Rimouski Weather Records (CA007056480)

Record envelope, standing records and threshold days for Rimouski (CA007056480), Quebec, Canada, with 66 years of record.

Key Facts for Rimouski

Rimouski (CA007056480) is a weather station in Quebec, Canada at 48.45 latitude and -68.52 longitude, 36 m (118 ft) above sea level.
The station reports from 1952 to 2017, 66 years of record.
1,464 records set at Rimouski still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.
Rimouski set a daily record snowfall of 23.2 cm (9.1 in) on 28 December 1983.

About the Station

Location: Quebec, Canada, 48.45 latitude, -68.52 longitude.
Elevation: 36 m (118 ft).
Period of record: 1952 to 2017, 66 years.
Eligible elements: tmax, tmin, prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Rimouski. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Rimouski, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.2 C (54.0 F)	-32.8 C (-27.0 F)	n/a	n/a
Feb	12.0 C (53.6 F)	-30.0 C (-22.0 F)	n/a	n/a
Mar	21.1 C (70.0 F)	-23.9 C (-11.0 F)	n/a	n/a
Apr	20.0 C (68.0 F)	-17.8 C (0.0 F)	n/a	n/a
May	32.8 C (91.0 F)	-7.2 C (19.0 F)	n/a	n/a
Jun	33.0 C (91.4 F)	0.0 C (32.0 F)	n/a	n/a
Jul	36.0 C (96.8 F)	4.4 C (39.9 F)	n/a	n/a
Aug	33.9 C (93.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	24.4 C (75.9 F)	-7.8 C (18.0 F)	n/a	n/a
Nov	21.1 C (70.0 F)	-15.6 C (3.9 F)	n/a	n/a
Dec	13.3 C (55.9 F)	-30.6 C (-23.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rimouski still stand. 1972 holds the most, with 67.

Standing records at Rimouski by the year they were set
Year set	Standing records
1952	3
1953	65
1954	63
1955	35
1956	53
1957	52
1958	41
1959	49
1960	41
1961	46
1962	49
1963	62
1964	54
1965	64
1966	56
1967	51
1968	39
1969	25
1970	48
1971	34
1972	67
1973	34
1974	40
1975	44
1976	44
1977	45
1978	22
1979	64
1980	39
1981	45
1982	53
1983	37

All-Time Record Progression

1 new records

1 all-time records were set at Rimouski between 4 July 1983 and 4 July 1983. Each dot is a new record.

Wettest Day of Each Month

Aug: 72.1 mm (2.8 in)

The wettest day on record for each calendar month at Rimouski. The most was 72.1 mm (2.8 in) on 28 August 1971.

Record daily precipitation for each month at Rimouski
Month	Record daily precipitation (mm)	Date
Jan	34.0 mm (1.3 in)	22 January 1973
Feb	31.8 mm (1.3 in)	13 February 1977
Mar	50.8 mm (2.0 in)	20 March 1975
Apr	24.9 mm (1.0 in)	28 April 1973
May	34.5 mm (1.4 in)	20 May 1978
Jun	62.5 mm (2.5 in)	24 June 1961
Jul	66.8 mm (2.6 in)	9 July 1975
Aug	72.1 mm (2.8 in)	28 August 1971
Sep	55.9 mm (2.2 in)	12 September 1954
Oct	42.9 mm (1.7 in)	14 October 1976
Nov	34.2 mm (1.3 in)	4 November 1982
Dec	52.0 mm (2.0 in)	4 December 1980

Period of Record Coverage

1952 to 1983

32 years of record at Rimouski, 1952 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1952, 1962, 1972.

Days with data per year at Rimouski
Year	Days with data	Share of year	Complete
1952	31	8%	No
1953	362	99%	Yes
1954	365	100%	Yes
1955	364	100%	Yes
1956	366	100%	Yes
1957	365	100%	Yes
1958	364	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	363	99%	Yes
1962	318	87%	No
1963	361	99%	Yes
1964	363	99%	Yes
1965	362	99%	Yes
1966	363	99%	Yes
1967	363	99%	Yes
1968	365	100%	Yes
1969	352	96%	Yes
1970	363	99%	Yes
1971	356	98%	Yes
1972	267	73%	No
1973	363	99%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	356	97%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	364	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	364	100%	Yes
1983	365	100%	Yes

