Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Brantford. 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 Brantford, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
18.3 C (64.9 F)
-33.9 C (-29.0 F)
n/a
n/a
Feb
15.6 C (60.1 F)
-34.4 C (-29.9 F)
n/a
n/a
Mar
25.6 C (78.1 F)
-27.8 C (-18.0 F)
n/a
n/a
Apr
31.7 C (89.1 F)
-16.1 C (3.0 F)
n/a
n/a
May
35.0 C (95.0 F)
-4.4 C (24.1 F)
n/a
n/a
Jun
36.7 C (98.1 F)
-1.7 C (28.9 F)
n/a
n/a
Jul
40.6 C (105.1 F)
3.3 C (37.9 F)
n/a
n/a
Aug
39.4 C (102.9 F)
1.7 C (35.1 F)
n/a
n/a
Sep
37.8 C (100.0 F)
-3.9 C (25.0 F)
n/a
n/a
Oct
31.7 C (89.1 F)
-11.1 C (12.0 F)
n/a
n/a
Nov
25.6 C (78.1 F)
-18.9 C (-2.0 F)
n/a
n/a
Dec
17.8 C (64.0 F)
-30.0 C (-22.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Brantford still stand. 1895 holds the most, with 60.
Standing records at Brantford by the year they were set
Year set
Standing records
1876
27
1877
10
1878
6
1881
30
1882
21
1883
23
1884
21
1885
35
1886
14
1887
20
1888
22
1889
7
1890
22
1891
20
1892
16
1893
21
1894
30
1895
60
1896
30
1897
21
1898
14
1899
27
1900
21
1901
9
1902
17
1903
16
1904
27
1905
12
1906
17
1907
14
1908
10
1909
19
1910
19
1911
22
1912
9
1913
19
1914
25
1915
14
1918
27
1919
12
1920
6
1921
4
1922
14
1923
14
1924
17
1925
24
1926
9
1931
27
1932
22
1933
35
1934
22
1935
19
1936
43
1937
13
1938
22
1939
11
1940
21
1941
25
1942
24
1943
10
1944
9
1945
36
1946
19
1947
15
1948
13
1949
15
1950
18
1951
16
1952
10
1953
25
1954
15
1955
21
1956
10
1957
1
1958
6
1959
12
1960
15
1961
4
1962
12
1963
4
All-Time Record Progression
6 new records
6 all-time records were set at Brantford between 4 July 1911 and 8 July 1936. Each dot is a new record.
When Brantford set new all-time records
Date
Kind
Detail
1911-07-04
Record high maximum temperature
Record high maximum temperature 38.9 C (102.0 F)
1914-08-13
Record daily precipitation
Record daily precipitation 102.9 mm (4.1 in)
1918-08-06
Record high maximum temperature
Record high maximum temperature 39.4 C (102.9 F)
1934-02-08
Record low maximum temperature
Record low maximum temperature -24.4 C (-11.9 F)
1934-02-09
Record low minimum temperature
Record low minimum temperature -34.4 C (-29.9 F)
1936-07-08
Record high maximum temperature
Record high maximum temperature 40.6 C (105.1 F)
Wettest Day of Each Month
Aug: 102.9 mm (4.1 in)
The wettest day on record for each calendar month at Brantford. The most was 102.9 mm (4.1 in) on 13 August 1914.
Record daily precipitation for each month at Brantford
Month
Record daily precipitation (mm)
Date
Jan
50.3 mm (2.0 in)
5 January 1913
Feb
50.8 mm (2.0 in)
19 February 1918
Mar
63.5 mm (2.5 in)
20 March 1897
Apr
63.5 mm (2.5 in)
25 April 1937
May
45.5 mm (1.8 in)
21 May 1912
Jun
68.1 mm (2.7 in)
4 June 1890
Jul
92.7 mm (3.6 in)
27 July 1897
Aug
102.9 mm (4.1 in)
13 August 1914
Sep
63.5 mm (2.5 in)
15 September 1958
Oct
68.1 mm (2.7 in)
15 October 1954
Nov
74.9 mm (2.9 in)
23 November 1909
Dec
72.9 mm (2.9 in)
31 December 1906
Period of Record Coverage
1876 to 1963
Complete yearUnder 90 percent of days
80 years of record at Brantford, 1876 to 1963. 17 years have data for under 90 percent of days and are left out of rankings: 1877, 1878, 1881, 1883, 1889, 1891, 1892, 1893 and others.
