Sault Ste Marie A Weather Records (CA006057592)

Record envelope, standing records and threshold days for Sault Ste Marie A (CA006057592), Ontario, Canada, with 68 years of record.

Key Facts for Sault Ste Marie A

Sault Ste Marie A (CA006057592) is a weather station in Ontario, Canada at 46.48 latitude and -84.52 longitude, 192 m (630 ft) above sea level.
The station reports from 1945 to 2012, 68 years of record.
1,464 records set at Sault Ste Marie A still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ontario, Canada, 46.48 latitude, -84.52 longitude.
Elevation: 192 m (630 ft).
Period of record: 1945 to 2012, 68 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 Sault Ste Marie A. 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 Sault Ste Marie A, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.8 C (46.0 F)	-38.9 C (-38.0 F)	n/a	n/a
Feb	8.4 C (47.1 F)	-38.7 C (-37.7 F)	n/a	n/a
Mar	21.1 C (70.0 F)	-35.6 C (-32.1 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-20.6 C (-5.1 F)	n/a	n/a
May	31.8 C (89.2 F)	-8.9 C (16.0 F)	n/a	n/a
Jun	32.7 C (90.9 F)	-5.6 C (21.9 F)	n/a	n/a
Jul	35.6 C (96.1 F)	0.0 C (32.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	-3.3 C (26.1 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-8.3 C (17.1 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-10.0 C (14.0 F)	n/a	n/a
Nov	18.4 C (65.1 F)	-21.7 C (-7.1 F)	n/a	n/a
Dec	15.4 C (59.7 F)	-36.7 C (-34.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Sault Ste Marie A still stand. 1946 holds the most, with 94.

Standing records at Sault Ste Marie A by the year they were set
Year set	Standing records
1945	32
1946	94
1947	90
1948	80
1949	52
1961	18
1962	47
1963	63
1964	76
1965	57
1966	51
1967	54
1968	54
1969	27
1970	51
1971	35
1972	35
1973	57
1974	39
1975	39
1976	67
1977	42
1978	34
1979	59
1980	34
1981	52
1982	51
1983	74

Wettest Day of Each Month

May: 116.6 mm (4.6 in)

The wettest day on record for each calendar month at Sault Ste Marie A. The most was 116.6 mm (4.6 in) on 31 May 1970.

Record daily precipitation for each month at Sault Ste Marie A
Month	Record daily precipitation (mm)	Date
Jan	32.5 mm (1.3 in)	6 January 1946
Feb	61.0 mm (2.4 in)	10 February 1947
Mar	37.8 mm (1.5 in)	13 March 1947
Apr	41.1 mm (1.6 in)	3 April 1982
May	116.6 mm (4.6 in)	31 May 1970
Jun	77.2 mm (3.0 in)	26 June 1969
Jul	43.9 mm (1.7 in)	18 July 1949
Aug	59.1 mm (2.3 in)	7 August 1979
Sep	64.3 mm (2.5 in)	21 September 1970
Oct	34.9 mm (1.4 in)	23 October 1979
Nov	32.8 mm (1.3 in)	16 November 1948
Dec	37.6 mm (1.5 in)	8 December 1946

Period of Record Coverage

1945 to 1983

28 years of record at Sault Ste Marie A, 1945 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1945, 1949, 1961.

Days with data per year at Sault Ste Marie A
Year	Days with data	Share of year	Complete
1945	208	57%	No
1946	365	100%	Yes
1947	365	100%	Yes
1948	362	99%	Yes
1949	273	75%	No
1961	153	42%	No
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

25 complete years, 1946 to 1983

One stripe for each of 25 complete years at Sault Ste Marie A, 1946 to 1983. Blue stripes are years cooler than the station's own mean of 4.0 C (39.3 F); red stripes are warmer. The coolest year was 1972, at 3.0 C (37.5 F), and the warmest was 1973, at 5.4 C (41.8 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Sault Ste Marie A as warming stripes, 1946 to 1983
Year	Annual mean temperature	Difference from the station mean
1946	4.2 C	+0.14 C
1947	3.7 C	-0.30 C
1948	3.4 C	-0.68 C
1962	3.9 C	-0.16 C
1963	3.8 C	-0.25 C
1964	4.5 C	+0.43 C
1965	3.6 C	-0.44 C
1966	4.5 C	+0.43 C
1967	3.6 C	-0.41 C
1968	4.2 C	+0.20 C
1969	4.3 C	+0.27 C
1970	4.1 C	+0.07 C
1971	4.2 C	+0.16 C
1972	3.0 C	-1.00 C
1973	5.4 C	+1.38 C
1974	3.8 C	-0.27 C
1975	4.8 C	+0.77 C
1976	3.6 C	-0.41 C
1977	4.3 C	+0.22 C
1978	3.3 C	-0.71 C
1979	3.6 C	-0.49 C
1980	3.7 C	-0.32 C
1981	4.5 C	+0.49 C
1982	3.8 C	-0.26 C
1983	5.2 C	+1.18 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