Latest Records

Latest records at Rimouski
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
28 December 1983	Rimouski, CA	daily snowfall	23.2 cm (9.1 in)	10.5 cm (4.1 in)	14 years	24 of 100 (Routine)
22 December 1983	Rimouski, CA	daily snowfall	34.0 cm (13.4 in)	18.8 cm (7.4 in)	16 years	38 of 100 (Notable)
20 December 1983	Rimouski, CA	daily low min	-24.5 C (-12.1 F)	1.2 C (2.2 F)	12 years	7 of 100 (Routine)
20 December 1983	Rimouski, CA	daily low max	-19.0 C (-2.2 F)	2.0 C (3.6 F)	2 years	6 of 100 (Routine)
16 December 1983	Rimouski, CA	daily high min	-1.0 C (30.2 F)	2.0 C (3.6 F)	1 year	6 of 100 (Routine)
13 December 1983	Rimouski, CA	daily snowfall (Tie)	15.2 cm (6.0 in)	tie	17 years	2 of 100 (Routine)
6 December 1983	Rimouski, CA	daily snowfall	31.4 cm (12.4 in)	16.2 cm (6.4 in)	18 years	34 of 100 (Routine)
29 November 1983	Rimouski, CA	daily snowfall	15.6 cm (6.1 in)	5.4 cm (2.1 in)	25 years	21 of 100 (Routine)
25 November 1983	Rimouski, CA	daily snowfall	9.0 cm (3.5 in)	4.0 cm (1.6 in)	2 years	11 of 100 (Routine)
16 November 1983	Rimouski, CA	daily snowfall	8.8 cm (3.5 in)	3.7 cm (1.5 in)	18 years	15 of 100 (Routine)
13 November 1983	Rimouski, CA	daily low max	-2.0 C (28.4 F)	0.3 C (0.5 F)	26 years	11 of 100 (Routine)
12 November 1983	Rimouski, CA	daily snowfall	10.4 cm (4.1 in)	0.2 cm (0.1 in)	14 years	7 of 100 (Routine)
14 October 1983	Rimouski, CA	daily high min	13.0 C (55.4 F)	5.8 C (10.4 F)	26 years	27 of 100 (Routine)
14 October 1983	Rimouski, CA	daily high max	21.0 C (69.8 F)	3.8 C (6.8 F)	28 years	18 of 100 (Routine)
13 October 1983	Rimouski, CA	daily high max	21.5 C (70.7 F)	5.4 C (9.7 F)	12 years	17 of 100 (Routine)
13 October 1983	Rimouski, CA	daily high min	12.5 C (54.5 F)	3.6 C (6.5 F)	4 years	14 of 100 (Routine)
3 October 1983	Rimouski, CA	daily high min	16.5 C (61.7 F)	5.9 C (10.6 F)	20 years	25 of 100 (Routine)
2 October 1983	Rimouski, CA	daily high max	24.0 C (75.2 F)	0.1 C (0.2 F)	20 years	9 of 100 (Routine)
21 September 1983	Rimouski, CA	daily high max	29.5 C (85.1 F)	6.2 C (11.2 F)	14 years	21 of 100 (Routine)
6 September 1983	Rimouski, CA	daily high max	26.5 C (79.7 F)	0.4 C (0.7 F)	4 years	4 of 100 (Routine)

Climate Trend

27 complete years, 1953 to 1983

One stripe for each of 27 complete years at Rimouski, 1953 to 1983. Blue stripes are years cooler than the station's own mean of 3.8 C (38.9 F); red stripes are warmer. The coolest year was 1965, at 2.6 C (36.6 F), and the warmest was 1981, at 5.0 C (41.0 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at Rimouski as warming stripes, 1953 to 1983
Year	Annual mean temperature	Difference from the station mean
1953	4.9 C	+1.08 C
1954	3.6 C	-0.26 C
1955	3.8 C	+0.01 C
1956	3.1 C	-0.76 C
1957	3.6 C	-0.23 C
1958	3.9 C	+0.06 C
1959	3.7 C	-0.10 C
1961	3.9 C	+0.12 C
1963	4.0 C	+0.18 C
1964	3.4 C	-0.43 C
1965	2.6 C	-1.25 C
1966	4.7 C	+0.86 C
1967	3.2 C	-0.59 C
1969	4.3 C	+0.46 C
1970	3.7 C	-0.12 C
1971	3.7 C	-0.15 C
1973	4.3 C	+0.50 C
1974	3.0 C	-0.79 C
1975	4.0 C	+0.17 C
1976	3.2 C	-0.64 C
1977	4.2 C	+0.36 C
1978	3.6 C	-0.26 C
1979	4.8 C	+0.96 C
1980	3.4 C	-0.46 C
1981	5.0 C	+1.21 C
1982	3.4 C	-0.43 C
1983	4.4 C	+0.55 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1952 to 1983