Cooler than the station meanWarmer than the station mean
One stripe for each of 58 complete years at Brantford, 1876 to 1961. Blue stripes are years cooler than the station's own mean of 7.6 C (45.6 F); red stripes are warmer. The coolest year was 1885, at 5.5 C (41.8 F), and the warmest was 1953, at 9.0 C (48.1 F). The strongest colour marks a difference of 2.2 C (4.0 F).
Annual mean temperature at Brantford as warming stripes, 1876 to 1961
Year
Annual mean temperature
Difference from the station mean
1876
7.8 C
+0.26 C
1882
7.9 C
+0.32 C
1884
6.9 C
-0.68 C
1885
5.5 C
-2.11 C
1887
7.6 C
-0.01 C
1888
6.5 C
-1.13 C
1895
6.3 C
-1.24 C
1896
7.2 C
-0.41 C
1897
7.4 C
-0.16 C
1898
8.0 C
+0.38 C
1899
7.2 C
-0.34 C
1900
8.1 C
+0.56 C
1901
7.2 C
-0.41 C
1902
7.2 C
-0.34 C
1903
7.2 C
-0.38 C
1904
5.6 C
-2.03 C
1905
6.7 C
-0.85 C
1906
7.9 C
+0.35 C
1907
6.3 C
-1.32 C
1908
7.5 C
-0.07 C
1909
7.2 C
-0.36 C
1910
7.2 C
-0.34 C
1911
8.5 C
+0.90 C
1912
6.8 C
-0.76 C
1913
8.4 C
+0.85 C
1914
7.0 C
-0.57 C
1922
8.1 C
+0.50 C
1923
7.3 C
-0.26 C
1924
6.4 C
-1.20 C
1925
7.4 C
-0.16 C
1926
6.5 C
-1.08 C
1932
8.3 C
+0.71 C
1933
8.5 C
+0.93 C
1934
7.5 C
-0.13 C
1935
7.4 C
-0.23 C
1936
7.6 C
-0.01 C
1937
8.1 C
+0.49 C
1938
8.7 C
+1.07 C
1939
8.2 C
+0.58 C
1940
6.9 C
-0.73 C
1941
8.9 C
+1.33 C
1942
8.0 C
+0.40 C
1943
6.8 C
-0.77 C
1944
8.0 C
+0.45 C
1945
7.5 C
-0.08 C
1946
8.6 C
+1.06 C
1947
8.3 C
+0.67 C
1948
7.5 C
-0.11 C
1949
8.9 C
+1.30 C
1950
7.4 C
-0.22 C
1951
7.8 C
+0.23 C
1952
8.7 C
+1.13 C
1953
9.0 C
+1.38 C
1954
8.2 C
+0.60 C
1955
8.8 C
+1.19 C
1956
7.6 C
-0.03 C
1960
7.7 C
+0.16 C
1961
8.1 C
+0.54 C
The annual mean temperature here has risen by 0.2 C (0.1 to 0.2) per decade over 1876 to 1961. In Fahrenheit: 0.3 F (0.2 to 0.4) per decade. The slope is a straight line fitted to 58 complete years; the brackets give its 95 percent interval.
Fitted temperature trends per decade at Brantford
Measure
Per decade (C)
Per decade (F)
Period
Complete years
Reading
Annual mean temperature
0.2 C (0.1 to 0.2) per decade
0.3 F (0.2 to 0.4) per decade
1876 to 1961
58
Rise
Mean daily maximum
0.10 C (0.02 to 0.18) per decade
0.18 F (0.03 to 0.33) per decade
1876 to 1961
58
Rise
Mean daily minimum
0.2 C (0.1 to 0.3) per decade
0.4 F (0.3 to 0.6) per decade
1876 to 1961
58
Rise
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
1876 to 1963
Yearly extremes at Brantford: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
40.6 C (105.1 F)
1936
35.0 C (95.0 F)
80
Coldest night (TNn)
-34.4 C (-29.9 F)
1934
-25.0 C (-13.0 F)
80
Wettest day (Rx1day)
102.9 mm (4.1 in)
1914
44.7 mm (1.8 in)
79
Wettest five days (Rx5day)
141.2 mm (5.6 in)
1937
63.8 mm (2.5 in)
79
Longest dry spell (CDD)
53 days
1885
18 days
79
Hottest day (TXx)
The hottest day of the year at Brantford, 1876 to 1963. The record is 40.6 C (105.1 F) in 1936, marked on the chart; the median year is 35.0 C (95.0 F).
