Kemptville Threshold Days by Year (CA006104025)

17 fixed thresholds counted per year at Kemptville (CA006104025): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kemptville Thresholds

Kemptville: days with a maximum temperature at or above 30 C (86 F) in 52 years, most in 1955 with 42.
Kemptville: days with a maximum temperature at or below 0 C (32 F) in 52 years, most in 1978 with 98.
Kemptville: nights with a minimum temperature at or below 0 C (32 F) in 52 years, most in 1976 with 194.
Kemptville: nights with a minimum temperature at or below -10 C (14 F) in 52 years, most in 1978 with 99.
17 fixed thresholds have at least one qualifying day at Kemptville.

Days at or above 30 C (86 F)

52 years with a qualifying day

Days per year at Kemptville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 42 in 1955.

Days at or above 30 C (86 F) per year at Kemptville
Year	Days	Decade average
1929	16	16
1930	11	16.7
1931	22	16.7
1932	12	16.7
1933	27	16.7
1934	18	16.7
1935	14	16.7
1936	13	16.7
1940	18	24.7
1941	28	24.7
1942	25	24.7
1943	21	24.7
1944	34	24.7
1945	17	24.7
1946	21	24.7
1947	24	24.7
1948	20	24.7
1949	39	24.7
1950	12	18.9
1951	9	18.9
1952	29	18.9
1953	26	18.9
1954	6	18.9
1955	42	18.9
1956	9	18.9
1957	15	18.9
1958	12	18.9
1959	29	18.9
1960	14	13
1961	13	13
1962	14	13
1963	21	13
1964	17	13
1965	7	13
1966	17	13
1967	6	13
1968	8	13
1969	13	13
1970	12	12.1
1971	11	12.1
1972	5	12.1
1973	14	12.1
1974	8	12.1
1975	23	12.1
1976	6	12.1
1977	12	12.1
1978	16	12.1
1979	14	12.1
1980	5	10.5
1981	8	10.5
1982	4	10.5
1983	25	10.5

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

First to last qualifying date each year at Kemptville
Year	First date	Last date
1929	1929-05-28	1929-09-05
1930	1930-05-06	1930-09-02
1931	1931-05-20	1931-09-13
1932	1932-06-15	1932-09-01
1933	1933-06-08	1933-08-12
1934	1934-06-04	1934-08-19
1935	1935-07-04	1935-08-20
1936	1936-05-08	1936-08-19
1940	1940-05-22	1940-08-18
1941	1941-05-21	1941-09-22
1942	1942-05-14	1942-09-18
1943	1943-06-02	1943-09-06
1944	1944-05-23	1944-08-31
1945	1945-06-24	1945-09-08
1946	1946-06-25	1946-09-20
1947	1947-06-11	1947-09-11
1948	1948-06-29	1948-09-29
1949	1949-06-12	1949-08-27
1950	1950-06-08	1950-08-10
1951	1951-06-18	1951-09-13
1952	1952-06-17	1952-09-13
1953	1953-05-10	1953-09-04
1954	1954-07-13	1954-08-25
1955	1955-06-06	1955-09-19
1956	1956-06-13	1956-08-17
1957	1957-06-15	1957-09-03
1958	1958-07-01	1958-08-31
1959	1959-05-22	1959-09-10
1960	1960-06-28	1960-09-08
1961	1961-05-14	1961-09-23
1962	1962-05-16	1962-09-01
1963	1963-06-04	1963-08-03
1964	1964-05-23	1964-07-28
1965	1965-05-26	1965-09-22
1966	1966-06-23	1966-08-09
1967	1967-06-03	1967-08-17
1968	1968-07-01	1968-08-20
1969	1969-06-12	1969-08-31
1970	1970-06-09	1970-08-16
1971	1971-05-19	1971-08-19
1972	1972-05-23	1972-07-21
1973	1973-06-11	1973-09-05
1974	1974-07-04	1974-08-23
1975	1975-05-20	1975-08-25
1976	1976-06-08	1976-08-21
1977	1977-05-17	1977-09-01
1978	1978-05-26	1978-08-19
1979	1979-05-09	1979-08-02
1980	1980-06-24	1980-09-06
1981	1981-06-16	1981-08-02
1982	1982-07-07	1982-07-18
1983	1983-06-12	1983-09-20

Every Fixed Threshold

Fixed thresholds at Kemptville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	52	42	1955	25
35 C (95 F): Days	17	7	1941	1
90 F (32.2 C): Days	42	23	1949	2
100 F (37.8 C): Days	3	4	1944	1
0 C (32 F): Ice days (max	52	98	1978	74
0 C (32 F): Frost days (min	52	194	1976	169
-10 C (14 F): Days with min	52	99	1978	62
-20 C (-4 F): Days with min	52	45	1943	18
-30 C (-22 F): Days with min	35	12	1976	5
20 C (68 F): Tropical nights (min	46	17	1973	6
25 C (77 F): Days with min	2	1	1935	1
10 mm (0.39 in): Days with 10 mm or more rain	52	40	1972	38
25 mm (0.98 in): Days with 25 mm or more rain	51	12	1972	6
50 mm (1.97 in): Days with 50 mm or more rain	17	2	1947	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	10	1950	8
25 cm (9.8 in): Days with 25 cm or more snowfall	16	2	1966	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1947	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1929.

Download the Data

Data for Kemptville 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).

Kemptville Threshold Days by Year (CA006104025)

Key Facts for Kemptville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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