St Hippolyte Weather Records (CA007037310)

Record envelope, standing records and threshold days for St Hippolyte (CA007037310), Quebec, Canada, with 64 years of record.

Key Facts for St Hippolyte

St Hippolyte (CA007037310) is a weather station in Quebec, Canada at 45.98 latitude and -74.00 longitude, 366 m (1,201 ft) above sea level.
The station reports from 1961 to 2024, 64 years of record.
1,464 records set at St Hippolyte 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, 45.98 latitude, -74.00 longitude.
Elevation: 366 m (1,201 ft).
Period of record: 1961 to 2024, 64 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 Hippolyte. 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 Hippolyte, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-40.0 C (-40.0 F)	n/a	n/a
Feb	8.3 C (46.9 F)	-41.7 C (-43.1 F)	n/a	n/a
Mar	18.3 C (64.9 F)	-33.3 C (-27.9 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-22.2 C (-8.0 F)	n/a	n/a
May	33.3 C (91.9 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-0.6 C (30.9 F)	n/a	n/a
Jul	33.3 C (91.9 F)	3.9 C (39.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	1.1 C (34.0 F)	n/a	n/a
Sep	30.5 C (86.9 F)	-5.0 C (23.0 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-8.9 C (16.0 F)	n/a	n/a
Nov	16.7 C (62.1 F)	-25.6 C (-14.1 F)	n/a	n/a
Dec	12.0 C (53.6 F)	-36.1 C (-33.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at St Hippolyte still stand. 1979 holds the most, with 88.

Standing records at St Hippolyte by the year they were set
Year set	Standing records
1961	24
1962	42
1963	17
1964	87
1965	78
1966	61
1967	73
1968	86
1969	57
1970	71
1971	54
1972	62
1973	77
1974	66
1975	53
1976	86
1977	63
1978	50
1979	88
1980	40
1981	74
1982	76
1983	79

Wettest Day of Each Month

Jul: 101.1 mm (4.0 in)

The wettest day on record for each calendar month at St Hippolyte. The most was 101.1 mm (4.0 in) on 1 July 1979.

Record daily precipitation for each month at St Hippolyte
Month	Record daily precipitation (mm)	Date
Jan	48.8 mm (1.9 in)	8 January 1978
Feb	50.8 mm (2.0 in)	3 February 1972
Mar	51.6 mm (2.0 in)	17 March 1973
Apr	52.6 mm (2.1 in)	9 April 1980
May	35.3 mm (1.4 in)	18 May 1963
Jun	67.1 mm (2.6 in)	21 June 1972
Jul	101.1 mm (4.0 in)	1 July 1979
Aug	55.1 mm (2.2 in)	25 August 1982
Sep	66.0 mm (2.6 in)	29 September 1972
Oct	81.8 mm (3.2 in)	5 October 1979
Nov	59.2 mm (2.3 in)	7 November 1963
Dec	38.1 mm (1.5 in)	10 December 1971

Period of Record Coverage

1961 to 1983

23 years of record at St Hippolyte, 1961 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1961, 1962, 1963.

Days with data per year at St Hippolyte
Year	Days with data	Share of year	Complete
1961	177	48%	No
1962	242	66%	No
1963	92	25%	No
1964	357	98%	Yes
1965	358	98%	Yes
1966	362	99%	Yes
1967	365	100%	Yes
1968	362	99%	Yes
1969	364	100%	Yes
1970	361	99%	Yes
1971	362	99%	Yes
1972	361	99%	Yes
1973	355	97%	Yes
1974	364	100%	Yes
1975	363	99%	Yes
1976	362	99%	Yes
1977	364	100%	Yes
1978	362	99%	Yes
1979	363	99%	Yes
1980	358	98%	Yes
1981	360	99%	Yes
1982	362	99%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