Hottest day (TXx) at Brantford by year
Year
Hottest day (TXx)
1876
36.7 C (98.1 F)
1877
32.8 C (91.0 F)
1878
26.7 C (80.1 F)
1881
37.2 C (99.0 F)
1882
31.7 C (89.1 F)
1883
28.3 C (82.9 F)
1884
35.0 C (95.0 F)
1885
33.3 C (91.9 F)
1886
33.3 C (91.9 F)
1887
36.7 C (98.1 F)
1888
36.1 C (97.0 F)
1889
31.7 C (89.1 F)
1890
36.1 C (97.0 F)
1891
35.0 C (95.0 F)
1892
33.3 C (91.9 F)
1893
35.6 C (96.1 F)
1894
36.1 C (97.0 F)
1895
35.0 C (95.0 F)
1896
33.3 C (91.9 F)
1897
38.3 C (100.9 F)
1898
36.1 C (97.0 F)
1899
36.1 C (97.0 F)
1900
36.7 C (98.1 F)
1901
36.1 C (97.0 F)
1902
32.2 C (90.0 F)
1903
32.8 C (91.0 F)
1904
35.0 C (95.0 F)
1905
34.4 C (93.9 F)
1906
33.3 C (91.9 F)
1907
32.2 C (90.0 F)
1908
33.9 C (93.0 F)
1909
33.9 C (93.0 F)
1910
35.0 C (95.0 F)
1911
38.9 C (102.0 F)
1912
34.4 C (93.9 F)
1913
35.0 C (95.0 F)
1914
36.1 C (97.0 F)
1915
31.7 C (89.1 F)
1918
39.4 C (102.9 F)
1919
36.7 C (98.1 F)
1920
22.8 C (73.0 F)
1921
18.9 C (66.0 F)
1922
33.3 C (91.9 F)
1923
35.0 C (95.0 F)
1924
33.3 C (91.9 F)
1925
35.6 C (96.1 F)
1926
35.6 C (96.1 F)
1931
39.4 C (102.9 F)
1932
35.0 C (95.0 F)
1933
37.8 C (100.0 F)
1934
37.2 C (99.0 F)
1935
35.6 C (96.1 F)
1936
40.6 C (105.1 F)
1937
35.0 C (95.0 F)
1938
35.0 C (95.0 F)
1939
35.0 C (95.0 F)
1940
33.9 C (93.0 F)
1941
37.8 C (100.0 F)
1942
34.4 C (93.9 F)
1943
35.0 C (95.0 F)
1944
36.7 C (98.1 F)
1945
33.3 C (91.9 F)
1946
34.4 C (93.9 F)
1947
35.0 C (95.0 F)
1948
36.7 C (98.1 F)
1949
37.8 C (100.0 F)
1950
32.8 C (91.0 F)
1951
33.3 C (91.9 F)
1952
36.7 C (98.1 F)
1953
37.8 C (100.0 F)
1954
35.0 C (95.0 F)
1955
37.8 C (100.0 F)
1956
34.4 C (93.9 F)
1957
10.6 C (51.1 F)
1958
31.1 C (88.0 F)
1959
31.1 C (88.0 F)
1960
32.2 C (90.0 F)
1961
31.7 C (89.1 F)
1962
33.3 C (91.9 F)
1963
32.8 C (91.0 F)
Coldest night (TNn)
The coldest night of the year at Brantford, 1876 to 1963. The record is -34.4 C (-29.9 F) in 1934, marked on the chart; the median year is -25.0 C (-13.0 F).