1945 to 1983

Yearly extremes at Sault Ste Marie A: 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)	1947	31.9 C (89.4 F)	28
Coldest night (TNn)	-38.9 C (-38.0 F)	1948	-34.1 C (-29.5 F)	28
Wettest day (Rx1day)	116.6 mm (4.6 in)	1970	39.8 mm (1.6 in)	28
Wettest five days (Rx5day)	129.3 mm (5.1 in)	1970	68.2 mm (2.7 in)	28
Longest dry spell (CDD)	28 days	1963	17 days	28

Hottest day (TXx)

The hottest day of the year at Sault Ste Marie A, 1945 to 1983. The record is 36.1 C (97.0 F) in 1947, marked on the chart; the median year is 31.9 C (89.4 F).

Hottest day (TXx) at Sault Ste Marie A by year
Year	Hottest day (TXx)
1945	31.1 C (88.0 F)
1946	30.6 C (87.1 F)
1947	36.1 C (97.0 F)
1948	33.9 C (93.0 F)
1949	32.2 C (90.0 F)
1961	30.0 C (86.0 F)
1962	31.7 C (89.1 F)
1963	33.3 C (91.9 F)
1964	32.2 C (90.0 F)
1965	31.7 C (89.1 F)
1966	35.0 C (95.0 F)
1967	29.4 C (84.9 F)
1968	32.2 C (90.0 F)
1969	31.1 C (88.0 F)
1970	31.7 C (89.1 F)
1971	31.7 C (89.1 F)
1972	31.1 C (88.0 F)
1973	33.3 C (91.9 F)
1974	31.7 C (89.1 F)
1975	35.6 C (96.1 F)
1976	32.8 C (91.0 F)
1977	34.8 C (94.6 F)
1978	31.3 C (88.3 F)
1979	31.4 C (88.5 F)
1980	32.7 C (90.9 F)
1981	32.1 C (89.8 F)
1982	30.7 C (87.3 F)
1983	32.9 C (91.2 F)

Coldest night (TNn)

The coldest night of the year at Sault Ste Marie A, 1945 to 1983. The record is -38.9 C (-38.0 F) in 1948, marked on the chart; the median year is -34.1 C (-29.5 F).

Coldest night (TNn) at Sault Ste Marie A by year
Year	Coldest night (TNn)
1945	-31.1 C (-24.0 F)
1946	-36.7 C (-34.1 F)
1947	-28.9 C (-20.0 F)
1948	-38.9 C (-38.0 F)
1949	-28.9 C (-20.0 F)
1961	-23.3 C (-9.9 F)
1962	-35.0 C (-31.0 F)
1963	-32.2 C (-26.0 F)
1964	-30.6 C (-23.1 F)
1965	-34.4 C (-29.9 F)
1966	-29.4 C (-20.9 F)
1967	-35.0 C (-31.0 F)
1968	-33.9 C (-29.0 F)
1969	-24.4 C (-11.9 F)
1970	-35.0 C (-31.0 F)
1971	-35.0 C (-31.0 F)
1972	-35.6 C (-32.1 F)
1973	-30.6 C (-23.1 F)
1974	-35.0 C (-31.0 F)
1975	-32.2 C (-26.0 F)
1976	-35.0 C (-31.0 F)
1977	-35.0 C (-31.0 F)
1978	-29.4 C (-20.9 F)
1979	-38.7 C (-37.7 F)
1980	-31.4 C (-24.5 F)
1981	-35.9 C (-32.6 F)
1982	-36.8 C (-34.2 F)
1983	-29.0 C (-20.2 F)

Wettest day (Rx1day)

The wettest day of the year at Sault Ste Marie A, 1945 to 1983. The record is 116.6 mm (4.6 in) in 1970, marked on the chart; the median year is 39.8 mm (1.6 in).