20 complete years, 1964 to 1983

One stripe for each of 20 complete years at St Hippolyte, 1964 to 1983. Blue stripes are years cooler than the station's own mean of 3.7 C (38.7 F); red stripes are warmer. The coolest year was 1972, at 2.6 C (36.6 F), and the warmest was 1973, at 4.9 C (40.9 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at St Hippolyte as warming stripes, 1964 to 1983
Year	Annual mean temperature	Difference from the station mean
1964	3.9 C	+0.12 C
1965	3.0 C	-0.76 C
1966	4.3 C	+0.52 C
1967	3.3 C	-0.46 C
1968	3.7 C	-0.02 C
1969	4.3 C	+0.60 C
1970	3.6 C	-0.15 C
1971	3.6 C	-0.15 C
1972	2.6 C	-1.18 C
1973	4.9 C	+1.20 C
1974	3.2 C	-0.50 C
1975	4.3 C	+0.56 C
1976	2.7 C	-1.02 C
1977	4.1 C	+0.32 C
1978	3.0 C	-0.71 C
1979	4.2 C	+0.50 C
1980	3.0 C	-0.78 C
1981	4.7 C	+1.00 C
1982	3.6 C	-0.09 C
1983	4.6 C	+0.91 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

1961 to 1983

Yearly extremes at St Hippolyte: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1975	31.1 C (88.0 F)	23
Coldest night (TNn)	-41.7 C (-43.1 F)	1972	-35.6 C (-32.1 F)	23
Wettest day (Rx1day)	101.1 mm (4.0 in)	1979	43.2 mm (1.7 in)	23
Wettest five days (Rx5day)	117.4 mm (4.6 in)	1979	66.3 mm (2.6 in)	23
Longest dry spell (CDD)	26 days	1980	15 days	23

Hottest day (TXx)

The hottest day of the year at St Hippolyte, 1961 to 1983. The record is 36.1 C (97.0 F) in 1975, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at St Hippolyte by year
Year	Hottest day (TXx)
1961	28.9 C (84.0 F)
1962	33.3 C (91.9 F)
1963	23.3 C (73.9 F)
1964	33.3 C (91.9 F)
1965	29.4 C (84.9 F)
1966	32.2 C (90.0 F)
1967	31.1 C (88.0 F)
1968	31.1 C (88.0 F)
1969	30.6 C (87.1 F)
1970	30.6 C (87.1 F)
1971	31.7 C (89.1 F)
1972	32.2 C (90.0 F)
1973	30.6 C (87.1 F)
1974	29.4 C (84.9 F)
1975	36.1 C (97.0 F)
1976	31.1 C (88.0 F)
1977	31.7 C (89.1 F)
1978	32.2 C (90.0 F)
1979	30.6 C (87.1 F)
1980	30.6 C (87.1 F)
1981	31.7 C (89.1 F)
1982	31.0 C (87.8 F)
1983	32.0 C (89.6 F)

Coldest night (TNn)

The coldest night of the year at St Hippolyte, 1961 to 1983. The record is -41.7 C (-43.1 F) in 1972, marked on the chart; the median year is -35.6 C (-32.1 F).

Coldest night (TNn) at St Hippolyte by year
Year	Coldest night (TNn)
1961	-30.0 C (-22.0 F)
1962	-34.4 C (-29.9 F)
1963	-30.6 C (-23.1 F)
1964	-34.4 C (-29.9 F)
1965	-40.0 C (-40.0 F)
1966	-38.9 C (-38.0 F)
1967	-40.0 C (-40.0 F)
1968	-35.6 C (-32.1 F)
1969	-28.9 C (-20.0 F)
1970	-36.7 C (-34.1 F)
1971	-38.3 C (-36.9 F)
1972	-41.7 C (-43.1 F)
1973	-37.2 C (-35.0 F)
1974	-35.6 C (-32.1 F)
1975	-35.6 C (-32.1 F)
1976	-37.8 C (-36.0 F)
1977	-32.8 C (-27.0 F)
1978	-34.4 C (-29.9 F)
1979	-35.6 C (-32.1 F)
1980	-36.1 C (-33.0 F)
1981	-36.7 C (-34.1 F)
1982	-37.5 C (-35.5 F)
1983	-34.0 C (-29.2 F)

Wettest day (Rx1day)

The wettest day of the year at St Hippolyte, 1961 to 1983. The record is 101.1 mm (4.0 in) in 1979, marked on the chart; the median year is 43.2 mm (1.7 in).

