Thetford-Mines climate — normals and trends

Q: What is the climate of Thetford-Mines?

Thetford-Mines has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 1,232 mm of precipitation per year.

Q: What is the hottest day ever recorded in Thetford-Mines?

The hottest day measured in Thetford-Mines between 1940 and 2025 was 15 July 1952, reaching 31.6 °C.

Q: What is the coldest day in Thetford-Mines?

The coldest day measured in Thetford-Mines between 1940 and 2025 was 15 January 1957, at -35.6 °C.

Q: Does it snow in Thetford-Mines?

Yes. Thetford-Mines gets on average 224.1 cm of snow per year and has around 167 frost days.

Q: Has the climate of Thetford-Mines warmed?

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

Q: What is the wettest day in Thetford-Mines?

The wettest day measured in Thetford-Mines between 1940 and 2025 was 28 August 2011, with 105 mm of rain in 24 hours.

Q: What was the windiest day in Thetford-Mines?

The windiest day measured in Thetford-Mines between 1940 and 2025 was 1 November 2019, with winds reaching 46.6 km/h.

Q: What is the warmest month in Thetford-Mines?

The warmest month in Thetford-Mines is July (18.4 °C on average); the coldest is January (-11.1 °C).

Q: How much does it rain in Thetford-Mines?

Thetford-Mines receives on average 1,232 mm of precipitation per year, spread over about 162 rainy days.

Q: Is it sunny in Thetford-Mines?

Thetford-Mines gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.

Thetford-Mines (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 4.3 °C and it receives 1,232 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 (18.4 °C on average) and the coldest is January (-11.1 °C). Rainfall peaks in June.

Thetford-Mines averages 167 frost days, 0 hot days (≥ 30 °C) and 162 rainy days per year.

Thetford-Mines 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 175 to 159 per year over the period.

The hottest day of the period reached 31.6 °C (on 15 July 1952) and the coldest -35.6 °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

Thetford-MinesQuebec

coords: 46.09°, -71.31°
period: 1940–2025 · 86 yrs

DfbWarm-summer humid continentalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthFebruary

Mean daily temperature

4.3°C

Average daily high

8.4°C

Average daily low

0.2°C

Annual rainfall

1,232mm

Sunshine / day

7.9h

Mean relative humidity

76%

Average peak wind

17.5km/h

Seasonal range

29.5°C

Frost days (< 0 °C)

167 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

162 d/yr

Annual snowfall

224.1 cm

Average feels-like high

5.5 °C

Average feels-like low

-3.4 °C

Average peak gust

40.8 km/h

Tropical nights (≥ 20 °C)

1 d/yr

Solar radiation

12.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.32 · 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

