St Sebastien Weather Records (CA007027725)

Record envelope, standing records and threshold days for St Sebastien (CA007027725), Quebec, Canada, with 54 years of record.

Key Facts for St Sebastien

St Sebastien (CA007027725) is a weather station in Quebec, Canada at 45.77 latitude and -70.95 longitude, 442 m (1,450 ft) above sea level.
The station reports from 1963 to 2016, 54 years of record.
1,464 records set at St Sebastien still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Quebec, Canada, 45.77 latitude, -70.95 longitude.
Elevation: 442 m (1,450 ft).
Period of record: 1963 to 2016, 54 years.
Eligible elements: none yet.

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 St Sebastien. 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 St Sebastien, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	14.4 C (57.9 F)	-36.1 C (-33.0 F)	n/a	n/a
Feb	15.5 C (59.9 F)	-35.6 C (-32.1 F)	n/a	n/a
Mar	19.4 C (66.9 F)	-31.0 C (-23.8 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-21.0 C (-5.8 F)	n/a	n/a
May	29.4 C (84.9 F)	-8.9 C (16.0 F)	n/a	n/a
Jun	29.5 C (85.1 F)	-2.0 C (28.4 F)	n/a	n/a
Jul	32.0 C (89.6 F)	1.0 C (33.8 F)	n/a	n/a
Aug	29.4 C (84.9 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	28.3 C (82.9 F)	-7.0 C (19.4 F)	n/a	n/a
Oct	25.6 C (78.1 F)	-11.7 C (10.9 F)	n/a	n/a
Nov	21.0 C (69.8 F)	-25.0 C (-13.0 F)	n/a	n/a
Dec	14.0 C (57.2 F)	-35.0 C (-31.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at St Sebastien still stand. 1976 holds the most, with 178.

Wettest Day of Each Month

Aug: 62.7 mm (2.5 in)

The wettest day on record for each calendar month at St Sebastien. The most was 62.7 mm (2.5 in) on 10 August 1976.

Record daily precipitation for each month at St Sebastien
Month	Record daily precipitation (mm)	Date
Jan	40.1 mm (1.6 in)	27 January 1976
Feb	25.4 mm (1.0 in)	25 February 1966
Mar	32.0 mm (1.3 in)	17 March 1973
Apr	29.5 mm (1.2 in)	15 April 1971
May	34.5 mm (1.4 in)	25 May 1979
Jun	41.9 mm (1.6 in)	23 June 1966
Jul	54.6 mm (2.1 in)	12 July 1969
Aug	62.7 mm (2.5 in)	10 August 1976
Sep	49.8 mm (2.0 in)	11 September 1968
Oct	43.0 mm (1.7 in)	27 October 1981
Nov	32.0 mm (1.3 in)	25 November 1983
Dec	35.6 mm (1.4 in)	12 December 1967

Period of Record Coverage

1972 to 1983

12 years of record at St Sebastien, 1972 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1972, 1975.

Days with data per year at St Sebastien
Year	Days with data	Share of year	Complete
1972	31	8%	No
1973	353	97%	Yes
1974	346	95%	Yes
1975	316	87%	No
1976	345	94%	Yes
1977	332	91%	Yes
1978	331	91%	Yes
1979	363	99%	Yes
1980	364	99%	Yes
1981	361	99%	Yes
1982	353	97%	Yes
1983	364	100%	Yes

Latest Records

No records were set at this station in the latest data.

Extremes by Year

1963 to 1983

Yearly extremes at St Sebastien: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.0 C (89.6 F)	1983	29.4 C (84.9 F)	12
Coldest night (TNn)	-36.1 C (-33.0 F)	1974	-32.5 C (-26.5 F)	12
Wettest day (Rx1day)	62.7 mm (2.5 in)	1976	43.2 mm (1.7 in)	21
Wettest five days (Rx5day)	134.1 mm (5.3 in)	1976	69.2 mm (2.7 in)	21
Longest dry spell (CDD)	18 days	1967	12 days	21

Hottest day (TXx)

The hottest day of the year at St Sebastien, 1963 to 1983. The record is 32.0 C (89.6 F) in 1983, marked on the chart; the median year is 29.4 C (84.9 F).

