Regina Threshold Days by Year (USC00297346)

17 fixed thresholds counted per year at Regina (USC00297346): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Regina Thresholds

Regina: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1941 with 25.
Regina: days with a maximum temperature at or above 30 C (86 F) in 43 years, most in 1934 with 57.
Regina: days with a maximum temperature at or below 0 C (32 F) in 43 years, most in 1964 with 34.
Regina: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1930 with 234.
17 fixed thresholds have at least one qualifying day at Regina.

Days at or above 30 C (86 F)

43 years with a qualifying day

Days per year at Regina with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 57 in 1934.

Days at or above 30 C (86 F) per year at Regina
Year	Days	Decade average
1917	29	29
1923	20	30.3
1924	36	30.3
1925	32	30.3
1926	33	30.3
1928	36	30.3
1929	25	30.3
1930	30	27.9
1931	11	27.9
1933	27	27.9
1934	57	27.9
1937	24	27.9
1938	12	27.9
1939	34	27.9
1940	39	34.8
1941	7	34.8
1942	38	34.8
1943	34	34.8
1944	41	34.8
1945	40	34.8
1946	35	34.8
1947	30	34.8
1948	48	34.8
1949	36	34.8
1950	26	30.6
1951	45	30.6
1952	34	30.6
1953	36	30.6
1954	29	30.6
1955	16	30.6
1956	32	30.6
1957	18	30.6
1958	28	30.6
1959	42	30.6
1960	47	22.4
1961	22	22.4
1962	24	22.4
1963	32	22.4
1964	19	22.4
1965	12	22.4
1966	24	22.4
1967	9	22.4
1968	13	22.4

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

First to last qualifying date each year at Regina
Year	First date	Last date
1917	1917-06-24	1917-09-06
1923	1923-06-13	1923-08-03
1924	1924-06-11	1924-09-08
1925	1925-05-18	1925-08-17
1926	1926-06-24	1926-08-30
1928	1928-05-01	1928-08-21
1929	1929-06-21	1929-08-30
1930	1930-06-12	1930-08-31
1931	1931-06-21	1931-07-28
1933	1933-06-02	1933-09-06
1934	1934-05-29	1934-09-05
1937	1937-06-18	1937-08-13
1938	1938-07-09	1938-08-23
1939	1939-06-11	1939-08-31
1940	1940-06-14	1940-08-17
1941	1941-07-08	1941-08-02
1942	1942-06-17	1942-08-11
1943	1943-06-18	1943-08-22
1944	1944-06-19	1944-09-08
1945	1945-06-22	1945-09-10
1946	1946-06-04	1946-08-02
1947	1947-05-05	1947-09-03
1948	1948-05-22	1948-09-13
1949	1949-06-16	1949-08-31
1950	1950-06-15	1950-09-02
1951	1951-05-27	1951-09-03
1952	1952-06-09	1952-09-07
1953	1953-06-09	1953-08-26
1954	1954-06-17	1954-08-29
1955	1955-06-21	1955-09-06
1956	1956-05-31	1956-09-14
1957	1957-06-25	1957-08-04
1958	1958-06-06	1958-09-01
1959	1959-06-06	1959-09-07
1960	1960-06-17	1960-09-06
1961	1961-06-10	1961-08-10
1962	1962-06-20	1962-08-27
1963	1963-06-21	1963-08-16
1964	1964-06-15	1964-07-27
1965	1965-06-29	1965-08-13
1966	1966-06-18	1966-08-11
1967	1967-07-01	1967-07-28
1968	1968-06-18	1968-07-22

Every Fixed Threshold

Fixed thresholds at Regina
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	43	57	1934	13
35 C (95 F): Days	5	10	1925	1
40 C (104 F): Days	1	2	1925	2
90 F (32.2 C): Days	41	26	1934	3
100 F (37.8 C): Days	1	5	1925	5
0 C (32 F): Ice days (max	43	34	1964	18
0 C (32 F): Frost days (min	43	234	1930	215
-10 C (14 F): Days with min	43	98	1917	67
-20 C (-4 F): Days with min	43	21	1931	8
-30 C (-22 F): Days with min	9	2	1924	1
20 C (68 F): Tropical nights (min	1	2	1933	2
10 mm (0.39 in): Days with 10 mm or more rain	45	25	1941	12
25 mm (0.98 in): Days with 25 mm or more rain	30	4	1929	3
50 mm (1.97 in): Days with 50 mm or more rain	3	1	1923	1
10 cm (3.9 in): Days with 10 cm or more snowfall	40	12	1924	5
25 cm (9.8 in): Days with 25 cm or more snowfall	11	4	1931	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	2	1931	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

Data for Regina 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Regina Threshold Days by Year (USC00297346)

Key Facts for Regina Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related