Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Grand Lac Victoria. 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 Grand Lac Victoria, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
9.4 C (48.9 F)
-47.8 C (-54.0 F)
n/a
n/a
Feb
10.6 C (51.1 F)
-47.8 C (-54.0 F)
n/a
n/a
Mar
22.2 C (72.0 F)
-42.2 C (-44.0 F)
n/a
n/a
Apr
25.6 C (78.1 F)
-32.8 C (-27.0 F)
n/a
n/a
May
32.2 C (90.0 F)
-13.9 C (7.0 F)
n/a
n/a
Jun
34.5 C (94.1 F)
-7.8 C (18.0 F)
n/a
n/a
Jul
33.9 C (93.0 F)
-2.2 C (28.0 F)
n/a
n/a
Aug
33.3 C (91.9 F)
-3.9 C (25.0 F)
n/a
n/a
Sep
31.1 C (88.0 F)
-11.1 C (12.0 F)
n/a
n/a
Oct
26.1 C (79.0 F)
-16.1 C (3.0 F)
n/a
n/a
Nov
19.4 C (66.9 F)
-31.1 C (-24.0 F)
n/a
n/a
Dec
13.3 C (55.9 F)
-48.0 C (-54.4 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Grand Lac Victoria still stand. 1947 holds the most, with 61.
Standing records at Grand Lac Victoria by the year they were set
Year set
Standing records
1939
5
1940
29
1941
20
1942
25
1943
21
1944
4
1945
40
1946
43
1947
61
1948
38
1949
29
1950
47
1951
46
1952
17
1953
35
1954
27
1955
33
1956
39
1957
46
1958
27
1959
31
1960
15
1961
23
1962
42
1963
45
1964
42
1965
47
1966
36
1967
41
1968
32
1969
31
1970
32
1971
27
1972
36
1973
35
1974
34
1975
24
1976
38
1977
40
1978
27
1979
32
1980
48
1981
35
1982
20
1983
19
All-Time Record Progression
4 new records
4 all-time records were set at Grand Lac Victoria between 23 June 1975 and 20 June 1983. Each dot is a new record.
When Grand Lac Victoria set new all-time records
Date
Kind
Detail
1975-06-23
Record high minimum temperature
Record high minimum temperature 24.4 C (75.9 F)
1977-07-20
Record high maximum temperature
Record high maximum temperature 33.9 C (93.0 F)
1980-12-17
Record low minimum temperature
Record low minimum temperature -48.0 C (-54.4 F)
1983-06-20
Record high maximum temperature
Record high maximum temperature 34.5 C (94.1 F)
Wettest Day of Each Month
Jul: 89.7 mm (3.5 in)
The wettest day on record for each calendar month at Grand Lac Victoria. The most was 89.7 mm (3.5 in) on 9 July 1928.
Record daily precipitation for each month at Grand Lac Victoria
Month
Record daily precipitation (mm)
Date
Jan
59.2 mm (2.3 in)
1 January 1942
Feb
50.3 mm (2.0 in)
25 February 1965
Mar
39.4 mm (1.6 in)
26 March 1963
Apr
38.1 mm (1.5 in)
18 April 1940
May
66.0 mm (2.6 in)
16 May 1965
Jun
72.4 mm (2.9 in)
27 June 1941
Jul
89.7 mm (3.5 in)
9 July 1928
Aug
55.9 mm (2.2 in)
3 August 1954
Sep
60.2 mm (2.4 in)
19 September 1947
Oct
34.5 mm (1.4 in)
13 October 1973
Nov
31.5 mm (1.2 in)
28 November 1966
Dec
38.9 mm (1.5 in)
13 December 1941
Period of Record Coverage
1939 to 1983
Complete yearUnder 90 percent of days
45 years of record at Grand Lac Victoria, 1939 to 1983. 7 years have data for under 90 percent of days and are left out of rankings: 1939, 1943, 1944, 1974, 1975, 1976, 1983.
Cooler than the station meanWarmer than the station mean
One stripe for each of 28 complete years at Grand Lac Victoria, 1946 to 1982. Blue stripes are years cooler than the station's own mean of 1.0 C (33.8 F); red stripes are warmer. The coolest year was 1972, at -0.5 C (31.0 F), and the warmest was 1973, at 2.3 C (36.1 F). The strongest colour marks a difference of 1.6 C (2.9 F).
