Wytheville Threshold Days by Year (USC00449301)

15 fixed thresholds counted per year at Wytheville (USC00449301): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wytheville Thresholds

Wytheville: days with a maximum temperature at or above 30 C (86 F) in 101 years, most in 2010 with 64.
Wytheville: days with a maximum temperature at or below 0 C (32 F) in 101 years, most in 2010 with 42.
Wytheville: nights with a minimum temperature at or below 0 C (32 F) in 101 years, most in 1997 with 164.
Wytheville: nights with a minimum temperature at or below -10 C (14 F) in 101 years, most in 1968 with 42.
15 fixed thresholds have at least one qualifying day at Wytheville.

Days at or above 30 C (86 F)

101 years with a qualifying day

Days per year at Wytheville with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 64 in 2010.

Days at or above 30 C (86 F) per year at Wytheville
Year	Days	Decade average
1893	7	30
1894	5	30
1898	51	30
1899	57	30
1901	37	46.5
1902	53	46.5
1903	50	46.5
1904	46	46.5
1930	41	28.1
1931	38	28.1
1932	27	28.1
1933	29	28.1
1934	37	28.1
1935	16	28.1
1936	40	28.1
1937	24	28.1
1938	12	28.1
1939	17	28.1
1940	16	28.1
1941	40	28.1
1942	22	28.1
1943	48	28.1
1944	36	28.1
1945	28	28.1
1946	15	28.1
1947	22	28.1
1948	27	28.1
1949	27	28.1
1951	24	25.2
1952	40	25.2
1953	30	25.2
1954	35	25.2
1955	30	25.2
1956	9	25.2
1957	23	25.2
1958	8	25.2
1959	28	25.2
1960	12	23.3
1961	9	23.3
1962	23	23.3
1963	27	23.3
1964	31	23.3
1965	17	23.3
1966	36	23.3
1967	10	23.3
1968	31	23.3
1969	37	23.3
1970	42	28.6
1971	19	28.6
1972	13	28.6
1973	35	28.6
1974	12	28.6
1975	40	28.6
1976	25	28.6
1977	45	28.6
1978	45	28.6
1979	10	28.6
1980	47	38.1
1981	27	38.1
1982	15	38.1
1983	54	38.1
1984	28	38.1
1985	37	38.1
1986	41	38.1
1987	51	38.1
1988	57	38.1
1989	24	38.1
1990	30	31.3
1991	38	31.3
1992	11	31.3
1993	32	31.3
1994	12	31.3
1995	38	31.3
1997	37	31.3
1998	53	31.3
1999	31	31.3
2000	6	17.7
2001	7	17.7
2002	37	17.7
2003	5	17.7
2004	1	17.7
2005	32	17.7
2006	20	17.7
2007	49	17.7
2008	19	17.7
2009	1	17.7
2010	64	36.8
2011	56	36.8
2012	30	36.8
2014	18	36.8
2015	34	36.8
2016	47	36.8
2017	24	36.8
2018	28	36.8
2019	30	36.8
2020	11	25
2022	29	25
2023	14	25
2024	30	25
2025	32	25
2026	34	25

