Saint-Lazare climate — normals and trends

Q: What is the climate of Saint-Lazare?

Saint-Lazare has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.3 °C and it receives 1,063 mm of precipitation per year.

Q: What is the hottest day ever recorded in Saint-Lazare?

The hottest day measured in Saint-Lazare between 1940 and 2025 was 1 August 1975, reaching 36.1 °C.

Q: What is the coldest day in Saint-Lazare?

The coldest day measured in Saint-Lazare between 1940 and 2025 was 15 January 1957, at -37.9 °C.

Q: Does it snow in Saint-Lazare?

Yes. Saint-Lazare gets on average 158.4 cm of snow per year and has around 152 frost days.

Q: Has the climate of Saint-Lazare warmed?

Yes: Saint-Lazare warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Saint-Lazare?

The wettest day measured in Saint-Lazare between 1940 and 2025 was 9 August 2024, with 87 mm of rain in 24 hours.

Q: What was the windiest day in Saint-Lazare?

The windiest day measured in Saint-Lazare between 1940 and 2025 was 25 February 1956, with winds reaching 47.8 km/h.

Q: What is the warmest month in Saint-Lazare?

The warmest month in Saint-Lazare is July (20.8 °C on average); the coldest is January (-10.0 °C).

Q: How much does it rain in Saint-Lazare?

Saint-Lazare receives on average 1,063 mm of precipitation per year, spread over about 137 rainy days.

Q: Is it sunny in Saint-Lazare?

Saint-Lazare gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.

Saint-Lazare (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.3 °C and it receives 1,063 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 (20.8 °C on average) and the coldest is January (-10.0 °C). Rainfall peaks in July.

Saint-Lazare averages 152 frost days, 9 hot days (≥ 30 °C) and 137 rainy days per year.

Saint-Lazare has warmed by +1.5 °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 160 to 144 per year over the period.

The hottest day of the period reached 36.1 °C (on 1 August 1975) and the coldest -37.9 °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

Saint-LazareQuebec

coords: 45.40°, -74.13°
period: 1940–2025 · 86 yrs

DfbWarm-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthFebruary

Mean daily temperature

6.3°C

Average daily high

10.9°C

Average daily low

1.5°C

Annual rainfall

1,063mm

Sunshine / day

8.4h

Mean relative humidity

72%

Average peak wind

17.1km/h

Seasonal range

30.8°C

Frost days (< 0 °C)

152 d/yr

Hot days (≥ 30 °C)

9 d/yr

Rainy days (≥ 1 mm)

137 d/yr

Annual snowfall

158.4 cm

Average feels-like high

8.5 °C

Average feels-like low

-1.8 °C

Average peak gust

37.1 km/h

Tropical nights (≥ 20 °C)

6 d/yr

Solar radiation

13.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.5 °C

since 1940

+0.2 °C per decade · r² = 0.28 · 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

