Framingham Threshold Days by Year (USC00192975)

20 fixed thresholds counted per year at Framingham (USC00192975): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Framingham Thresholds

Framingham: days with a maximum temperature at or above 30 C (86 F) in 91 years, most in 1949 with 63.
Framingham: days with a maximum temperature at or above 90 F (32.2 C) in 91 years, most in 1944 with 40.
Framingham: days with a maximum temperature at or below 0 C (32 F) in 91 years, most in 1904 with 53.
Framingham: nights with a minimum temperature at or below 0 C (32 F) in 91 years, most in 1907 with 176.
20 fixed thresholds have at least one qualifying day at Framingham.

Days at or above 30 C (86 F)

91 years with a qualifying day

Days per year at Framingham with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 63 in 1949.

Days at or above 30 C (86 F) per year at Framingham
Year	Days	Decade average
1893	30	32.3
1894	39	32.3
1895	30	32.3
1897	20	32.3
1898	37	32.3
1899	38	32.3
1900	43	26.7
1901	35	26.7
1902	16	26.7
1903	19	26.7
1904	14	26.7
1905	22	26.7
1906	27	26.7
1907	34	26.7
1908	33	26.7
1909	24	26.7
1910	26	27.7
1911	38	27.7
1912	27	27.7
1913	25	27.7
1914	28	27.7
1915	21	27.7
1916	24	27.7
1917	26	27.7
1918	31	27.7
1919	31	27.7
1920	29	28.2
1921	34	28.2
1922	28	28.2
1923	31	28.2
1924	31	28.2
1925	29	28.2
1926	14	28.2
1927	15	28.2
1928	27	28.2
1929	44	28.2
1930	41	41.7
1931	39	41.7
1932	29	41.7
1933	38	41.7
1934	38	41.7
1935	44	41.7
1936	45	41.7
1937	48	41.7
1938	47	41.7
1939	48	41.7
1940	30	47.4
1941	49	47.4
1942	45	47.4
1943	49	47.4
1944	59	47.4
1945	48	47.4
1946	30	47.4
1947	52	47.4
1948	49	47.4
1949	63	47.4
1950	44	42.6
1951	35	42.6
1952	52	42.6
1953	45	42.6
1954	27	42.6
1955	55	42.6
1956	34	42.6
1957	40	42.6
1958	34	42.6
1959	60	42.6
1960	42	39.7
1961	50	39.7
1962	32	39.7
1963	42	39.7
1964	29	39.7
1965	49	39.7
1966	51	39.7
1967	34	39.7
1968	30	39.7
1969	38	39.7
1970	39	36.9
1971	48	36.9
1974	38	36.9
1975	39	36.9
1976	42	36.9
1977	35	36.9
1978	33	36.9
1979	21	36.9
1980	33	29.4
1981	19	29.4
1982	22	29.4
1983	54	29.4
1984	35	29.4
1985	24	29.4
1986	19	29.4

