Raleigh AP Threshold Days by Year (USW00013722)

17 fixed thresholds counted per year at Raleigh AP (USW00013722): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Raleigh AP Thresholds

Raleigh AP: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 2010 with 125.
Raleigh AP: days with a maximum temperature at or above 90 F (32.2 C) in 82 years, most in 2010 with 91.
Raleigh AP: nights with a minimum temperature at or below 0 C (32 F) in 82 years, most in 1969 with 104.
Raleigh AP: nights with a minimum temperature at or above 20 C (68 F) in 82 years, most in 2018 with 106.
17 fixed thresholds have at least one qualifying day at Raleigh AP.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Raleigh AP with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 125 in 2010.

Days at or above 30 C (86 F) per year at Raleigh AP
Year	Days	Decade average
1945	89	79.2
1946	59	79.2
1947	80	79.2
1948	89	79.2
1949	79	79.2
1950	79	88
1951	91	88
1952	98	88
1953	98	88
1954	110	88
1955	78	88
1956	87	88
1957	88	88
1958	76	88
1959	75	88
1960	75	70.9
1961	77	70.9
1962	74	70.9
1963	70	70.9
1964	62	70.9
1965	83	70.9
1966	81	70.9
1967	57	70.9
1968	69	70.9
1969	61	70.9
1970	75	72.2
1971	70	72.2
1972	58	72.2
1973	67	72.2
1974	60	72.2
1975	77	72.2
1976	76	72.2
1977	92	72.2
1978	100	72.2
1979	47	72.2
1980	102	80.8
1981	67	80.8
1982	78	80.8
1983	81	80.8
1984	64	80.8
1985	69	80.8
1986	96	80.8
1987	92	80.8
1988	81	80.8
1989	78	80.8
1990	94	83.2
1991	90	83.2
1992	67	83.2
1993	99	83.2
1994	76	83.2
1995	75	83.2
1996	72	83.2
1997	78	83.2
1998	103	83.2
1999	78	83.2
2000	80	90.7
2001	83	90.7
2002	110	90.7
2003	66	90.7
2004	73	90.7
2005	100	90.7
2006	83	90.7
2007	116	90.7
2008	101	90.7
2009	95	90.7
2010	125	99.1
2011	105	99.1
2012	89	99.1
2013	73	99.1
2014	78	99.1
2015	101	99.1
2016	104	99.1
2017	95	99.1
2018	109	99.1
2019	112	99.1
2020	91	101.6
2021	92	101.6
2022	106	101.6
2023	99	101.6
2024	100	101.6
2025	94	101.6
2026	129	101.6

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

First to last qualifying date each year at Raleigh AP
Year	First date	Last date
1945	1945-03-16	1945-09-29
1946	1946-04-03	1946-09-23
1947	1947-05-14	1947-10-22
1948	1948-03-20	1948-09-21
1949	1949-03-27	1949-09-19
1950	1950-04-24	1950-11-01
1951	1951-04-26	1951-10-07
1952	1952-04-20	1952-10-02
1953	1953-04-10	1953-10-01
1954	1954-04-07	1954-10-13
1955	1955-04-19	1955-09-20
1956	1956-04-30	1956-09-23
1957	1957-04-21	1957-09-22
1958	1958-04-19	1958-10-10
1959	1959-04-08	1959-10-04
1960	1960-04-23	1960-09-20
1961	1961-04-24	1961-09-26
1962	1962-05-01	1962-10-11
1963	1963-04-03	1963-09-21
1964	1964-04-19	1964-09-23
1965	1965-04-12	1965-09-23
1966	1966-04-24	1966-09-11
1967	1967-03-15	1967-09-16
1968	1968-03-21	1968-10-03
1969	1969-05-05	1969-09-07
1970	1970-04-23	1970-09-27
1971	1971-04-13	1971-09-16
1972	1972-04-15	1972-09-19
1973	1973-03-14	1973-10-05
1974	1974-03-08	1974-09-29
1975	1975-05-20	1975-10-14
1976	1976-03-03	1976-09-27
1977	1977-04-11	1977-10-02
1978	1978-04-01	1978-09-22
1979	1979-06-02	1979-09-22
1980	1980-04-23	1980-09-23
1981	1981-04-27	1981-10-06
1982	1982-05-07	1982-09-18
1983	1983-04-28	1983-10-13
1984	1984-04-27	1984-09-26
1985	1985-03-29	1985-10-15
1986	1986-03-31	1986-10-05
1987	1987-04-30	1987-09-18
1988	1988-05-16	1988-09-24
1989	1989-03-29	1989-10-15
1990	1990-03-12	1990-10-09
1991	1991-04-29	1991-09-19
1992	1992-04-17	1992-09-27
1993	1993-05-11	1993-11-15
1994	1994-04-19	1994-09-16
1995	1995-04-19	1995-10-02
1996	1996-05-04	1996-10-30
1997	1997-05-18	1997-10-10
1998	1998-05-15	1998-10-01
1999	1999-04-04	1999-09-08
2000	2000-05-06	2000-10-06
2001	2001-04-07	2001-10-24
2002	2002-04-16	2002-10-05
2003	2003-05-02	2003-09-04
2004	2004-04-23	2004-11-01
2005	2005-04-20	2005-10-20
2006	2006-04-15	2006-09-24
2007	2007-03-24	2007-10-10
2008	2008-04-18	2008-10-15
2009	2009-04-24	2009-09-28
2010	2010-04-02	2010-10-27
2011	2011-04-24	2011-09-27
2012	2012-04-17	2012-10-03
2013	2013-05-15	2013-10-05
2014	2014-04-02	2014-10-11
2015	2015-05-11	2015-09-20
2016	2016-03-16	2016-10-20
2017	2017-04-17	2017-10-11
2018	2018-05-10	2018-10-07
2019	2019-04-30	2019-10-12
2020	2020-03-20	2020-09-11
2021	2021-04-07	2021-10-05
2022	2022-04-26	2022-09-26
2023	2023-03-24	2023-10-28
2024	2024-04-02	2024-09-29
2025	2025-04-03	2025-10-07
2026	2026-03-10	2026-10-14

Every Fixed Threshold

Fixed thresholds at Raleigh AP
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	125	2010	129
35 C (95 F): Days	74	43	2010	40
40 C (104 F): Days	8	3	1952	1
90 F (32.2 C): Days	82	91	2010	80
100 F (37.8 C): Days	32	12	1999	8
0 C (32 F): Ice days (max	63	10	1970	2
0 C (32 F): Frost days (min	82	104	1969	38
-10 C (14 F): Days with min	61	29	1977	2
-20 C (-4 F): Days with min	1	1	1985	1
20 C (68 F): Tropical nights (min	82	106	2018	93
25 C (77 F): Days with min	17	13	2025	5
10 mm (0.39 in): Days with 10 mm or more rain	82	51	1989	24
25 mm (0.98 in): Days with 25 mm or more rain	82	20	2024	10
50 mm (1.97 in): Days with 50 mm or more rain	76	6	1999	2
100 mm (3.94 in): Days with 100 mm or more rain	20	2	1999	1
10 cm (3.9 in): Days with 10 cm or more snowfall	27	3	1948	2
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1948	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1945.

Download the Data

Data for Raleigh AP 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).

Raleigh AP Threshold Days by Year (USW00013722)

Key Facts for Raleigh AP Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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