31.6 °C

15 July 1952

Coldest day

-35.6 °C

15 January 1957

Wettest day

105 mm

28 August 2011

Windiest day

46.6 km/h

1 November 2019

Strongest gust

117.7 km/h

12 November 1995

Hottest feels-like

36.2 °C

2 August 1975

Coldest feels-like

-41.6 °C

4 January 1981

Snowiest day

41.6 cm

21 November 1986

Sunniest day

15.4 h

24 June 2002

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	30.6 °C24 June 2025	-24.6 °C2 February 2025	4.9 °C	1,237 mm	2	159
2024	30.0 °C19 June 2024	-22.4 °C19 January 2024	6.5 °C	1,341 mm	1	141
2023	29.4 °C6 July 2023	-32.0 °C4 February 2023	6.1 °C	1,372 mm	0	158
2022	28.3 °C26 June 2022	-30.1 °C22 January 2022	5.3 °C	1,506 mm	0	149
2021	29.3 °C7 June 2021	-24.8 °C31 January 2021	5.9 °C	1,029 mm	0	148
2020	29.9 °C11 August 2020	-26.0 °C14 February 2020	5.6 °C	1,218 mm	0	169
2019	28.7 °C4 July 2019	-25.8 °C19 January 2019	4.1 °C	1,428 mm	0	168
2018	31.0 °C2 July 2018	-27.9 °C2 January 2018	4.9 °C	1,367 mm	2	175
2017	28.3 °C11 June 2017	-27.7 °C29 December 2017	5.1 °C	1,352 mm	0	150
2016	28.4 °C20 June 2016	-29.3 °C14 February 2016	5.5 °C	1,338 mm	0	158
2015	28.2 °C7 September 2015	-30.3 °C8 January 2015	4.6 °C	1,262 mm	0	156
2014	29.5 °C1 July 2014	-31.1 °C2 January 2014	4.6 °C	1,233 mm	0	157
2013	29.6 °C15 July 2013	-29.2 °C14 December 2013	4.9 °C	1,351 mm	0	167
2012	29.4 °C5 August 2012	-25.5 °C15 January 2012	6.0 °C	1,179 mm	0	154
2011	28.2 °C11 July 2011	-30.0 °C24 January 2011	5.5 °C	1,533 mm	0	156
2010	30.6 °C7 July 2010	-24.4 °C2 February 2010	6.0 °C	1,250 mm	1	153
2009	29.8 °C18 August 2009	-30.7 °C16 January 2009	4.3 °C	1,150 mm	0	157
2008	27.4 °C8 June 2008	-25.9 °C21 January 2008	4.7 °C	1,378 mm	0	163
2007	29.0 °C2 August 2007	-26.7 °C17 January 2007	4.3 °C	1,308 mm	0	164
2006	29.7 °C18 June 2006	-23.4 °C10 February 2006	5.9 °C	1,378 mm	0	144
2005	29.6 °C19 July 2005	-29.2 °C22 January 2005	4.9 °C	1,385 mm	0	162
2004	28.2 °C22 July 2004	-33.1 °C15 January 2004	3.9 °C	1,057 mm	0	167
2003	31.1 °C26 June 2003	-30.9 °C14 February 2003	4.0 °C	1,246 mm	1	164
2002	29.6 °C2 July 2002	-24.7 °C9 December 2002	5.0 °C	1,165 mm	0	175
2001	29.3 °C15 June 2001	-23.9 °C22 February 2001	5.5 °C	973 mm	0	168
2000	27.0 °C26 June 2000	-29.5 °C19 January 2000	4.1 °C	1,223 mm	0	166
1999	28.3 °C17 July 1999	-29.5 °C14 January 1999	5.6 °C	1,243 mm	0	166
1998	28.6 °C15 July 1998	-28.5 °C1 January 1998	5.9 °C	1,272 mm	0	155
1997	27.1 °C9 August 1997	-29.1 °C19 January 1997	3.5 °C	1,227 mm	0	175
1996	28.0 °C7 August 1996	-29.8 °C4 February 1996	4.1 °C	1,388 mm	0	175
1995	29.8 °C19 June 1995	-30.8 °C11 January 1995	4.6 °C	1,189 mm	0	160
1994	29.6 °C17 June 1994	-32.2 °C27 January 1994	4.0 °C	1,223 mm	0	163
1993	30.7 °C6 July 1993	-34.0 °C7 February 1993	3.8 °C	1,289 mm	1	176
1992	27.2 °C22 May 1992	-31.0 °C17 January 1992	3.6 °C	1,076 mm	0	175
1991	29.9 °C19 July 1991	-30.3 °C8 January 1991	4.9 °C	1,066 mm	0	160
1990	29.0 °C30 July 1990	-25.8 °C26 February 1990	5.2 °C	1,438 mm	0	161
1989	29.4 °C26 July 1989	-30.5 °C7 March 1989	3.6 °C	1,112 mm	0	167
1988	30.7 °C15 June 1988	-31.4 °C14 January 1988	4.3 °C	1,094 mm	2	165
1987	29.4 °C13 July 1987	-28.4 °C14 February 1987	4.7 °C	1,026 mm	0	157
1986	28.3 °C25 July 1986	-28.2 °C15 January 1986	4.1 °C	1,308 mm	0	168