Annual mean temperature at Grand Lac Victoria as warming stripes, 1946 to 1982
Year
Annual mean temperature
Difference from the station mean
1946
0.7 C
-0.31 C
1947
1.0 C
-0.04 C
1948
1.1 C
+0.11 C
1951
1.2 C
+0.12 C
1954
0.4 C
-0.64 C
1955
1.7 C
+0.69 C
1957
1.1 C
+0.03 C
1958
1.2 C
+0.16 C
1959
1.0 C
-0.05 C
1960
1.6 C
+0.61 C
1961
1.9 C
+0.90 C
1962
0.8 C
-0.28 C
1963
0.8 C
-0.27 C
1964
1.6 C
+0.53 C
1965
0.1 C
-0.97 C
1966
1.7 C
+0.64 C
1967
0.2 C
-0.80 C
1968
1.3 C
+0.26 C
1969
1.5 C
+0.50 C
1970
0.7 C
-0.38 C
1971
1.2 C
+0.17 C
1972
-0.5 C
-1.57 C
1973
2.3 C
+1.22 C
1977
1.8 C
+0.72 C
1978
0.2 C
-0.83 C
1980
0.2 C
-0.85 C
1981
1.9 C
+0.86 C
1982
0.4 C
-0.63 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
1927 to 1983
Yearly extremes at Grand Lac Victoria: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
34.5 C (94.1 F)
1983
31.1 C (88.0 F)
45
Coldest night (TNn)
-48.0 C (-54.4 F)
1980
-42.2 C (-44.0 F)
45
Wettest day (Rx1day)
89.7 mm (3.5 in)
1928
38.4 mm (1.5 in)
49
Wettest five days (Rx5day)
117.9 mm (4.6 in)
1960
65.3 mm (2.6 in)
49
Longest dry spell (CDD)
25 days
1940
13 days
49
Hottest day (TXx)
The hottest day of the year at Grand Lac Victoria, 1927 to 1983. The record is 34.5 C (94.1 F) in 1983, marked on the chart; the median year is 31.1 C (88.0 F).
Hottest day (TXx) at Grand Lac Victoria by year
Year
Hottest day (TXx)
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1939
9.4 C (48.9 F)
1940
31.1 C (88.0 F)
1941
30.6 C (87.1 F)
1942
29.4 C (84.9 F)
1943
32.2 C (90.0 F)
1944
19.4 C (66.9 F)
1945
31.1 C (88.0 F)
1946
31.1 C (88.0 F)
1947
33.3 C (91.9 F)
1948
33.3 C (91.9 F)
1949
33.3 C (91.9 F)
1950
29.4 C (84.9 F)
1951
30.0 C (86.0 F)
1952
29.4 C (84.9 F)
1953
32.8 C (91.0 F)
1954
28.9 C (84.0 F)
1955
32.8 C (91.0 F)
1956
31.7 C (89.1 F)
1957
31.1 C (88.0 F)
1958
28.9 C (84.0 F)
1959
30.6 C (87.1 F)
1960
29.4 C (84.9 F)
1961
29.4 C (84.9 F)
1962
31.7 C (89.1 F)
1963
31.7 C (89.1 F)
1964
30.6 C (87.1 F)
1965
28.9 C (84.0 F)
1966
32.2 C (90.0 F)
1967
28.9 C (84.0 F)
1968
32.2 C (90.0 F)
1969
31.1 C (88.0 F)
1970
31.1 C (88.0 F)
1971
30.6 C (87.1 F)
1972
29.4 C (84.9 F)
1973
30.6 C (87.1 F)
1974
30.0 C (86.0 F)
1975
33.3 C (91.9 F)
1976
31.1 C (88.0 F)
1977
33.9 C (93.0 F)
1978
32.2 C (90.0 F)
1979
29.4 C (84.9 F)
1980
29.5 C (85.1 F)
1981
32.0 C (89.6 F)
1982
29.5 C (85.1 F)
1983
34.5 C (94.1 F)
Coldest night (TNn)
The coldest night of the year at Grand Lac Victoria, 1927 to 1983. The record is -48.0 C (-54.4 F) in 1980, marked on the chart; the median year is -42.2 C (-44.0 F).