Wettest day (Rx1day) at Sault Ste Marie A by year
Year	Wettest day (Rx1day)
1945	37.8 mm (1.5 in)
1946	47.2 mm (1.9 in)
1947	61.0 mm (2.4 in)
1948	56.9 mm (2.2 in)
1949	43.9 mm (1.7 in)
1961	29.0 mm (1.1 in)
1962	55.6 mm (2.2 in)
1963	36.1 mm (1.4 in)
1964	30.2 mm (1.2 in)
1965	41.1 mm (1.6 in)
1966	32.8 mm (1.3 in)
1967	55.6 mm (2.2 in)
1968	40.4 mm (1.6 in)
1969	77.2 mm (3.0 in)
1970	116.6 mm (4.6 in)
1971	30.0 mm (1.2 in)
1972	33.5 mm (1.3 in)
1973	32.0 mm (1.3 in)
1974	45.2 mm (1.8 in)
1975	36.1 mm (1.4 in)
1976	30.2 mm (1.2 in)
1977	29.6 mm (1.2 in)
1978	48.4 mm (1.9 in)
1979	59.1 mm (2.3 in)
1980	35.3 mm (1.4 in)
1981	39.3 mm (1.5 in)
1982	55.1 mm (2.2 in)
1983	30.9 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Sault Ste Marie A, 1945 to 1983. The record is 129.3 mm (5.1 in) in 1970, marked on the chart; the median year is 68.2 mm (2.7 in).

Wettest five days (Rx5day) at Sault Ste Marie A by year
Year	Wettest five days (Rx5day)
1945	54.2 mm (2.1 in)
1946	50.8 mm (2.0 in)
1947	75.2 mm (3.0 in)
1948	78.0 mm (3.1 in)
1949	101.1 mm (4.0 in)
1961	62.2 mm (2.4 in)
1962	55.6 mm (2.2 in)
1963	70.7 mm (2.8 in)
1964	75.4 mm (3.0 in)
1965	71.4 mm (2.8 in)
1966	54.1 mm (2.1 in)
1967	69.1 mm (2.7 in)
1968	59.6 mm (2.3 in)
1969	101.3 mm (4.0 in)
1970	129.3 mm (5.1 in)
1971	46.2 mm (1.8 in)
1972	49.0 mm (1.9 in)
1973	59.2 mm (2.3 in)
1974	68.8 mm (2.7 in)
1975	73.5 mm (2.9 in)
1976	72.4 mm (2.9 in)
1977	51.6 mm (2.0 in)
1978	67.5 mm (2.7 in)
1979	87.7 mm (3.5 in)
1980	53.2 mm (2.1 in)
1981	55.1 mm (2.2 in)
1982	93.7 mm (3.7 in)
1983	47.9 mm (1.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Sault Ste Marie A, 1945 to 1983. The record is 28 days in 1963, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Sault Ste Marie A by year
Year	Longest dry spell (CDD)
1945	24 days
1946	14 days
1947	17 days
1948	19 days
1949	21 days
1961	14 days
1962	18 days
1963	28 days
1964	13 days
1965	10 days
1966	28 days
1967	16 days
1968	17 days
1969	14 days
1970	23 days
1971	10 days
1972	22 days
1973	16 days
1974	12 days
1975	17 days
1976	22 days
1977	14 days
1978	17 days
1979	12 days
1980	18 days
1981	20 days
1982	15 days
1983	16 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

25 years with a frost

Across 25 years with a frost, the median last spring frost at Sault Ste Marie A falls on 31 May and the median first autumn frost on 26 September, which leaves a median of 122 days between them.

Fitted over all years, the growing season changes by +15.4 days per decade at this station.

Frost dates and growing season at Sault Ste Marie A
Measure	Median, all years	Earliest period	Recent period (1946 to 1983)	Recent against earliest	Fitted trend
Last spring frost	31 May	n/a	31 May	n/a	-1.9 days per decade
First autumn frost	26 September	n/a	26 September	n/a	+13.4 days per decade
Growing days	122 days	n/a	122 days	n/a	+15.4 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 Sault Ste Marie A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Sault Ste Marie A 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).