36.1 °C

1 August 1975

Coldest day

-37.9 °C

15 January 1957

Wettest day

87 mm

9 August 2024

Windiest day

47.8 km/h

25 February 1956

Strongest gust

104.8 km/h

21 October 1995

Hottest feels-like

40.8 °C

1 August 1975

Coldest feels-like

-43.4 °C

15 January 1957

Snowiest day

33.2 cm

3 April 1975

Sunniest day

15.5 h

20 June 1952

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.1 °C23 June 2025	-26.9 °C2 February 2025	6.9 °C	1,047 mm	17	150
2024	33.0 °C18 June 2024	-21.3 °C22 December 2024	8.6 °C	1,195 mm	10	132
2023	34.3 °C1 June 2023	-31.0 °C4 February 2023	8.0 °C	1,330 mm	9	139
2022	31.3 °C6 August 2022	-31.7 °C21 January 2022	7.0 °C	1,237 mm	8	142
2021	32.7 °C7 June 2021	-23.5 °C31 January 2021	8.0 °C	973 mm	18	139
2020	35.5 °C27 May 2020	-25.1 °C9 February 2020	7.6 °C	1,138 mm	22	153
2019	32.9 °C4 July 2019	-25.5 °C22 January 2019	5.9 °C	1,266 mm	9	157
2018	34.7 °C2 July 2018	-29.9 °C14 January 2018	6.8 °C	1,168 mm	14	159
2017	31.9 °C18 June 2017	-27.6 °C28 December 2017	7.1 °C	1,434 mm	8	136
2016	32.9 °C10 August 2016	-30.5 °C14 February 2016	7.5 °C	1,135 mm	13	148
2015	32.4 °C7 September 2015	-30.0 °C8 January 2015	6.7 °C	994 mm	9	143
2014	31.6 °C1 July 2014	-30.9 °C12 February 2014	6.4 °C	1,065 mm	3	150
2013	33.2 °C17 July 2013	-31.9 °C14 December 2013	6.6 °C	1,031 mm	6	155
2012	33.2 °C14 July 2012	-26.1 °C15 January 2012	7.8 °C	988 mm	12	144
2011	34.8 °C21 July 2011	-29.3 °C24 January 2011	7.4 °C	1,215 mm	7	146
2010	33.7 °C6 July 2010	-22.3 °C30 January 2010	8.0 °C	1,089 mm	12	131
2009	31.9 °C17 August 2009	-32.7 °C16 January 2009	6.1 °C	1,018 mm	4	145
2008	31.1 °C7 June 2008	-26.8 °C29 February 2008	6.4 °C	1,252 mm	4	153
2007	32.2 °C2 August 2007	-29.0 °C30 January 2007	6.4 °C	1,028 mm	9	144
2006	34.1 °C1 August 2006	-23.3 °C10 February 2006	7.6 °C	1,234 mm	7	137
2005	33.0 °C11 July 2005	-30.7 °C22 January 2005	6.9 °C	1,133 mm	19	146
2004	30.0 °C22 July 2004	-37.0 °C15 January 2004	5.8 °C	907 mm	1	153
2003	33.5 °C23 June 2003	-31.3 °C16 February 2003	5.9 °C	1,163 mm	6	150
2002	33.9 °C2 July 2002	-23.3 °C9 December 2002	7.0 °C	1,028 mm	16	161
2001	35.9 °C9 August 2001	-24.3 °C22 February 2001	7.6 °C	861 mm	18	153
2000	30.3 °C26 June 2000	-29.1 °C18 January 2000	5.9 °C	1,110 mm	1	141
1999	32.6 °C31 May 1999	-29.0 °C14 January 1999	7.7 °C	1,003 mm	21	136
1998	31.3 °C15 July 1998	-29.9 °C1 January 1998	8.1 °C	1,030 mm	8	124
1997	32.1 °C10 June 1997	-30.6 °C18 January 1997	5.5 °C	1,103 mm	5	160
1996	30.9 °C7 August 1996	-30.4 °C7 January 1996	6.2 °C	1,188 mm	2	148
1995	34.1 °C19 June 1995	-27.7 °C11 January 1995	6.4 °C	1,105 mm	12	152
1994	33.9 °C18 June 1994	-33.9 °C27 January 1994	5.8 °C	1,017 mm	4	145
1993	32.6 °C6 July 1993	-34.5 °C7 February 1993	5.6 °C	1,198 mm	9	148
1992	30.5 °C25 August 1992	-31.4 °C17 January 1992	5.4 °C	1,051 mm	1	156
1991	34.2 °C20 July 1991	-28.9 °C17 December 1991	7.0 °C	957 mm	14	148
1990	31.2 °C29 July 1990	-28.5 °C26 February 1990	7.2 °C	1,209 mm	4	146
1989	33.2 °C23 June 1989	-29.0 °C13 December 1989	5.4 °C	911 mm	12	158
1988	35.7 °C9 July 1988	-30.5 °C14 January 1988	6.6 °C	921 mm	22	144
1987	33.7 °C17 August 1987	-29.1 °C26 January 1987	6.8 °C	942 mm	13	152
1986	31.6 °C25 July 1986	-28.5 °C14 January 1986	6.1 °C	1,141 mm	1	149
