Falmouth Threshold Days by Year (USC00152775)

17 fixed thresholds counted per year at Falmouth (USC00152775): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Falmouth Thresholds

Falmouth: days with 10 mm (0.39 in) or more of precipitation in 106 years, most in 1907 with 52.
Falmouth: days with 25 mm (0.98 in) or more of precipitation in 106 years, most in 1957 with 18.
Falmouth: days with 50 mm (1.97 in) or more of precipitation in 83 years, most in 1957 with 5.
Falmouth: days with a maximum temperature at or above 30 C (86 F) in 39 years, most in 1987 with 95.
17 fixed thresholds have at least one qualifying day at Falmouth.

Days at or above 30 C (86 F)

39 years with a qualifying day

Days per year at Falmouth with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 95 in 1987.

Days at or above 30 C (86 F) per year at Falmouth
Year	Days	Decade average
1956	74	73
1957	73	73
1958	56	73
1959	89	73
1960	68	64
1961	49	64
1962	80	64
1963	72	64
1964	74	64
1965	62	64
1966	68	64
1967	43	64
1968	55	64
1969	69	64
1970	80	56.5
1971	61	56.5
1972	50	56.5
1973	61	56.5
1974	38	56.5
1977	60	56.5
1978	60	56.5
1979	42	56.5
1980	71	62.7
1981	47	62.7
1982	42	62.7
1983	79	62.7
1984	76	62.7
1985	60	62.7
1986	65	62.7
1987	95	62.7
1988	63	62.7
1989	29	62.7
1990	47	55.6
1991	71	55.6
1992	23	55.6
1993	56	55.6
1994	60	55.6
1995	72	55.6
1996	60	55.6

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

First to last qualifying date each year at Falmouth
Year	First date	Last date
1956	1956-04-27	1956-09-22
1957	1957-04-20	1957-09-21
1958	1958-04-18	1958-09-26
1959	1959-05-02	1959-10-05
1960	1960-04-23	1960-09-23
1961	1961-06-01	1961-09-25
1962	1962-04-27	1962-10-16
1963	1963-04-02	1963-10-27
1964	1964-05-06	1964-09-21
1965	1965-05-03	1965-09-22
1966	1966-05-08	1966-09-12
1967	1967-05-25	1967-09-20
1968	1968-06-05	1968-09-28
1969	1969-05-04	1969-10-13
1970	1970-04-29	1970-09-25
1971	1971-06-03	1971-10-02
1972	1972-05-25	1972-09-21
1973	1973-06-03	1973-09-28
1974	1974-05-17	1974-08-27
1977	1977-04-13	1977-09-08
1978	1978-05-27	1978-09-22
1979	1979-05-12	1979-09-13
1980	1980-05-06	1980-09-23
1981	1981-04-27	1981-10-01
1982	1982-05-07	1982-10-07
1983	1983-06-12	1983-10-04
1984	1984-05-20	1984-09-23
1985	1985-04-22	1985-10-14
1986	1986-04-27	1986-10-01
1987	1987-04-22	1987-09-29
1988	1988-05-16	1988-09-14
1989	1989-06-01	1989-09-12
1990	1990-04-26	1990-09-30
1991	1991-04-08	1991-09-18
1992	1992-06-17	1992-09-15
1993	1993-05-10	1993-09-15
1994	1994-05-24	1994-09-17
1995	1995-05-25	1995-09-15
1996	1996-05-10	1996-09-12

Every Fixed Threshold

Fixed thresholds at Falmouth
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	39	95	1987	60
35 C (95 F): Days	32	19	1988	2
90 F (32.2 C): Days	39	56	1959	21
100 F (37.8 C): Days	4	4	1988	4
0 C (32 F): Ice days (max	39	47	1978	26
0 C (32 F): Frost days (min	38	148	1988	124
-10 C (14 F): Days with min	38	48	1963	24
-20 C (-4 F): Days with min	26	18	1977	2
-30 C (-22 F): Days with min	3	2	1963	1
20 C (68 F): Tropical nights (min	38	41	1977	9
25 C (77 F): Days with min	1	1	1990	1
10 mm (0.39 in): Days with 10 mm or more rain	106	52	1907	31
25 mm (0.98 in): Days with 25 mm or more rain	106	18	1957	7
50 mm (1.97 in): Days with 50 mm or more rain	83	5	1957	1
100 mm (3.94 in): Days with 100 mm or more rain	8	1	1917	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	4	1993	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1994	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

Data for Falmouth 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).

Falmouth Threshold Days by Year (USC00152775)

Key Facts for Falmouth Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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