Yearly extremes at Rimouski: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.0 C (96.8 F)	1983	31.7 C (89.1 F)	32
Coldest night (TNn)	-32.8 C (-27.0 F)	1954	-27.5 C (-17.5 F)	32
Wettest day (Rx1day)	72.1 mm (2.8 in)	1971	39.2 mm (1.5 in)	32
Wettest five days (Rx5day)	96.3 mm (3.8 in)	1954	65.4 mm (2.6 in)	32
Longest dry spell (CDD)	27 days	1967	16 days	32

Hottest day (TXx)

The hottest day of the year at Rimouski, 1952 to 1983. The record is 36.0 C (96.8 F) in 1983, marked on the chart; the median year is 31.7 C (89.1 F).

Hottest day (TXx) at Rimouski by year
Year	Hottest day (TXx)
1952	5.6 C (42.1 F)
1953	33.3 C (91.9 F)
1954	28.9 C (84.0 F)
1955	32.8 C (91.0 F)
1956	32.2 C (90.0 F)
1957	28.9 C (84.0 F)
1958	28.3 C (82.9 F)
1959	32.8 C (91.0 F)
1960	31.7 C (89.1 F)
1961	28.3 C (82.9 F)
1962	29.4 C (84.9 F)
1963	32.8 C (91.0 F)
1964	29.4 C (84.9 F)
1965	32.8 C (91.0 F)
1966	30.6 C (87.1 F)
1967	32.2 C (90.0 F)
1968	31.7 C (89.1 F)
1969	28.9 C (84.0 F)
1970	31.7 C (89.1 F)
1971	31.7 C (89.1 F)
1972	29.4 C (84.9 F)
1973	30.0 C (86.0 F)
1974	31.7 C (89.1 F)
1975	33.9 C (93.0 F)
1976	32.8 C (91.0 F)
1977	32.2 C (90.0 F)
1978	29.4 C (84.9 F)
1979	31.7 C (89.1 F)
1980	29.5 C (85.1 F)
1981	29.5 C (85.1 F)
1982	30.5 C (86.9 F)
1983	36.0 C (96.8 F)

Coldest night (TNn)

The coldest night of the year at Rimouski, 1952 to 1983. The record is -32.8 C (-27.0 F) in 1954, marked on the chart; the median year is -27.5 C (-17.5 F).

Coldest night (TNn) at Rimouski by year
Year	Coldest night (TNn)
1952	-19.4 C (-2.9 F)
1953	-22.8 C (-9.0 F)
1954	-32.8 C (-27.0 F)
1955	-28.9 C (-20.0 F)
1956	-22.8 C (-9.0 F)
1957	-31.7 C (-25.1 F)
1958	-25.0 C (-13.0 F)
1959	-26.7 C (-16.1 F)
1960	-28.9 C (-20.0 F)
1961	-28.9 C (-20.0 F)
1962	-28.9 C (-20.0 F)
1963	-25.6 C (-14.1 F)
1964	-25.0 C (-13.0 F)
1965	-27.8 C (-18.0 F)
1966	-26.1 C (-15.0 F)
1967	-30.0 C (-22.0 F)
1968	-27.2 C (-17.0 F)
1969	-21.1 C (-6.0 F)
1970	-30.6 C (-23.1 F)
1971	-29.4 C (-20.9 F)
1972	-31.7 C (-25.1 F)
1973	-27.8 C (-18.0 F)
1974	-25.6 C (-14.1 F)
1975	-28.3 C (-18.9 F)
1976	-30.0 C (-22.0 F)
1977	-27.2 C (-17.0 F)
1978	-25.0 C (-13.0 F)
1979	-27.2 C (-17.0 F)
1980	-26.5 C (-15.7 F)
1981	-30.0 C (-22.0 F)
1982	-32.0 C (-25.6 F)
1983	-25.0 C (-13.0 F)

Wettest day (Rx1day)

The wettest day of the year at Rimouski, 1952 to 1983. The record is 72.1 mm (2.8 in) in 1971, marked on the chart; the median year is 39.2 mm (1.5 in).

