Brantford Threshold Days by Year (CA006140941)

18 fixed thresholds counted per year at Brantford (CA006140941): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brantford Thresholds

Brantford: days with a maximum temperature at or above 30 C (86 F) in 63 years, most in 1887 with 47.
Brantford: days with a maximum temperature at or below 0 C (32 F) in 63 years, most in 1904 with 91.
Brantford: nights with a minimum temperature at or below 0 C (32 F) in 61 years, most in 1907 with 186.
Brantford: nights with a minimum temperature at or below -10 C (14 F) in 61 years, most in 1895 with 82.
18 fixed thresholds have at least one qualifying day at Brantford.

Days at or above 30 C (86 F)

63 years with a qualifying day

Days per year at Brantford with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 47 in 1887.

Days at or above 30 C (86 F) per year at Brantford
Year	Days	Decade average
1876	30	30
1882	17	25.7
1884	30	25.7
1885	19	25.7
1886	21	25.7
1887	47	25.7
1888	20	25.7
1890	22	26.3
1894	20	26.3
1895	31	26.3
1896	22	26.3
1897	23	26.3
1898	30	26.3
1899	36	26.3
1900	34	21.8
1901	31	21.8
1902	11	21.8
1903	13	21.8
1904	8	21.8
1905	12	21.8
1906	33	21.8
1907	23	21.8
1908	28	21.8
1909	25	21.8
1910	28	28.8
1911	36	28.8
1912	17	28.8
1913	31	28.8
1914	32	28.8
1922	16	16.2
1923	24	16.2
1924	12	16.2
1925	19	16.2
1926	10	16.2
1931	35	31.3
1932	16	31.3
1933	35	31.3
1934	40	31.3
1935	25	31.3
1936	47	31.3
1937	24	31.3
1938	30	31.3
1939	30	31.3
1940	24	27.6
1941	38	27.6
1942	20	27.6
1943	21	27.6
1944	34	27.6
1945	23	27.6
1946	24	27.6
1947	26	27.6
1948	24	27.6
1949	42	27.6
1950	13	21.6
1951	10	21.6
1952	38	21.6
1953	26	21.6
1954	25	21.6
1955	41	21.6
1956	12	21.6
1959	8	21.6
1960	11	11.5
1961	12	11.5

For each year, a bar from the first to the last day at Brantford meeting 30 C (86 F).

First to last qualifying date each year at Brantford
Year	First date	Last date
1876	1876-05-20	1876-08-31
1882	1882-06-24	1882-09-19
1884	1884-06-05	1884-09-11
1885	1885-05-18	1885-08-16
1886	1886-06-15	1886-09-09
1887	1887-05-13	1887-09-14
1888	1888-04-29	1888-08-17
1890	1890-06-23	1890-08-16
1894	1894-06-15	1894-09-04
1895	1895-05-04	1895-09-21
1896	1896-05-08	1896-09-11
1897	1897-07-02	1897-10-02
1898	1898-06-07	1898-09-04
1899	1899-06-04	1899-08-31
1900	1900-05-14	1900-09-11
1901	1901-06-24	1901-09-07
1902	1902-05-22	1902-08-31
1903	1903-05-18	1903-09-16
1904	1904-05-25	1904-09-02
1905	1905-06-14	1905-08-12
1906	1906-05-18	1906-09-22
1907	1907-06-18	1907-08-19
1908	1908-05-28	1908-09-26
1909	1909-06-21	1909-09-14
1910	1910-06-15	1910-08-17
1911	1911-05-18	1911-09-01
1912	1912-06-28	1912-09-10
1913	1913-06-13	1913-09-07
1914	1914-05-19	1914-09-22
1922	1922-06-07	1922-09-10
1923	1923-06-02	1923-08-11
1924	1924-06-20	1924-08-31
1925	1925-06-01	1925-09-11
1926	1926-06-29	1926-08-13
1931	1931-05-28	1931-09-21
1932	1932-06-06	1932-09-01
1933	1933-06-07	1933-09-08
1934	1934-05-20	1934-08-19
1935	1935-07-03	1935-08-20
1936	1936-05-07	1936-09-23
1937	1937-05-31	1937-09-03
1938	1938-06-20	1938-08-29
1939	1939-05-06	1939-09-16
1940	1940-06-04	1940-09-20
1941	1941-05-20	1941-09-22
1942	1942-04-25	1942-09-17
1943	1943-06-12	1943-09-01
1944	1944-05-29	1944-08-16
1945	1945-06-14	1945-09-08
1946	1946-06-24	1946-10-10
1947	1947-06-10	1947-09-10
1948	1948-06-04	1948-09-19
1949	1949-05-04	1949-08-27
1950	1950-06-08	1950-08-28
1951	1951-07-10	1951-10-05
1952	1952-06-06	1952-09-14
1953	1953-06-20	1953-09-04
1954	1954-06-10	1954-09-05
1955	1955-05-03	1955-09-19
1956	1956-06-11	1956-08-16
1959	1959-07-30	1959-09-09
1960	1960-07-09	1960-09-08
1961	1961-06-12	1961-09-13

Every Fixed Threshold

Fixed thresholds at Brantford
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	63	47	1887	12
35 C (95 F): Days	39	10	1887	9
40 C (104 F): Days	1	5	1936	5
90 F (32.2 C): Days	60	32	1887	1
100 F (37.8 C): Days	9	6	1936	2
0 C (32 F): Ice days (max	63	91	1904	48
0 C (32 F): Frost days (min	61	186	1907	155
-10 C (14 F): Days with min	61	82	1895	39
-20 C (-4 F): Days with min	55	32	1885	6
-30 C (-22 F): Days with min	6	3	1934	1
20 C (68 F): Tropical nights (min	59	16	1931	2
25 C (77 F): Days with min	3	1	1897	1
10 mm (0.39 in): Days with 10 mm or more rain	61	41	1926	27
25 mm (0.98 in): Days with 25 mm or more rain	60	11	1898	4
50 mm (1.97 in): Days with 50 mm or more rain	22	2	1897	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1914	1
10 cm (3.9 in): Days with 10 cm or more snowfall	57	8	1904	4
25 cm (9.8 in): Days with 25 cm or more snowfall	11	3	1884	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1876.

Download the Data

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Brantford Threshold Days by Year (CA006140941)

Key Facts for Brantford Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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