Wettest day (Rx1day) at St Hippolyte by year
Year	Wettest day (Rx1day)
1961	26.2 mm (1.0 in)
1962	36.1 mm (1.4 in)
1963	59.2 mm (2.3 in)
1964	25.4 mm (1.0 in)
1965	34.0 mm (1.3 in)
1966	30.5 mm (1.2 in)
1967	46.7 mm (1.8 in)
1968	43.2 mm (1.7 in)
1969	43.2 mm (1.7 in)
1970	36.8 mm (1.4 in)
1971	38.1 mm (1.5 in)
1972	67.1 mm (2.6 in)
1973	60.7 mm (2.4 in)
1974	35.8 mm (1.4 in)
1975	53.6 mm (2.1 in)
1976	37.6 mm (1.5 in)
1977	33.3 mm (1.3 in)
1978	54.6 mm (2.1 in)
1979	101.1 mm (4.0 in)
1980	52.6 mm (2.1 in)
1981	51.3 mm (2.0 in)
1982	55.1 mm (2.2 in)
1983	47.4 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at St Hippolyte, 1961 to 1983. The record is 117.4 mm (4.6 in) in 1979, marked on the chart; the median year is 66.3 mm (2.6 in).

Wettest five days (Rx5day) at St Hippolyte by year
Year	Wettest five days (Rx5day)
1961	48.2 mm (1.9 in)
1962	38.9 mm (1.5 in)
1963	99.6 mm (3.9 in)
1964	51.5 mm (2.0 in)
1965	53.6 mm (2.1 in)
1966	59.2 mm (2.3 in)
1967	70.9 mm (2.8 in)
1968	65.0 mm (2.6 in)
1969	70.2 mm (2.8 in)
1970	64.7 mm (2.5 in)
1971	61.0 mm (2.4 in)
1972	104.0 mm (4.1 in)
1973	70.1 mm (2.8 in)
1974	69.0 mm (2.7 in)
1975	65.3 mm (2.6 in)
1976	61.6 mm (2.4 in)
1977	61.5 mm (2.4 in)
1978	66.3 mm (2.6 in)
1979	117.4 mm (4.6 in)
1980	81.1 mm (3.2 in)
1981	93.8 mm (3.7 in)
1982	75.1 mm (3.0 in)
1983	87.9 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at St Hippolyte, 1961 to 1983. The record is 26 days in 1980, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at St Hippolyte by year
Year	Longest dry spell (CDD)
1961	22 days
1962	13 days
1963	8 days
1964	15 days
1965	10 days
1966	10 days
1967	20 days
1968	13 days
1969	15 days
1970	15 days
1971	12 days
1972	15 days
1973	11 days
1974	18 days
1975	12 days
1976	19 days
1977	15 days
1978	24 days
1979	16 days
1980	26 days
1981	9 days
1982	12 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.

Frost Dates and Growing Season

20 years with a frost

Across 20 years with a frost, the median last spring frost at St Hippolyte falls on 15 May and the median first autumn frost on 25 September, which leaves a median of 134 days between them.

Frost dates and growing season at St Hippolyte
Measure	Median, all years	Earliest period	Recent period (1964 to 1983)	Recent against earliest	Fitted trend
Last spring frost	15 May	n/a	15 May	n/a	n/a
First autumn frost	25 September	n/a	25 September	n/a	n/a
Growing days	134 days	n/a	134 days	n/a	n/a

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 St Hippolyte standing records by year: CSV or JSON. Field meanings are on the data page.
Data for St Hippolyte 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).