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

First to last qualifying date each year at Framingham
Year	First date	Last date
1893	1893-05-12	1893-08-28
1894	1894-05-02	1894-09-10
1895	1895-05-04	1895-09-24
1897	1897-06-19	1897-10-16
1898	1898-06-08	1898-09-30
1899	1899-05-01	1899-09-01
1900	1900-05-15	1900-09-06
1901	1901-05-22	1901-09-08
1902	1902-05-23	1902-09-01
1903	1903-05-18	1903-09-15
1904	1904-05-26	1904-08-01
1905	1905-06-15	1905-08-24
1906	1906-05-16	1906-09-19
1907	1907-06-18	1907-09-21
1908	1908-05-27	1908-08-15
1909	1909-06-21	1909-08-26
1910	1910-05-24	1910-08-25
1911	1911-05-11	1911-08-23
1912	1912-06-02	1912-09-11
1913	1913-06-16	1913-09-02
1914	1914-05-26	1914-09-24
1915	1915-06-14	1915-09-17
1916	1916-07-02	1916-09-14
1917	1917-06-14	1917-08-24
1918	1918-05-06	1918-08-26
1919	1919-05-29	1919-09-09
1920	1920-05-28	1920-09-27
1921	1921-05-21	1921-09-03
1922	1922-06-05	1922-08-19
1923	1923-04-21	1923-09-10
1924	1924-06-22	1924-09-03
1925	1925-06-03	1925-09-12
1926	1926-06-30	1926-09-26
1927	1927-04-20	1927-10-01
1928	1928-06-14	1928-10-12
1929	1929-05-28	1929-09-10
1930	1930-05-02	1930-09-26
1931	1931-05-28	1931-09-23
1932	1932-05-16	1932-09-05
1933	1933-05-20	1933-08-28
1934	1934-05-05	1934-08-20
1935	1935-05-27	1935-08-22
1936	1936-05-01	1936-09-10
1937	1937-05-30	1937-09-05
1938	1938-04-28	1938-08-23
1939	1939-05-28	1939-09-17
1940	1940-06-03	1940-09-22
1941	1941-04-20	1941-10-05
1942	1942-04-30	1942-09-17
1943	1943-05-17	1943-09-09
1944	1944-05-04	1944-09-03
1945	1945-04-13	1945-09-29
1946	1946-05-25	1946-09-20
1947	1947-05-14	1947-10-18
1948	1948-05-11	1948-09-30
1949	1949-05-05	1949-10-12
1950	1950-06-07	1950-10-04
1951	1951-05-16	1951-09-14
1952	1952-06-04	1952-09-30
1953	1953-05-11	1953-09-08
1954	1954-04-21	1954-10-14
1955	1955-05-05	1955-09-20
1956	1956-06-01	1956-10-17
1957	1957-05-10	1957-09-17
1958	1958-05-20	1958-09-27
1959	1959-05-12	1959-10-01
1960	1960-05-07	1960-09-10
1961	1961-05-15	1961-09-27
1962	1962-04-28	1962-09-15
1963	1963-05-10	1963-10-28
1964	1964-05-08	1964-09-12
1965	1965-05-10	1965-09-24
1966	1966-05-28	1966-09-03
1967	1967-06-03	1967-08-31
1968	1968-06-07	1968-09-23
1969	1969-04-29	1969-09-03
1970	1970-05-11	1970-09-26
1971	1971-06-08	1971-10-03
1974	1974-04-23	1974-09-14
1975	1975-05-20	1975-08-23
1976	1976-04-18	1976-09-15
1977	1977-04-14	1977-09-03
1978	1978-05-21	1978-09-22
1979	1979-05-10	1979-08-31
1980	1980-05-23	1980-09-23
1981	1981-05-26	1981-09-15
1982	1982-06-30	1982-09-13
1983	1983-06-13	1983-09-21
1984	1984-05-24	1984-09-25
1985	1985-05-12	1985-09-22
1986	1986-05-19	1986-08-10

Every Fixed Threshold

Fixed thresholds at Framingham
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	91	63	1949	19
35 C (95 F): Days	69	19	1949	2
40 C (104 F): Days	3	1	1911	1
90 F (32.2 C): Days	91	40	1944	5
100 F (37.8 C): Days	13	6	1911	1
0 C (32 F): Ice days (max	91	53	1904	28
0 C (32 F): Frost days (min	91	176	1907	127
-10 C (14 F): Days with min	91	64	1904	28
-20 C (-4 F): Days with min	72	12	1904	6
-30 C (-22 F): Days with min	1	1	1904	1
20 C (68 F): Tropical nights (min	89	27	1984	13
25 C (77 F): Days with min	6	2	1982	2
10 mm (0.39 in): Days with 10 mm or more rain	79	50	1983	33
25 mm (0.98 in): Days with 25 mm or more rain	79	22	1901	12
50 mm (1.97 in): Days with 50 mm or more rain	71	8	1901	5
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1955	1
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1895	1
10 cm (3.9 in): Days with 10 cm or more snowfall	38	11	1956	6
25 cm (9.8 in): Days with 25 cm or more snowfall	16	3	1967	1
50 cm (19.7 in): Days with 50 cm or more snowfall	1	1	1969	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Framingham 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).

Framingham Threshold Days by Year (USC00192975)

Key Facts for Framingham Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related