Montreal/Pierre Elliott Trudea Threshold Days by Year (CA007025250)
15 fixed thresholds counted per year at Montreal/Pierre Elliott Trudea (CA007025250): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Montreal/Pierre Elliott Trudea Thresholds
- Montreal/Pierre Elliott Trudea: days with a maximum temperature at or above 30 C (86 F) in 42 years, most in 1955 with 33.
- Montreal/Pierre Elliott Trudea: days with a maximum temperature at or below 0 C (32 F) in 42 years, most in 1978 with 99.
- Montreal/Pierre Elliott Trudea: nights with a minimum temperature at or below 0 C (32 F) in 42 years, most in 1974 with 180.
- Montreal/Pierre Elliott Trudea: nights with a minimum temperature at or below -10 C (14 F) in 42 years, most in 1970 with 89.
- 15 fixed thresholds have at least one qualifying day at Montreal/Pierre Elliott Trudea.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1942 | 8 | 15.8 |
| 1943 | 8 | 15.8 |
| 1944 | 23 | 15.8 |
| 1945 | 9 | 15.8 |
| 1946 | 13 | 15.8 |
| 1947 | 20 | 15.8 |
| 1948 | 16 | 15.8 |
| 1949 | 29 | 15.8 |
| 1950 | 5 | 11.5 |
| 1951 | 1 | 11.5 |
| 1952 | 9 | 11.5 |
| 1953 | 20 | 11.5 |
| 1954 | 2 | 11.5 |
| 1955 | 33 | 11.5 |
| 1956 | 4 | 11.5 |
| 1957 | 12 | 11.5 |
| 1958 | 3 | 11.5 |
| 1959 | 26 | 11.5 |
| 1960 | 13 | 9.3 |
| 1961 | 9 | 9.3 |
| 1962 | 12 | 9.3 |
| 1963 | 15 | 9.3 |
| 1964 | 10 | 9.3 |
| 1965 | 5 | 9.3 |
| 1966 | 10 | 9.3 |
| 1967 | 3 | 9.3 |
| 1968 | 6 | 9.3 |
| 1969 | 10 | 9.3 |
| 1970 | 20 | 10.8 |
| 1971 | 12 | 10.8 |
| 1972 | 5 | 10.8 |
| 1973 | 16 | 10.8 |
| 1974 | 2 | 10.8 |
| 1975 | 15 | 10.8 |
| 1976 | 4 | 10.8 |
| 1977 | 10 | 10.8 |
| 1978 | 12 | 10.8 |
| 1979 | 12 | 10.8 |
| 1980 | 2 | 7.8 |
| 1981 | 2 | 7.8 |
| 1982 | 8 | 7.8 |
| 1983 | 19 | 7.8 |
| Year | First date | Last date |
|---|---|---|
| 1942 | 1942-06-11 | 1942-09-18 |
| 1943 | 1943-06-25 | 1943-08-02 |
| 1944 | 1944-05-04 | 1944-08-22 |
| 1945 | 1945-06-30 | 1945-09-08 |
| 1946 | 1946-06-25 | 1946-08-09 |
| 1947 | 1947-06-11 | 1947-09-11 |
| 1948 | 1948-06-29 | 1948-09-08 |
| 1949 | 1949-06-13 | 1949-08-27 |
| 1950 | 1950-06-08 | 1950-07-13 |
| 1951 | 1951-07-26 | 1951-07-26 |
| 1952 | 1952-07-03 | 1952-08-28 |
| 1953 | 1953-05-10 | 1953-09-04 |
| 1954 | 1954-07-13 | 1954-08-25 |
| 1955 | 1955-06-18 | 1955-08-22 |
| 1956 | 1956-06-12 | 1956-06-15 |
| 1957 | 1957-06-15 | 1957-08-09 |
| 1958 | 1958-07-24 | 1958-08-31 |
| 1959 | 1959-06-09 | 1959-09-29 |
| 1960 | 1960-06-28 | 1960-09-09 |
| 1961 | 1961-05-15 | 1961-09-23 |
| 1962 | 1962-05-17 | 1962-08-31 |
| 1963 | 1963-06-04 | 1963-07-29 |
| 1964 | 1964-06-19 | 1964-07-28 |
| 1965 | 1965-06-28 | 1965-09-22 |
| 1966 | 1966-06-23 | 1966-08-09 |
| 1967 | 1967-06-03 | 1967-06-05 |
| 1968 | 1968-07-14 | 1968-07-22 |
| 1969 | 1969-06-12 | 1969-08-31 |
| 1970 | 1970-06-02 | 1970-08-20 |
| 1971 | 1971-05-19 | 1971-08-19 |
| 1972 | 1972-06-15 | 1972-07-21 |
| 1973 | 1973-06-06 | 1973-09-05 |
| 1974 | 1974-06-10 | 1974-07-14 |
| 1975 | 1975-05-20 | 1975-08-26 |
| 1976 | 1976-06-07 | 1976-06-23 |
| 1977 | 1977-05-17 | 1977-08-29 |
| 1978 | 1978-05-27 | 1978-08-16 |
| 1979 | 1979-05-09 | 1979-08-02 |
| 1980 | 1980-06-24 | 1980-06-25 |
| 1981 | 1981-06-16 | 1981-07-08 |
| 1982 | 1982-07-07 | 1982-07-22 |
| 1983 | 1983-06-12 | 1983-09-20 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 33 | 1955 | 19 |
| 35 C (95 F): Days | 6 | 3 | 1955 | 1 |
| 90 F (32.2 C): Days | 30 | 12 | 1955 | 2 |
| 0 C (32 F): Ice days (max | 42 | 99 | 1978 | 57 |
| 0 C (32 F): Frost days (min | 42 | 180 | 1974 | 148 |
| -10 C (14 F): Days with min | 42 | 89 | 1970 | 52 |
| -20 C (-4 F): Days with min | 42 | 34 | 1970 | 13 |
| -30 C (-22 F): Days with min | 18 | 4 | 1976 | 2 |
| 20 C (68 F): Tropical nights (min | 42 | 27 | 1955 | 5 |
| 25 C (77 F): Days with min | 2 | 2 | 1944 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 42 | 44 | 1975 | 40 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 42 | 11 | 1945 | 10 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 13 | 2 | 1952 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 42 | 11 | 1958 | 8 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 12 | 3 | 1954 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1942.
Download the Data
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 . Last revised (2026-10-17).