Hottest day (TXx) at St Sebastien by year
Year	Hottest day (TXx)
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	10.6 C (51.1 F)
1973	29.4 C (84.9 F)
1974	29.4 C (84.9 F)
1975	29.4 C (84.9 F)
1976	29.4 C (84.9 F)
1977	31.1 C (88.0 F)
1978	30.6 C (87.1 F)
1979	30.0 C (86.0 F)
1980	29.0 C (84.2 F)
1981	29.0 C (84.2 F)
1982	29.0 C (84.2 F)
1983	32.0 C (89.6 F)

Coldest night (TNn)

The coldest night of the year at St Sebastien, 1963 to 1983. The record is -36.1 C (-33.0 F) in 1974, marked on the chart; the median year is -32.5 C (-26.5 F).

Coldest night (TNn) at St Sebastien by year
Year	Coldest night (TNn)
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	-24.4 C (-11.9 F)
1973	-35.6 C (-32.1 F)
1974	-36.1 C (-33.0 F)
1975	-31.7 C (-25.1 F)
1976	-33.3 C (-27.9 F)
1977	-30.0 C (-22.0 F)
1978	-29.4 C (-20.9 F)
1979	-31.7 C (-25.1 F)
1980	-35.0 C (-31.0 F)
1981	-35.5 C (-31.9 F)
1982	-34.5 C (-30.1 F)
1983	-31.0 C (-23.8 F)

Wettest day (Rx1day)

The wettest day of the year at St Sebastien, 1963 to 1983. The record is 62.7 mm (2.5 in) in 1976, marked on the chart; the median year is 43.2 mm (1.7 in).

Wettest day (Rx1day) at St Sebastien by year
Year	Wettest day (Rx1day)
1963	52.3 mm (2.1 in)
1964	27.9 mm (1.1 in)
1965	40.4 mm (1.6 in)
1966	47.2 mm (1.9 in)
1967	35.6 mm (1.4 in)
1968	49.8 mm (2.0 in)
1969	54.6 mm (2.1 in)
1970	40.6 mm (1.6 in)
1971	41.4 mm (1.6 in)
1972	41.1 mm (1.6 in)
1973	42.4 mm (1.7 in)
1974	53.6 mm (2.1 in)
1975	54.4 mm (2.1 in)
1976	62.7 mm (2.5 in)
1977	43.2 mm (1.7 in)
1978	41.1 mm (1.6 in)
1979	44.5 mm (1.8 in)
1980	35.0 mm (1.4 in)
1981	52.0 mm (2.0 in)
1982	53.0 mm (2.1 in)
1983	39.2 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at St Sebastien, 1963 to 1983. The record is 134.1 mm (5.3 in) in 1976, marked on the chart; the median year is 69.2 mm (2.7 in).

Wettest five days (Rx5day) at St Sebastien by year
Year	Wettest five days (Rx5day)
1963	68.9 mm (2.7 in)
1964	48.6 mm (1.9 in)
1965	62.0 mm (2.4 in)
1966	92.2 mm (3.6 in)
1967	61.0 mm (2.4 in)
1968	49.8 mm (2.0 in)
1969	83.9 mm (3.3 in)
1970	85.5 mm (3.4 in)
1971	60.2 mm (2.4 in)
1972	94.7 mm (3.7 in)
1973	76.7 mm (3.0 in)
1974	91.0 mm (3.6 in)
1975	67.9 mm (2.7 in)
1976	134.1 mm (5.3 in)
1977	68.0 mm (2.7 in)
1978	76.9 mm (3.0 in)
1979	61.6 mm (2.4 in)
1980	73.2 mm (2.9 in)
1981	96.5 mm (3.8 in)
1982	69.2 mm (2.7 in)
1983	61.8 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at St Sebastien, 1963 to 1983. The record is 18 days in 1967, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at St Sebastien by year
Year	Longest dry spell (CDD)
1963	17 days
1964	7 days
1965	13 days
1966	15 days
1967	18 days
1968	11 days
1969	12 days
1970	12 days
1971	10 days
1972	14 days
1973	16 days
1974	10 days
1975	13 days
1976	10 days
1977	12 days
1978	10 days
1979	13 days
1980	8 days
1981	9 days
1982	10 days
1983	13 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.

Download the Data

Data for St Sebastien standing records by year: CSV or JSON. Field meanings are on the data page.
Data for St Sebastien 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).