Valley Threshold Days by Year (UK000003302)

7 fixed thresholds counted per year at Valley (UK000003302): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Valley Thresholds

Valley: nights with a minimum temperature at or below 0 C (32 F) in 95 years, most in 1963 with 59.
Valley: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 2000 with 36.
Valley: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 2008 with 7.
Valley: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1947 with 5.
7 fixed thresholds have at least one qualifying day at Valley.

Nights at or below 0 C (32 F)

95 years with a qualifying day

Days per year at Valley with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 59 in 1963.

Nights at or below 0 C (32 F) per year at Valley
Year	Days	Decade average
1931	6	5.9
1932	5	5.9
1933	14	5.9
1934	2	5.9
1935	4	5.9
1936	7	5.9
1937	6	5.9
1938	4	5.9
1939	5	5.9
1940	27	29.9
1941	22	29.9
1942	40	29.9
1943	28	29.9
1944	23	29.9
1945	29	29.9
1946	32	29.9
1947	58	29.9
1948	23	29.9
1949	17	29.9
1950	32	29
1951	19	29
1952	37	29
1953	21	29
1954	26	29
1955	49	29
1956	37	29
1957	14	29
1958	33	29
1959	22	29
1960	29	29.8
1961	25	29.8
1962	32	29.8
1963	59	29.8
1964	22	29.8
1965	35	29.8
1966	15	29.8
1967	20	29.8
1968	26	29.8
1969	35	29.8
1970	28	17.4
1971	10	17.4
1972	12	17.4
1973	17	17.4
1974	3	17.4
1975	9	17.4
1976	18	17.4
1977	19	17.4
1978	28	17.4
1979	30	17.4
1980	19	24
1981	29	24
1982	23	24
1983	17	24
1984	15	24
1985	41	24
1986	34	24
1987	45	24
1988	7	24
1989	10	24
1990	7	18.3
1991	28	18.3
1992	23	18.3
1993	12	18.3
1994	14	18.3
1995	17	18.3
1996	39	18.3
1997	23	18.3
1998	9	18.3
1999	11	18.3
2000	12	19
2001	34	19
2002	11	19
2003	27	19
2004	17	19
2005	15	19
2006	14	19
2007	15	19
2008	22	19
2009	23	19
2010	52	17.3
2011	15	17.3
2012	18	17.3
2014	2	17.3
2015	13	17.3
2016	12	17.3
2017	11	17.3
2018	24	17.3
2019	9	17.3
2020	4	10
2021	27	10
2022	10	10
2023	10	10
2024	7	10
2025	9	10
2026	3	10

For each year, a bar from the first to the last day at Valley meeting 0 C (32 F).

First to last qualifying date each year at Valley
Year	First date	Last date
1931	1931-03-02	1931-03-10
1932	1932-02-16	1932-03-13
1933	1933-01-12	1933-12-11
1934	1934-02-26	1934-02-27
1935	1935-12-14	1935-12-24
1936	1936-01-16	1936-03-04
1937	1937-01-30	1937-03-12
1938	1938-12-19	1938-12-22
1939	1939-01-06	1939-12-30
1940	1940-01-03	1940-03-08
1941	1941-01-03	1941-12-31
1942	1942-01-11	1942-11-25
1943	1943-01-04	1943-12-24
1944	1944-01-11	1944-12-29
1945	1945-01-01	1945-11-28
1946	1946-01-02	1946-12-24
1947	1947-01-07	1947-12-31
1948	1948-01-23	1948-12-26
1949	1949-01-04	1949-12-10
1950	1950-01-20	1950-12-29
1951	1951-01-01	1951-12-21
1952	1952-01-01	1952-12-28
1953	1953-01-02	1953-04-10
1954	1954-01-05	1954-11-17
1955	1955-01-02	1955-12-22
1956	1956-01-09	1956-12-27
1957	1957-01-18	1957-12-25
1958	1958-01-04	1958-12-10
1959	1959-01-04	1959-11-12
1960	1960-01-06	1960-12-16
1961	1961-01-05	1961-12-31
1962	1962-01-01	1962-12-31
1963	1963-01-07	1963-12-25
1964	1964-01-11	1964-12-29
1965	1965-01-03	1965-12-29
1966	1966-01-11	1966-04-04
1967	1967-01-05	1967-12-20
1968	1968-01-08	1968-12-28
1969	1969-01-06	1969-12-30
1970	1970-01-04	1970-12-31
1971	1971-01-01	1971-12-03
1972	1972-01-04	1972-12-25
1973	1973-01-17	1973-12-31
1974	1974-03-05	1974-11-20
1975	1975-01-18	1975-03-28
1976	1976-01-26	1976-12-26
1977	1977-01-03	1977-11-30
1978	1978-01-13	1978-12-31
1979	1979-01-01	1979-12-23
1980	1980-01-01	1980-12-08
1981	1981-01-07	1981-12-28
1982	1982-01-06	1982-12-23
1983	1983-02-04	1983-12-11
1984	1984-01-09	1984-12-17
1985	1985-01-03	1985-12-30
1986	1986-01-04	1986-11-02
1987	1987-01-03	1987-12-15
1988	1988-03-02	1988-11-25
1989	1989-02-17	1989-12-19
1990	1990-02-16	1990-12-18
1991	1991-01-13	1991-12-12
1992	1992-01-10	1992-12-31
1993	1993-02-01	1993-12-27
1994	1994-01-06	1994-12-23
1995	1995-01-03	1995-12-31
1996	1996-01-22	1996-12-30
1997	1997-01-01	1997-12-18
1998	1998-01-20	1998-12-07
1999	1999-01-09	1999-12-20
2000	2000-01-16	2000-12-31
2001	2001-01-13	2001-12-31
2002	2002-01-01	2002-12-20
2003	2003-01-05	2003-12-31
2004	2004-01-17	2004-12-20
2005	2005-01-23	2005-12-29
2006	2006-01-05	2006-04-05
2007	2007-01-25	2007-12-22
2008	2008-01-04	2008-12-31
2009	2009-01-01	2009-12-29
2010	2010-01-01	2010-12-26
2011	2011-01-07	2011-03-16
2012	2012-01-15	2012-12-14
2014	2014-01-31	2014-12-29
2015	2015-01-18	2015-04-27
2016	2016-01-16	2016-12-05
2017	2017-01-02	2017-12-12
2018	2018-01-08	2018-12-14
2019	2019-01-02	2019-12-02
2020	2020-01-19	2020-12-31
2021	2021-01-01	2021-12-22
2022	2022-03-01	2022-12-16
2023	2023-01-17	2023-12-02
2024	2024-01-08	2024-12-12
2025	2025-01-08	2025-11-21
2026	2026-01-10	2026-03-07

Every Fixed Threshold

Fixed thresholds at Valley
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	2	1	1950	1
0 C (32 F): Ice days (max	13	5	1947	1
0 C (32 F): Frost days (min	95	59	1963	3
-10 C (14 F): Days with min	3	2	1945	1
10 mm (0.39 in): Days with 10 mm or more rain	40	36	2000	5
25 mm (0.98 in): Days with 25 mm or more rain	32	7	2008	5
50 mm (1.97 in): Days with 50 mm or more rain	2	1	2014	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

Data for Valley 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).

Valley Threshold Days by Year (UK000003302)

Key Facts for Valley Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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