Coldest night (TNn) at Brantford by year
Year
Coldest night (TNn)
1876
-21.7 C (-7.1 F)
1877
-21.1 C (-6.0 F)
1878
-21.7 C (-7.1 F)
1881
-12.8 C (9.0 F)
1882
-27.8 C (-18.0 F)
1883
-25.0 C (-13.0 F)
1884
-33.9 C (-29.0 F)
1885
-28.3 C (-18.9 F)
1886
-28.9 C (-20.0 F)
1887
-25.6 C (-14.1 F)
1888
-28.9 C (-20.0 F)
1889
-25.6 C (-14.1 F)
1890
-22.2 C (-8.0 F)
1891
-18.3 C (-0.9 F)
1892
-32.8 C (-27.0 F)
1893
-29.4 C (-20.9 F)
1894
-25.6 C (-14.1 F)
1895
-28.9 C (-20.0 F)
1896
-27.8 C (-18.0 F)
1897
-23.9 C (-11.0 F)
1898
-26.1 C (-15.0 F)
1899
-28.3 C (-18.9 F)
1900
-23.9 C (-11.0 F)
1901
-23.3 C (-9.9 F)
1902
-21.7 C (-7.1 F)
1903
-23.9 C (-11.0 F)
1904
-30.6 C (-23.1 F)
1905
-24.4 C (-11.9 F)
1906
-24.4 C (-11.9 F)
1907
-24.4 C (-11.9 F)
1908
-29.4 C (-20.9 F)
1909
-28.9 C (-20.0 F)
1910
-25.6 C (-14.1 F)
1911
-20.0 C (-4.0 F)
1912
-27.2 C (-17.0 F)
1913
-20.6 C (-5.1 F)
1914
-30.0 C (-22.0 F)
1915
-28.9 C (-20.0 F)
1918
-30.0 C (-22.0 F)
1919
-19.4 C (-2.9 F)
1920
-26.7 C (-16.1 F)
1921
-17.2 C (1.0 F)
1922
-18.9 C (-2.0 F)
1923
-23.9 C (-11.0 F)
1924
-25.6 C (-14.1 F)
1925
-31.1 C (-24.0 F)
1926
-25.0 C (-13.0 F)
1931
-20.6 C (-5.1 F)
1932
-17.2 C (1.0 F)
1933
-26.7 C (-16.1 F)
1934
-34.4 C (-29.9 F)
1935
-24.4 C (-11.9 F)
1936
-25.0 C (-13.0 F)
1937
-17.8 C (0.0 F)
1938
-21.7 C (-7.1 F)
1939
-20.6 C (-5.1 F)
1940
-21.1 C (-6.0 F)
1941
-21.7 C (-7.1 F)
1942
-26.7 C (-16.1 F)
1943
-26.7 C (-16.1 F)
1944
-28.9 C (-20.0 F)
1945
-30.0 C (-22.0 F)
1946
-20.6 C (-5.1 F)
1947
-17.2 C (1.0 F)
1948
-25.6 C (-14.1 F)
1949
-18.3 C (-0.9 F)
1950
-23.3 C (-9.9 F)
1951
-22.8 C (-9.0 F)
1952
-20.0 C (-4.0 F)
1953
-20.6 C (-5.1 F)
1954
-21.7 C (-7.1 F)
1955
-26.1 C (-15.0 F)
1956
-18.9 C (-2.0 F)
1957
-26.1 C (-15.0 F)
1958
-24.4 C (-11.9 F)
1959
-27.8 C (-18.0 F)
1960
-26.1 C (-15.0 F)
1961
-26.1 C (-15.0 F)
1962
-22.2 C (-8.0 F)
1963
-27.8 C (-18.0 F)
Wettest day (Rx1day)
The wettest day of the year at Brantford, 1876 to 1963. The record is 102.9 mm (4.1 in) in 1914, marked on the chart; the median year is 44.7 mm (1.8 in).
Wettest day (Rx1day) at Brantford by year
Year
Wettest day (Rx1day)
1876
55.9 mm (2.2 in)
1877
48.3 mm (1.9 in)
1878
40.6 mm (1.6 in)
1881
36.1 mm (1.4 in)
1882
40.9 mm (1.6 in)
1883
25.4 mm (1.0 in)
1884
40.6 mm (1.6 in)
1885
25.9 mm (1.0 in)
1886
35.6 mm (1.4 in)
1887
30.5 mm (1.2 in)
1888
35.6 mm (1.4 in)
1889
45.7 mm (1.8 in)
1890
68.1 mm (2.7 in)
1891
33.3 mm (1.3 in)
1892
57.4 mm (2.3 in)
1893
17.8 mm (0.7 in)
1894
39.6 mm (1.6 in)
1895
38.1 mm (1.5 in)
1896
44.7 mm (1.8 in)
1897
92.7 mm (3.6 in)
1898
58.2 mm (2.3 in)
1899
54.1 mm (2.1 in)
1900
48.8 mm (1.9 in)
1901
61.5 mm (2.4 in)
1902
38.6 mm (1.5 in)
1903
52.6 mm (2.1 in)
1904
52.3 mm (2.1 in)
1905
47.2 mm (1.9 in)
1906
72.9 mm (2.9 in)
1907
36.8 mm (1.4 in)
1908
47.8 mm (1.9 in)
1909
74.9 mm (2.9 in)
1910
48.8 mm (1.9 in)
1911
32.3 mm (1.3 in)
1912
45.5 mm (1.8 in)
1913
50.3 mm (2.0 in)
1914
102.9 mm (4.1 in)
1915
87.6 mm (3.4 in)