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

First to last qualifying date each year at Wytheville
Year	First date	Last date
1893	1893-07-06	1893-08-25
1894	1894-06-23	1894-09-08
1898	1898-05-21	1898-09-27
1899	1899-04-30	1899-09-08
1901	1901-05-24	1901-09-16
1902	1902-05-03	1902-09-24
1903	1903-05-19	1903-09-11
1904	1904-05-24	1904-09-29
1930	1930-06-23	1930-09-15
1931	1931-05-29	1931-09-23
1932	1932-06-25	1932-09-02
1933	1933-05-25	1933-09-26
1934	1934-05-19	1934-08-13
1935	1935-06-18	1935-08-14
1936	1936-05-10	1936-09-13
1937	1937-05-31	1937-09-04
1938	1938-07-08	1938-08-17
1939	1939-06-17	1939-09-28
1940	1940-05-07	1940-09-21
1941	1941-05-20	1941-10-07
1942	1942-05-02	1942-09-14
1943	1943-06-04	1943-09-09
1944	1944-05-31	1944-09-04
1945	1945-06-13	1945-09-10
1946	1946-06-08	1946-09-09
1947	1947-06-08	1947-09-01
1948	1948-06-21	1948-08-30
1949	1949-05-05	1949-08-13
1951	1951-06-02	1951-09-02
1952	1952-06-06	1952-09-14
1953	1953-06-08	1953-09-30
1954	1954-06-12	1954-09-19
1955	1955-07-02	1955-09-20
1956	1956-06-12	1956-08-18
1957	1957-06-13	1957-09-02
1958	1958-07-02	1958-07-30
1959	1959-06-27	1959-08-26
1960	1960-06-19	1960-09-05
1961	1961-06-11	1961-09-12
1962	1962-05-17	1962-09-14
1963	1963-05-09	1963-09-21
1964	1964-06-09	1964-09-11
1965	1965-07-09	1965-09-21
1966	1966-06-12	1966-08-22
1967	1967-05-27	1967-07-27
1968	1968-06-15	1968-09-24
1969	1969-05-30	1969-09-07
1970	1970-05-20	1970-09-25
1971	1971-06-04	1971-09-15
1972	1972-07-13	1972-08-25
1973	1973-06-02	1973-09-29
1974	1974-06-09	1974-08-28
1975	1975-05-21	1975-09-05
1976	1976-04-17	1976-09-09
1977	1977-05-17	1977-09-06
1978	1978-06-02	1978-09-22
1979	1979-07-17	1979-08-28
1980	1980-06-22	1980-09-04
1981	1981-06-14	1981-08-28
1982	1982-05-14	1982-08-07
1983	1983-06-24	1983-09-12
1984	1984-06-05	1984-09-22
1985	1985-04-21	1985-09-09
1986	1986-04-27	1986-08-17
1987	1987-05-28	1987-09-03
1988	1988-05-30	1988-08-28
1989	1989-05-31	1989-09-11
1990	1990-06-15	1990-09-08
1991	1991-05-19	1991-09-18
1992	1992-07-11	1992-08-26
1993	1993-07-02	1993-09-02
1994	1994-06-16	1994-07-08
1995	1995-06-11	1995-09-01
1997	1997-06-21	1997-10-08
1998	1998-05-16	1998-09-27
1999	1999-06-09	1999-09-04
2000	2000-06-12	2000-06-26
2001	2001-06-15	2001-08-10
2002	2002-06-05	2002-09-11
2003	2003-06-26	2003-08-29
2004	2004-08-20	2004-08-20
2005	2005-06-07	2005-09-24
2006	2006-05-31	2006-08-29
2007	2007-06-09	2007-10-09
2008	2008-06-05	2008-09-15
2009	2009-06-03	2009-06-03
2010	2010-06-12	2010-09-25
2011	2011-05-23	2011-09-04
2012	2012-05-04	2012-09-08
2014	2014-05-13	2014-09-03
2015	2015-05-12	2015-09-05
2016	2016-06-05	2016-09-25
2017	2017-04-30	2017-08-23
2018	2018-05-15	2018-09-08
2019	2019-06-25	2019-10-04
2020	2020-07-05	2020-07-28
2022	2022-05-21	2022-08-10
2023	2023-07-13	2023-09-07
2024	2024-06-18	2024-09-23
2025	2025-06-22	2025-09-20
2026	2026-05-19	2026-09-22

Every Fixed Threshold

Fixed thresholds at Wytheville
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	101	64	2010	34
35 C (95 F): Days	19	7	1988	2
90 F (32.2 C): Days	79	28	1988	10
0 C (32 F): Ice days (max	101	42	2010	16
0 C (32 F): Frost days (min	101	164	1997	71
-10 C (14 F): Days with min	101	42	1968	13
-20 C (-4 F): Days with min	27	6	1989	3
20 C (68 F): Tropical nights (min	61	23	2010	4
25 C (77 F): Days with min	1	2	2010	2
10 mm (0.39 in): Days with 10 mm or more rain	98	53	2003	31
25 mm (0.98 in): Days with 25 mm or more rain	98	22	1901	6
50 mm (1.97 in): Days with 50 mm or more rain	66	5	1901	1
100 mm (3.94 in): Days with 100 mm or more rain	2	1	1964	1
10 cm (3.9 in): Days with 10 cm or more snowfall	71	6	1987	1
25 cm (9.8 in): Days with 25 cm or more snowfall	13	2	1969	2

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 Wytheville 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).

Wytheville Threshold Days by Year (USC00449301)

Key Facts for Wytheville Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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