1985	32.0 °C25 July 1985	-31.4 °C19 December 1985	5.9 °C	894 mm	6	152
1984	31.3 °C8 June 1984	-31.2 °C27 December 1984	6.4 °C	982 mm	6	148
1983	33.5 °C15 June 1983	-31.8 °C20 December 1983	6.8 °C	1,175 mm	21	144
1982	33.5 °C18 July 1982	-31.7 °C18 January 1982	6.0 °C	942 mm	9	148
1981	33.5 °C8 July 1981	-35.2 °C4 January 1981	6.6 °C	1,130 mm	5	150
1980	32.6 °C25 June 1980	-32.4 °C25 December 1980	5.3 °C	1,036 mm	3	164
1979	33.2 °C25 July 1979	-30.7 °C18 February 1979	6.6 °C	977 mm	10	150
1978	33.6 °C28 May 1978	-29.8 °C5 February 1978	5.4 °C	992 mm	15	168
1977	36.0 °C20 July 1977	-27.0 °C12 December 1977	6.5 °C	1,150 mm	14	149
1976	31.7 °C6 July 1976	-33.8 °C24 January 1976	5.2 °C	1,214 mm	7	164
1975	36.1 °C1 August 1975	-28.5 °C20 December 1975	6.6 °C	1,142 mm	21	159
1974	30.8 °C10 June 1974	-30.2 °C18 January 1974	5.5 °C	1,268 mm	1	177
1973	32.5 °C8 July 1973	-28.9 °C8 January 1973	7.1 °C	1,175 mm	10	138
1972	32.5 °C12 July 1972	-29.4 °C23 February 1972	5.0 °C	1,174 mm	5	178
1971	32.6 °C30 June 1971	-32.6 °C3 February 1971	5.8 °C	956 mm	5	160
1970	31.2 °C29 July 1970	-29.8 °C19 January 1970	5.6 °C	952 mm	9	158
1969	32.1 °C27 June 1969	-28.7 °C25 December 1969	6.0 °C	1,043 mm	6	160
1968	32.5 °C18 July 1968	-33.4 °C9 January 1968	5.6 °C	861 mm	6	154
1967	31.4 °C4 June 1967	-35.1 °C13 February 1967	5.5 °C	1,026 mm	3	167
1966	35.0 °C3 July 1966	-29.5 °C19 February 1966	6.2 °C	866 mm	8	161
1965	31.5 °C28 June 1965	-33.2 °C15 January 1965	5.5 °C	921 mm	7	166
1964	32.7 °C28 July 1964	-28.5 °C10 February 1964	6.2 °C	824 mm	6	157
1963	34.1 °C25 July 1963	-29.6 °C4 February 1963	5.2 °C	1,015 mm	13	158
1962	32.1 °C18 May 1962	-31.4 °C1 February 1962	5.3 °C	1,049 mm	5	169
1961	29.7 °C11 September 1961	-27.4 °C22 January 1961	6.1 °C	1,016 mm	0	159
1960	31.9 °C29 August 1960	-26.4 °C10 January 1960	6.4 °C	874 mm	7	150
1959	33.1 °C29 June 1959	-29.3 °C9 February 1959	6.2 °C	1,077 mm	14	163
1958	30.1 °C31 August 1958	-26.7 °C11 December 1958	5.5 °C	1,048 mm	1	149
1957	31.9 °C18 June 1957	-37.9 °C15 January 1957	6.6 °C	1,063 mm	7	146
1956	32.2 °C14 June 1956	-26.5 °C1 January 1956	5.4 °C	912 mm	3	168
1955	35.2 °C4 August 1955	-31.5 °C22 December 1955	6.5 °C	862 mm	30	149
1954	29.7 °C25 August 1954	-31.4 °C13 February 1954	5.6 °C	1,370 mm	0	156
1953	34.2 °C21 June 1953	-24.4 °C2 February 1953	7.6 °C	902 mm	12	121
1952	31.7 °C14 July 1952	-29.4 °C30 January 1952	6.7 °C	1,168 mm	8	154
1951	30.4 °C13 September 1951	-30.7 °C10 February 1951	6.0 °C	1,150 mm	1	152
1950	31.6 °C13 July 1950	-30.6 °C4 March 1950	5.5 °C	1,094 mm	3	161
1949	32.7 °C27 July 1949	-24.5 °C15 January 1949	7.2 °C	1,015 mm	20	145
1948	34.1 °C26 August 1948	-31.4 °C5 February 1948	6.3 °C	878 mm	10	143
1947	32.5 °C14 August 1947	-27.4 °C1 January 1947	6.1 °C	1,098 mm	9	173
1946	33.5 °C30 June 1946	-31.8 °C20 January 1946	6.5 °C	1,038 mm	8	145
1945	30.7 °C7 September 1945	-25.3 °C7 January 1945	6.1 °C	1,283 mm	2	139
1944	33.4 °C11 August 1944	-24.4 °C9 February 1944	5.9 °C	905 mm	14	169
1943	30.7 °C11 July 1943	-28.3 °C24 December 1943	5.2 °C	954 mm	1	171
1942	31.5 °C22 August 1942	-32.1 °C8 January 1942	5.8 °C	1,055 mm	2	155
1941	31.6 °C1 July 1941	-28.4 °C21 December 1941	5.3 °C	925 mm	5	160
1940	29.2 °C23 July 1940	-26.1 °C9 January 1940	5.4 °C	1,119 mm	0	168