1918
50.8 mm (2.0 in)
1919
45.7 mm (1.8 in)
1920
20.3 mm (0.8 in)
1921
24.6 mm (1.0 in)
1922
68.1 mm (2.7 in)
1923
39.6 mm (1.6 in)
1924
32.8 mm (1.3 in)
1925
34.3 mm (1.4 in)
1926
52.3 mm (2.1 in)
1931
50.5 mm (2.0 in)
1932
64.5 mm (2.5 in)
1933
30.7 mm (1.2 in)
1934
51.6 mm (2.0 in)
1935
45.7 mm (1.8 in)
1936
43.4 mm (1.7 in)
1937
63.5 mm (2.5 in)
1938
38.6 mm (1.5 in)
1939
68.3 mm (2.7 in)
1940
40.1 mm (1.6 in)
1941
65.3 mm (2.6 in)
1942
44.7 mm (1.8 in)
1943
30.5 mm (1.2 in)
1944
n/a
1945
39.9 mm (1.6 in)
1946
20.3 mm (0.8 in)
1947
53.3 mm (2.1 in)
1948
29.2 mm (1.1 in)
1949
49.5 mm (1.9 in)
1950
52.8 mm (2.1 in)
1951
27.2 mm (1.1 in)
1952
36.8 mm (1.4 in)
1953
27.9 mm (1.1 in)
1954
68.1 mm (2.7 in)
1955
42.9 mm (1.7 in)
1956
45.5 mm (1.8 in)
1957
12.4 mm (0.5 in)
1958
63.5 mm (2.5 in)
1959
43.2 mm (1.7 in)
1960
40.6 mm (1.6 in)
1961
37.3 mm (1.5 in)
1962
79.5 mm (3.1 in)
1963
21.3 mm (0.8 in)
Wettest five days (Rx5day)
The wettest five days of the year at Brantford, 1876 to 1963. The record is 141.2 mm (5.6 in) in 1937, marked on the chart; the median year is 63.8 mm (2.5 in).
Wettest five days (Rx5day) at Brantford by year
Year
Wettest five days (Rx5day)
1876
67.1 mm (2.6 in)
1877
60.3 mm (2.4 in)
1878
41.9 mm (1.6 in)
1881
47.0 mm (1.9 in)
1882
56.2 mm (2.2 in)
1883
45.7 mm (1.8 in)
1884
53.6 mm (2.1 in)
1885
49.6 mm (2.0 in)
1886
46.0 mm (1.8 in)
1887
43.2 mm (1.7 in)
1888
48.0 mm (1.9 in)
1889
66.8 mm (2.6 in)
1890
82.3 mm (3.2 in)
1891
33.3 mm (1.3 in)
1892
97.5 mm (3.8 in)
1893
30.0 mm (1.2 in)
1894
113.2 mm (4.5 in)
1895
48.1 mm (1.9 in)
1896
75.9 mm (3.0 in)
1897
95.2 mm (3.7 in)
1898
64.0 mm (2.5 in)
1899
54.1 mm (2.1 in)
1900
62.8 mm (2.5 in)
1901
84.4 mm (3.3 in)
1902
59.6 mm (2.3 in)
1903
52.6 mm (2.1 in)
1904
56.9 mm (2.2 in)
1905
76.7 mm (3.0 in)
1906
78.0 mm (3.1 in)
1907
106.4 mm (4.2 in)
1908
77.0 mm (3.0 in)
1909
77.4 mm (3.0 in)
1910
61.8 mm (2.4 in)
1911
42.2 mm (1.7 in)
1912
91.5 mm (3.6 in)
1913
73.9 mm (2.9 in)
1914
112.5 mm (4.4 in)
1915
108.7 mm (4.3 in)
1918
60.5 mm (2.4 in)
1919
68.8 mm (2.7 in)
1920
25.4 mm (1.0 in)
1921
83.6 mm (3.3 in)
1922
98.6 mm (3.9 in)
1923
49.0 mm (1.9 in)
1924
61.0 mm (2.4 in)
1925
58.2 mm (2.3 in)
1926
81.8 mm (3.2 in)
1931
75.0 mm (3.0 in)
1932
65.5 mm (2.6 in)
1933
36.8 mm (1.4 in)
1934
76.7 mm (3.0 in)
1935
62.0 mm (2.4 in)
1936
51.0 mm (2.0 in)
1937
141.2 mm (5.6 in)
1938
47.5 mm (1.9 in)
1939
78.0 mm (3.1 in)
1940
50.5 mm (2.0 in)
1941
75.7 mm (3.0 in)
1942
56.1 mm (2.2 in)
1943
31.8 mm (1.3 in)
1944
n/a
1945
67.9 mm (2.7 in)
1946
32.8 mm (1.3 in)
1947
72.9 mm (2.9 in)
1948
67.6 mm (2.7 in)
1949
67.0 mm (2.6 in)
1950
66.5 mm (2.6 in)
1951
41.1 mm (1.6 in)
1952
63.8 mm (2.5 in)
1953
39.6 mm (1.6 in)
1954
114.9 mm (4.5 in)
1955
56.4 mm (2.2 in)
1956
102.4 mm (4.0 in)
1957
21.0 mm (0.8 in)
1958
123.2 mm (4.9 in)
1959
88.9 mm (3.5 in)
1960
72.1 mm (2.8 in)
1961
53.0 mm (2.1 in)
1962
112.7 mm (4.4 in)
1963
50.8 mm (2.0 in)