1985	26.6 °C5 July 1985	-29.4 °C19 December 1985	3.7 °C	1,098 mm	0	170
1984	28.9 °C9 June 1984	-28.6 °C27 December 1984	4.5 °C	1,201 mm	0	161
1983	30.7 °C4 July 1983	-29.8 °C20 December 1983	4.8 °C	1,463 mm	1	165
1982	30.0 °C18 July 1982	-31.3 °C18 January 1982	4.0 °C	1,110 mm	1	161
1981	27.8 °C8 July 1981	-35.5 °C4 January 1981	4.7 °C	1,321 mm	0	163
1980	26.9 °C25 June 1980	-32.6 °C25 December 1980	3.3 °C	1,202 mm	0	180
1979	28.8 °C25 July 1979	-29.7 °C14 February 1979	4.8 °C	1,195 mm	0	165
1978	29.2 °C28 May 1978	-27.6 °C5 February 1978	3.4 °C	1,150 mm	0	188
1977	30.4 °C20 July 1977	-29.3 °C12 December 1977	4.3 °C	1,232 mm	2	165
1976	28.3 °C6 July 1976	-32.3 °C24 January 1976	3.4 °C	1,555 mm	0	175
1975	31.6 °C1 August 1975	-30.5 °C20 December 1975	4.7 °C	1,255 mm	2	174
1974	27.1 °C14 July 1974	-32.4 °C18 January 1974	3.7 °C	1,411 mm	0	184
1973	28.9 °C8 July 1973	-29.7 °C31 January 1973	5.1 °C	1,446 mm	0	153
1972	28.5 °C15 July 1972	-32.3 °C23 February 1972	3.1 °C	1,260 mm	0	193
1971	28.2 °C30 June 1971	-32.9 °C3 February 1971	3.9 °C	1,091 mm	0	169
1970	28.5 °C30 July 1970	-29.3 °C22 December 1970	4.0 °C	1,025 mm	0	170
1969	27.8 °C27 June 1969	-27.4 °C25 December 1969	4.2 °C	1,259 mm	0	173
1968	29.0 °C15 July 1968	-33.2 °C9 January 1968	3.6 °C	1,037 mm	0	162
1967	28.6 °C3 June 1967	-33.5 °C13 February 1967	3.6 °C	1,089 mm	0	187
1966	28.1 °C3 July 1966	-30.0 °C20 February 1966	4.3 °C	1,091 mm	0	173
1965	27.1 °C22 September 1965	-35.1 °C15 January 1965	3.1 °C	995 mm	0	191
1964	28.5 °C18 July 1964	-25.4 °C12 January 1964	3.8 °C	979 mm	0	170
1963	30.1 °C25 July 1963	-31.3 °C4 February 1963	3.3 °C	1,153 mm	2	175
1962	27.0 °C18 May 1962	-33.2 °C2 February 1962	3.2 °C	1,237 mm	0	179
1961	27.7 °C24 July 1961	-27.7 °C1 February 1961	4.1 °C	1,147 mm	0	180
1960	27.6 °C28 May 1960	-29.9 °C10 January 1960	4.5 °C	1,087 mm	0	171
1959	29.8 °C30 July 1959	-30.0 °C9 February 1959	4.2 °C	1,284 mm	0	180
1958	26.4 °C31 August 1958	-27.0 °C21 December 1958	3.7 °C	1,230 mm	0	172
1957	28.3 °C23 June 1957	-35.6 °C15 January 1957	4.5 °C	1,162 mm	0	162
1956	29.5 °C14 June 1956	-26.5 °C30 December 1956	3.5 °C	1,228 mm	0	190
1955	31.0 °C10 July 1955	-30.8 °C2 February 1955	4.2 °C	1,113 mm	1	163
1954	28.3 °C22 June 1954	-29.6 °C18 January 1954	3.8 °C	1,525 mm	0	161
1953	29.6 °C17 July 1953	-25.4 °C2 February 1953	5.7 °C	1,035 mm	0	137
1952	31.6 °C15 July 1952	-28.1 °C30 January 1952	4.7 °C	1,178 mm	2	173
1951	27.7 °C20 June 1951	-30.9 °C31 January 1951	4.3 °C	1,359 mm	0	160
1950	27.9 °C13 July 1950	-29.5 °C3 March 1950	3.9 °C	1,230 mm	0	173
1949	28.8 °C13 June 1949	-26.2 °C21 January 1949	5.1 °C	1,202 mm	0	161
1948	29.1 °C27 August 1948	-30.5 °C10 February 1948	3.8 °C	1,071 mm	0	171
1947	29.4 °C14 August 1947	-26.8 °C1 January 1947	4.2 °C	1,272 mm	0	182
1946	30.1 °C30 June 1946	-32.4 °C20 January 1946	4.3 °C	1,209 mm	1	157
1945	27.7 °C7 September 1945	-28.2 °C7 January 1945	4.2 °C	1,502 mm	0	150
1944	30.5 °C16 August 1944	-25.2 °C30 December 1944	4.0 °C	1,012 mm	1	187
1943	27.3 °C13 July 1943	-29.5 °C15 December 1943	3.2 °C	1,234 mm	0	178
1942	27.3 °C11 June 1942	-33.3 °C20 December 1942	3.9 °C	1,195 mm	0	165
1941	28.0 °C24 July 1941	-28.9 °C21 December 1941	3.3 °C	1,193 mm	0	175
1940	26.7 °C23 July 1940	-24.3 °C18 January 1940	3.6 °C	1,380 mm	0	178