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

11.8 °C

+0.9 °C

Hot days (≥ 30 °C)

17 d/yr

Frost days (< 0 °C)

150 d/yr

-2

Annual rainfall

1047 mm

-16 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-5.3 °C	+0.4 °C	45 mm	-26 mm
Feb	-5.0 °C	-1.2 °C	84 mm	+17 mm
Mar	4.7 °C	+2.5 °C	99 mm	+22 mm
Apr	11.5 °C	+0.8 °C	114 mm	+18 mm
May	18.7 °C	+0.1 °C	105 mm	+11 mm
Jun	25.1 °C	+1.7 °C	78 mm	-20 mm
Jul	27.3 °C	+1.5 °C	103 mm	+5 mm
Aug	26.2 °C	+1.7 °C	49 mm	-47 mm
Sep	22.4 °C	+2.4 °C	50 mm	-46 mm
Oct	15.8 °C	+2.8 °C	146 mm	+52 mm
Nov	3.1 °C	-2.0 °C	98 mm	+7 mm
Dec	-4.1 °C	-1.5 °C	76 mm	-11 mm

The year's extremes

Hottest day

35.1 °C

23 Jun 2025

Coldest day

-26.9 °C

2 Feb 2025

Wettest day

42.7 mm

31 Oct 2025

Windiest day

38.7 km/h

27 Jan 2025

Strongest gust

76.7 km/h

19 Dec 2025

Hottest feels-like

38.2 °C

23 Jun 2025

Coldest feels-like

-31.4 °C

2 Feb 2025

Snowiest day

17.2 cm

16 Feb 2025

Sunniest day

15.4 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 Saint-Lazare?

Saint-Lazare has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.3 °C and it receives 1,063 mm of precipitation per year.

What is the hottest day ever recorded in Saint-Lazare?

The hottest day measured in Saint-Lazare between 1940 and 2025 was 1 August 1975, reaching 36.1 °C.

What is the coldest day in Saint-Lazare?

The coldest day measured in Saint-Lazare between 1940 and 2025 was 15 January 1957, at -37.9 °C.

Does it snow in Saint-Lazare?

Yes. Saint-Lazare gets on average 158.4 cm of snow per year and has around 152 frost days.

Has the climate of Saint-Lazare warmed?

Yes: Saint-Lazare warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Saint-Lazare?

The wettest day measured in Saint-Lazare between 1940 and 2025 was 9 August 2024, with 87 mm of rain in 24 hours.

What was the windiest day in Saint-Lazare?

The windiest day measured in Saint-Lazare between 1940 and 2025 was 25 February 1956, with winds reaching 47.8 km/h.

What is the warmest month in Saint-Lazare?

The warmest month in Saint-Lazare is July (20.8 °C on average); the coldest is January (-10.0 °C).

How much does it rain in Saint-Lazare?

Saint-Lazare receives on average 1,063 mm of precipitation per year, spread over about 137 rainy days.

Is it sunny in Saint-Lazare?

Saint-Lazare gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.

What is the biggest single-day snowfall in Saint-Lazare?

The heaviest 24-hour snowfall measured in Saint-Lazare between 1940 and 2025 was 3 April 1975, with 33.2 cm.

Are there tropical nights in Saint-Lazare?

Yes: Saint-Lazare has on average 6 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Saint-Lazare?

In Saint-Lazare, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 1 August 1975, and the lowest was -43.4 °C on 15 January 1957.

Compare Saint-Lazare with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Saint-Lazare

Other cities — Canada

All cities in Canada →