Wettest day (Rx1day) at Rimouski by year
Year	Wettest day (Rx1day)
1952	12.2 mm (0.5 in)
1953	31.0 mm (1.2 in)
1954	69.6 mm (2.7 in)
1955	38.9 mm (1.5 in)
1956	25.4 mm (1.0 in)
1957	34.8 mm (1.4 in)
1958	42.7 mm (1.7 in)
1959	20.3 mm (0.8 in)
1960	45.2 mm (1.8 in)
1961	62.5 mm (2.5 in)
1962	20.3 mm (0.8 in)
1963	61.0 mm (2.4 in)
1964	52.1 mm (2.1 in)
1965	30.5 mm (1.2 in)
1966	34.5 mm (1.4 in)
1967	25.4 mm (1.0 in)
1968	30.5 mm (1.2 in)
1969	39.4 mm (1.6 in)
1970	39.6 mm (1.6 in)
1971	72.1 mm (2.8 in)
1972	42.4 mm (1.7 in)
1973	47.2 mm (1.9 in)
1974	46.7 mm (1.8 in)
1975	66.8 mm (2.6 in)
1976	42.9 mm (1.7 in)
1977	32.5 mm (1.3 in)
1978	34.5 mm (1.4 in)
1979	34.3 mm (1.4 in)
1980	52.0 mm (2.0 in)
1981	63.0 mm (2.5 in)
1982	34.2 mm (1.3 in)
1983	34.0 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rimouski, 1952 to 1983. The record is 96.3 mm (3.8 in) in 1954, marked on the chart; the median year is 65.4 mm (2.6 in).

Wettest five days (Rx5day) at Rimouski by year
Year	Wettest five days (Rx5day)
1952	20.4 mm (0.8 in)
1953	65.0 mm (2.6 in)
1954	96.3 mm (3.8 in)
1955	76.2 mm (3.0 in)
1956	28.2 mm (1.1 in)
1957	50.4 mm (2.0 in)
1958	79.2 mm (3.1 in)
1959	50.8 mm (2.0 in)
1960	66.3 mm (2.6 in)
1961	71.6 mm (2.8 in)
1962	48.2 mm (1.9 in)
1963	61.0 mm (2.4 in)
1964	87.7 mm (3.5 in)
1965	48.3 mm (1.9 in)
1966	71.1 mm (2.8 in)
1967	52.0 mm (2.0 in)
1968	45.7 mm (1.8 in)
1969	65.8 mm (2.6 in)
1970	48.0 mm (1.9 in)
1971	78.7 mm (3.1 in)
1972	83.8 mm (3.3 in)
1973	72.2 mm (2.8 in)
1974	66.3 mm (2.6 in)
1975	89.2 mm (3.5 in)
1976	64.8 mm (2.6 in)
1977	56.8 mm (2.2 in)
1978	59.9 mm (2.4 in)
1979	54.4 mm (2.1 in)
1980	81.3 mm (3.2 in)
1981	81.2 mm (3.2 in)
1982	71.6 mm (2.8 in)
1983	54.9 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rimouski, 1952 to 1983. The record is 27 days in 1967, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Rimouski by year
Year	Longest dry spell (CDD)
1952	11 days
1953	17 days
1954	20 days
1955	14 days
1956	15 days
1957	23 days
1958	16 days
1959	17 days
1960	17 days
1961	20 days
1962	18 days
1963	14 days
1964	13 days
1965	16 days
1966	8 days
1967	27 days
1968	16 days
1969	19 days
1970	18 days
1971	16 days
1972	19 days
1973	12 days
1974	13 days
1975	16 days
1976	13 days
1977	16 days
1978	12 days
1979	15 days
1980	12 days
1981	22 days
1982	15 days
1983	11 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Frost Dates and Growing Season

27 years with a frost

Across 27 years with a frost, the median last spring frost at Rimouski falls on 11 May and the median first autumn frost on 2 October, which leaves a median of 142 days between them.

Fitted over all years, the growing season changes by +2.8 days per decade at this station.

Frost dates and growing season at Rimouski
Measure	Median, all years	Earliest period	Recent period (1953 to 1983)	Recent against earliest	Fitted trend
Last spring frost	11 May	n/a	11 May	n/a	0.0 days per decade
First autumn frost	2 October	n/a	2 October	n/a	+2.9 days per decade
Growing days	142 days	n/a	142 days	n/a	+2.8 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Rimouski standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rimouski threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).