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

9.1 °C

+0.7 °C

Hot days (≥ 30 °C)

2 d/yr

Frost days (< 0 °C)

159 d/yr

-8

Annual rainfall

1237 mm

+5 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	-7.3 °C	-0.3 °C	65 mm	-12 mm
Feb	-6.7 °C	-1.3 °C	90 mm	+19 mm
Mar	2.4 °C	+2.5 °C	100 mm	+15 mm
Apr	8.4 °C	+1.4 °C	124 mm	+27 mm
May	15.4 °C	+0.1 °C	138 mm	+28 mm
Jun	21.1 °C	+1.0 °C	147 mm	+15 mm
Jul	23.8 °C	+1.3 °C	177 mm	+45 mm
Aug	22.4 °C	+1.0 °C	52 mm	-75 mm
Sep	19.3 °C	+2.2 °C	43 mm	-63 mm
Oct	12.8 °C	+2.4 °C	102 mm	-2 mm
Nov	1.5 °C	-1.5 °C	115 mm	+17 mm
Dec	-5.4 °C	-1.5 °C	85 mm	-8 mm

The year's extremes

Hottest day

30.6 °C

24 Jun 2025

Coldest day

-24.6 °C

2 Feb 2025

Wettest day

38.8 mm

28 Jun 2025

Windiest day

34.4 km/h

20 Dec 2025

Strongest gust

86.0 km/h

19 Dec 2025

Hottest feels-like

33.5 °C

24 Jun 2025

Coldest feels-like

-30.0 °C

2 Feb 2025

Snowiest day

16.9 cm

16 Feb 2025

Sunniest day

15.3 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 Thetford-Mines?

Thetford-Mines has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 4.3 °C and it receives 1,232 mm of precipitation per year.

What is the hottest day ever recorded in Thetford-Mines?

The hottest day measured in Thetford-Mines between 1940 and 2025 was 15 July 1952, reaching 31.6 °C.

What is the coldest day in Thetford-Mines?

The coldest day measured in Thetford-Mines between 1940 and 2025 was 15 January 1957, at -35.6 °C.

Does it snow in Thetford-Mines?

Yes. Thetford-Mines gets on average 224.1 cm of snow per year and has around 167 frost days.

Has the climate of Thetford-Mines warmed?

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

What is the wettest day in Thetford-Mines?

The wettest day measured in Thetford-Mines between 1940 and 2025 was 28 August 2011, with 105 mm of rain in 24 hours.

What was the windiest day in Thetford-Mines?

The windiest day measured in Thetford-Mines between 1940 and 2025 was 1 November 2019, with winds reaching 46.6 km/h.

What is the warmest month in Thetford-Mines?

The warmest month in Thetford-Mines is July (18.4 °C on average); the coldest is January (-11.1 °C).

How much does it rain in Thetford-Mines?

Thetford-Mines receives on average 1,232 mm of precipitation per year, spread over about 162 rainy days.

Is it sunny in Thetford-Mines?

Thetford-Mines 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 Thetford-Mines?

The heaviest 24-hour snowfall measured in Thetford-Mines between 1940 and 2025 was 21 November 1986, with 41.6 cm.

Are there tropical nights in Thetford-Mines?

Yes: Thetford-Mines has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Thetford-Mines?

In Thetford-Mines, between 1940 and 2025, the highest apparent temperature reached 36.2 °C on 2 August 1975, and the lowest was -41.6 °C on 4 January 1981.

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