Longest dry spell (CDD)
The longest dry spell of the year at Brantford, 1876 to 1963. The record is 53 days in 1885, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Brantford by year
Year
Longest dry spell (CDD)
1876
15 days
1877
33 days
1878
13 days
1881
25 days
1882
26 days
1883
39 days
1884
21 days
1885
53 days
1886
17 days
1887
21 days
1888
19 days
1889
31 days
1890
11 days
1891
16 days
1892
18 days
1893
12 days
1894
20 days
1895
32 days
1896
20 days
1897
34 days
1898
19 days
1899
33 days
1900
19 days
1901
23 days
1902
17 days
1903
21 days
1904
20 days
1905
22 days
1906
21 days
1907
16 days
1908
29 days
1909
14 days
1910
16 days
1911
20 days
1912
25 days
1913
30 days
1914
19 days
1915
18 days
1918
18 days
1919
20 days
1920
20 days
1921
13 days
1922
16 days
1923
15 days
1924
36 days
1925
12 days
1926
12 days
1931
15 days
1932
14 days
1933
18 days
1934
26 days
1935
17 days
1936
22 days
1937
14 days
1938
17 days
1939
17 days
1940
12 days
1941
19 days
1942
19 days
1943
32 days
1944
n/a
1945
14 days
1946
12 days
1947
19 days
1948
16 days
1949
20 days
1950
14 days
1951
12 days
1952
18 days
1953
17 days
1954
17 days
1955
18 days
1956
30 days
1957
6 days
1958
22 days
1959
16 days
1960
14 days
1961
17 days
1962
16 days
1963
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
58 years with a frost
Across 58 years with a frost, the median last spring frost at Brantford falls on 11 May and the median first autumn frost on 2 October, which leaves a median of 147 days between them.
Fitted over all years, the growing season changes by +1.2 days per decade at this station.
Frost dates and growing season at Brantford
Measure
Median, all years
Earliest period
Recent period (1924 to 1961)
Recent against earliest
Fitted trend
Last spring frost
11 May
n/a
11 May
n/a
-0.5 days per decade
First autumn frost
2 October
n/a
4 October
n/a
+0.8 days per decade
Growing days
147 days
n/a
149 days
n/a
+1.2 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
61 years, 1876 to 1961
A day with at least 44.7 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 97.3 mm (3.8 in) of rain is expected about once in 100 years.
Rainfall return levels at Brantford: the daily rain expected about once in a given number of years
Expected about once in
A day with at least
Note
2 years
44.7 mm (1.8 in)
5 years
58.3 mm (2.3 in)
10 years
67.5 mm (2.7 in)
25 years
79.3 mm (3.1 in)
50 years
88.3 mm (3.5 in)
100 years
97.3 mm (3.8 in)
Longer than the 61 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, 61 years of values from 1876 to 1961.
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: 102.9 mm (4.1 in) in 1914; 92.7 mm (3.6 in) in 1897; 74.9 mm (2.9 in) in 1909.
Station Changes
No change in the annual mean temperature of this station was found against its neighbours.
Download the Data
Data for Brantford standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Brantford 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.