1969	32.7 °C27 June 1969	-27.5 °C25 December 1969	6.4 °C	1,055 mm	7	163
1968	33.3 °C18 July 1968	-32.5 °C9 January 1968	5.9 °C	947 mm	6	147
1967	31.7 °C4 June 1967	-34.2 °C13 February 1967	5.9 °C	1,006 mm	3	169
1966	34.0 °C3 July 1966	-28.2 °C20 February 1966	6.6 °C	894 mm	8	155
1965	32.1 °C28 June 1965	-31.9 °C15 January 1965	5.9 °C	884 mm	6	165
1964	32.5 °C28 July 1964	-26.2 °C10 February 1964	6.5 °C	859 mm	6	156
1963	34.7 °C25 July 1963	-30.4 °C4 February 1963	5.5 °C	1,021 mm	14	153
1962	31.6 °C8 July 1962	-33.3 °C2 February 1962	5.6 °C	1,069 mm	3	167
1961	29.9 °C11 September 1961	-27.3 °C22 January 1961	6.4 °C	1,090 mm	0	160
1960	32.6 °C29 August 1960	-28.8 °C10 January 1960	6.7 °C	950 mm	6	149
1959	32.8 °C29 June 1959	-28.2 °C9 February 1959	6.6 °C	1,118 mm	14	157
1958	30.2 °C31 August 1958	-27.6 °C11 February 1958	5.9 °C	1,090 mm	1	142
1957	32.2 °C23 June 1957	-36.3 °C15 January 1957	7.0 °C	1,077 mm	8	140
1956	32.2 °C14 June 1956	-27.0 °C2 January 1956	5.8 °C	936 mm	5	165
1955	34.5 °C9 July 1955	-30.7 °C2 February 1955	6.7 °C	854 mm	27	148
1954	30.3 °C25 August 1954	-30.4 °C13 February 1954	6.0 °C	1,387 mm	2	149
1953	34.5 °C17 July 1953	-23.0 °C2 February 1953	8.0 °C	940 mm	9	117
1952	32.7 °C23 July 1952	-28.3 °C30 January 1952	7.0 °C	1,128 mm	9	150
1951	29.7 °C8 July 1951	-32.0 °C10 February 1951	6.4 °C	1,158 mm	0	145
1950	32.3 °C10 July 1950	-29.9 °C4 March 1950	6.0 °C	1,089 mm	3	160
1949	33.3 °C13 June 1949	-25.4 °C6 February 1949	7.5 °C	970 mm	19	143
1948	33.4 °C27 August 1948	-31.2 °C19 January 1948	6.5 °C	910 mm	8	143
1947	33.0 °C14 August 1947	-26.2 °C1 January 1947	6.5 °C	1,164 mm	10	164
1946	33.7 °C30 June 1946	-31.3 °C20 January 1946	6.9 °C	1,101 mm	9	137
1945	30.4 °C30 June 1945	-26.2 °C7 January 1945	6.5 °C	1,346 mm	3	133
1944	33.2 °C11 August 1944	-24.6 °C9 February 1944	6.2 °C	898 mm	12	166
1943	30.5 °C11 July 1943	-27.4 °C22 January 1943	5.6 °C	1,033 mm	1	157
1942	31.4 °C22 August 1942	-31.0 °C8 January 1942	6.1 °C	1,038 mm	4	148
1941	31.9 °C1 July 1941	-27.9 °C21 December 1941	5.6 °C	970 mm	4	159
1940	29.4 °C23 July 1940	-26.3 °C9 January 1940	5.7 °C	1,118 mm	0	160

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

12.0 °C

+0.8 °C

Hot days (≥ 30 °C)

14 d/yr

Frost days (< 0 °C)

143 d/yr

-3

Annual rainfall

1058 mm

-23 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-5.2 °C	+0.3 °C	46 mm	-23 mm
Feb	-4.8 °C	-1.0 °C	82 mm	+16 mm
Mar	5.0 °C	+2.6 °C	90 mm	+15 mm
Apr	12.0 °C	+1.1 °C	102 mm	+7 mm
May	18.7 °C	-0.1 °C	112 mm	+18 mm
Jun	25.2 °C	+1.5 °C	91 mm	-12 mm
Jul	27.4 °C	+1.3 °C	86 mm	-16 mm
Aug	26.0 °C	+1.2 °C	62 mm	-39 mm
Sep	22.3 °C	+2.1 °C	54 mm	-45 mm
Oct	15.8 °C	+2.5 °C	145 mm	+46 mm
Nov	3.6 °C	-1.9 °C	112 mm	+19 mm
Dec	-3.5 °C	-1.2 °C	76 mm	-9 mm

The year's extremes

Hottest day

35.2 °C

24 Jun 2025

Coldest day

-23.6 °C

2 Feb 2025

Wettest day

41.7 mm

31 Oct 2025

Windiest day

43.1 km/h

19 Dec 2025

Strongest gust

99.0 km/h

19 Dec 2025

Hottest feels-like

38.5 °C

24 Jun 2025

Coldest feels-like

-28.6 °C

2 Feb 2025

Snowiest day

18.2 cm

16 Feb 2025

Sunniest day

15.4 h

14 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 Ile-des-Soeurs?

Ile-des-Soeurs has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.7 °C and it receives 1,081 mm of precipitation per year.

What is the hottest day ever recorded in Ile-des-Soeurs?

The hottest day measured in Ile-des-Soeurs between 1940 and 2025 was 27 May 2020, reaching 36.2 °C.

What is the coldest day in Ile-des-Soeurs?

The coldest day measured in Ile-des-Soeurs between 1940 and 2025 was 15 January 1957, at -36.3 °C.

Does it snow in Ile-des-Soeurs?

Yes. Ile-des-Soeurs gets on average 149.4 cm of snow per year and has around 146 frost days.

Has the climate of Ile-des-Soeurs warmed?

Yes: Ile-des-Soeurs warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ile-des-Soeurs?

The wettest day measured in Ile-des-Soeurs between 1940 and 2025 was 9 August 2024, with 106 mm of rain in 24 hours.

What was the windiest day in Ile-des-Soeurs?

The windiest day measured in Ile-des-Soeurs between 1940 and 2025 was 25 February 1956, with winds reaching 57.6 km/h.

What is the warmest month in Ile-des-Soeurs?

The warmest month in Ile-des-Soeurs is July (21.3 °C on average); the coldest is January (-9.6 °C).

How much does it rain in Ile-des-Soeurs?

Ile-des-Soeurs receives on average 1,081 mm of precipitation per year, spread over about 138 rainy days.

Is it sunny in Ile-des-Soeurs?

Ile-des-Soeurs gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.

What is the biggest single-day snowfall in Ile-des-Soeurs?

The heaviest 24-hour snowfall measured in Ile-des-Soeurs between 1940 and 2025 was 30 November 1944, with 32.8 cm.

Are there tropical nights in Ile-des-Soeurs?

Yes: Ile-des-Soeurs has on average 9 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ile-des-Soeurs?

In Ile-des-Soeurs, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 1 August 1975, and the lowest was -42.1 °C on 15 January 1957.

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