Coldest night (TNn) at Grand Lac Victoria by year
Year
Coldest night (TNn)
1927
n/a
1928
n/a
1929
n/a
1930
n/a
1939
-32.8 C (-27.0 F)
1940
-36.1 C (-33.0 F)
1941
-38.9 C (-38.0 F)
1942
-42.8 C (-45.0 F)
1943
-42.2 C (-44.0 F)
1944
-19.4 C (-2.9 F)
1945
-36.7 C (-34.1 F)
1946
-47.2 C (-53.0 F)
1947
-42.8 C (-45.0 F)
1948
-43.3 C (-45.9 F)
1949
-38.3 C (-36.9 F)
1950
-44.4 C (-47.9 F)
1951
-45.0 C (-49.0 F)
1952
-41.7 C (-43.1 F)
1953
-37.2 C (-35.0 F)
1954
-40.6 C (-41.1 F)
1955
-46.1 C (-51.0 F)
1956
-35.6 C (-32.1 F)
1957
-47.8 C (-54.0 F)
1958
-38.9 C (-38.0 F)
1959
-41.7 C (-43.1 F)
1960
-41.7 C (-43.1 F)
1961
-40.6 C (-41.1 F)
1962
-47.8 C (-54.0 F)
1963
-42.8 C (-45.0 F)
1964
-40.0 C (-40.0 F)
1965
-42.2 C (-44.0 F)
1966
-41.1 C (-42.0 F)
1967
-45.6 C (-50.1 F)
1968
-43.3 C (-45.9 F)
1969
-38.3 C (-36.9 F)
1970
-45.0 C (-49.0 F)
1971
-43.9 C (-47.0 F)
1972
-44.4 C (-47.9 F)
1973
-43.3 C (-45.9 F)
1974
-38.3 C (-36.9 F)
1975
-40.6 C (-41.1 F)
1976
-41.1 C (-42.0 F)
1977
-39.4 C (-38.9 F)
1978
-42.8 C (-45.0 F)
1979
-44.4 C (-47.9 F)
1980
-48.0 C (-54.4 F)
1981
-42.5 C (-44.5 F)
1982
-45.0 C (-49.0 F)
1983
-42.5 C (-44.5 F)
Wettest day (Rx1day)
The wettest day of the year at Grand Lac Victoria, 1927 to 1983. The record is 89.7 mm (3.5 in) in 1928, marked on the chart; the median year is 38.4 mm (1.5 in).
Wettest day (Rx1day) at Grand Lac Victoria by year
Year
Wettest day (Rx1day)
1927
19.8 mm (0.8 in)
1928
89.7 mm (3.5 in)
1929
24.4 mm (1.0 in)
1930
35.1 mm (1.4 in)
1939
25.4 mm (1.0 in)
1940
38.1 mm (1.5 in)
1941
72.4 mm (2.9 in)
1942
59.2 mm (2.3 in)
1943
32.8 mm (1.3 in)
1944
15.2 mm (0.6 in)
1945
38.4 mm (1.5 in)
1946
38.4 mm (1.5 in)
1947
60.2 mm (2.4 in)
1948
35.1 mm (1.4 in)
1949
60.2 mm (2.4 in)
1950
25.7 mm (1.0 in)
1951
25.4 mm (1.0 in)
1952
73.2 mm (2.9 in)
1953
38.6 mm (1.5 in)
1954
55.9 mm (2.2 in)
1955
33.0 mm (1.3 in)
1956
36.8 mm (1.4 in)
1957
44.5 mm (1.8 in)
1958
40.6 mm (1.6 in)
1959
33.3 mm (1.3 in)
1960
86.4 mm (3.4 in)
1961
47.0 mm (1.9 in)
1962
50.3 mm (2.0 in)
1963
41.9 mm (1.6 in)
1964
50.3 mm (2.0 in)
1965
66.0 mm (2.6 in)
1966
40.6 mm (1.6 in)
1967
35.1 mm (1.4 in)
1968
44.5 mm (1.8 in)
1969
33.0 mm (1.3 in)
1970
57.9 mm (2.3 in)
1971
62.7 mm (2.5 in)
1972
32.0 mm (1.3 in)
1973
34.5 mm (1.4 in)
1974
43.2 mm (1.7 in)
1975
25.4 mm (1.0 in)
1976
35.6 mm (1.4 in)
1977
53.6 mm (2.1 in)
1978
40.6 mm (1.6 in)
1979
36.8 mm (1.4 in)
1980
35.6 mm (1.4 in)
1981
34.2 mm (1.3 in)
1982
30.0 mm (1.2 in)
1983
30.4 mm (1.2 in)
Wettest five days (Rx5day)
The wettest five days of the year at Grand Lac Victoria, 1927 to 1983. The record is 117.9 mm (4.6 in) in 1960, marked on the chart; the median year is 65.3 mm (2.6 in).
Wettest five days (Rx5day) at Grand Lac Victoria by year
Year
Wettest five days (Rx5day)
1927
39.9 mm (1.6 in)
1928
97.6 mm (3.8 in)
1929
46.9 mm (1.8 in)
1930
60.8 mm (2.4 in)
1939
61.5 mm (2.4 in)
1940
47.1 mm (1.9 in)
1941
76.2 mm (3.0 in)
1942
65.8 mm (2.6 in)
1943
45.7 mm (1.8 in)
1944
33.5 mm (1.3 in)
1945
89.8 mm (3.5 in)
1946
65.3 mm (2.6 in)
1947
102.8 mm (4.0 in)
1948
75.0 mm (3.0 in)
1949
92.4 mm (3.6 in)
1950
48.7 mm (1.9 in)
1951
53.6 mm (2.1 in)
1952
92.3 mm (3.6 in)
1953
60.7 mm (2.4 in)
1954
78.2 mm (3.1 in)
1955
48.8 mm (1.9 in)
1956
63.2 mm (2.5 in)
1957
84.2 mm (3.3 in)
1958
81.3 mm (3.2 in)
1959
63.0 mm (2.5 in)
1960
117.9 mm (4.6 in)
1961
91.9 mm (3.6 in)
1962
57.5 mm (2.3 in)
1963
74.0 mm (2.9 in)
1964
79.9 mm (3.1 in)
1965
99.5 mm (3.9 in)
1966
83.3 mm (3.3 in)
1967
69.8 mm (2.7 in)
1968
59.2 mm (2.3 in)
1969
71.8 mm (2.8 in)
1970
108.7 mm (4.3 in)
1971
78.4 mm (3.1 in)
1972
66.9 mm (2.6 in)
1973
64.7 mm (2.5 in)
1974
65.3 mm (2.6 in)
1975
35.0 mm (1.4 in)
1976
60.5 mm (2.4 in)
1977
73.1 mm (2.9 in)
1978
64.6 mm (2.5 in)
1979
65.2 mm (2.6 in)
1980
45.8 mm (1.8 in)
1981
67.0 mm (2.6 in)
1982
48.4 mm (1.9 in)
1983
47.4 mm (1.9 in)
Longest dry spell (CDD)
The longest dry spell of the year at Grand Lac Victoria, 1927 to 1983. The record is 25 days in 1940, marked on the chart; the median year is 13 days.
Longest dry spell (CDD) at Grand Lac Victoria by year
Year
Longest dry spell (CDD)
1927
3 days
1928
7 days
1929
9 days
1930
5 days
1939
13 days
1940
25 days
1941
22 days
1942
12 days
1943
18 days
1944
5 days
1945
7 days
1946
16 days
1947
12 days
1948
12 days
1949
12 days
1950
14 days
1951
13 days
1952
12 days
1953
19 days
1954
8 days
1955
10 days
1956
12 days
1957
18 days
1958
14 days
1959
11 days
1960
14 days
1961
18 days
1962
15 days
1963
13 days
1964
14 days
1965
18 days
1966
24 days
1967
9 days
1968
12 days
1969
15 days
1970
9 days
1971
11 days
1972
18 days
1973
10 days
1974
9 days
1975
17 days
1976
14 days
1977
17 days
1978
17 days
1979
15 days
1980
13 days
1981
11 days
1982
19 days
1983
18 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
28 years with a frost
Across 28 years with a frost, the median last spring frost at Grand Lac Victoria falls on 18 June and the median first autumn frost on 1 August, which leaves a median of 48 days between them.
Fitted over all years, the growing season changes by -3.5 days per decade at this station.
Frost dates and growing season at Grand Lac Victoria
Measure
Median, all years
Earliest period
Recent period (1946 to 1982)
Recent against earliest
Fitted trend
Last spring frost
18 June
n/a
18 June
n/a
+2.0 days per decade
First autumn frost
1 August
n/a
1 August
n/a
-1.5 days per decade
Growing days
48 days
n/a
48 days
n/a
-3.5 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.
Rainfall Return Levels
38 years, 1940 to 1982
A day with at least 41.4 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 99.7 mm (3.9 in) of rain is expected about once in 100 years.
Rainfall return levels at Grand Lac Victoria: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
41.4 mm (1.6 in)
5 years
53.8 mm (2.1 in)
10 years
63.1 mm (2.5 in)
25 years
76.5 mm (3.0 in)
50 years
87.6 mm (3.4 in)
Longer than the 38 years of record
100 years
99.7 mm (3.9 in)
Longer than the 38 years of record
The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 38 years of values from 1940 to 1982.
A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.
The largest wettest-day totals in the fit: 86.4 mm (3.4 in) in 1960; 73.2 mm (2.9 in) in 1952; 72.4 mm (2.9 in) in 1941.
Download the Data
Data for Grand Lac Victoria standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grand Lac Victoria 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.