Nights at or above 20 C (68 F) in Atlanta

Atlanta has had nights with a minimum temperature at or above 20 C (68 F) in 97 years, most in 2018 with 141. Days per year, season span, streaks and every date.

Key Facts for Atlanta

Atlanta has had nights with a minimum temperature at or above 20 C (68 F) in 97 years, 8,229 days in all.
The most in one year was 141 days in 2018.
In 2026, the latest year on file, there were 121 such days.
The earliest first date in a year was 1 January 2022.
The latest last date in a year was 2 December 1991.
The longest run inside a single year was 99 days in 2016.
1 year with under 90 percent of days observed is left out of these rankings.

Days per Year

97 years, 8,229 days

Days per year in Atlanta with a minimum temperature at or above 20 C (68 F). The line is the decade average. The most was 141 in 2018. Grey bars are years with under 90 percent of days observed, left out of rankings.

Nights at or above 20 C (68 F) per year in Atlanta
Year	Days	Decade average
1930	81	84.8
1931	93	84.8
1932	80	84.8
1933	103	84.8
1934	81	84.8
1935	69	84.8
1936	86	84.8
1937	89	84.8
1938	81	84.8
1939	85	84.8
1940	55	76.6
1941	94	76.6
1942	83	76.6
1943	91	76.6
1944	83	76.6
1945	87	76.6
1946	53	76.6
1947	67	76.6
1948	69	76.6
1949	84	76.6
1950	60	79.8
1951	78	79.8
1952	81	79.8
1953	77	79.8
1954	98	79.8
1955	76	79.8
1956	77	79.8
1957	79	79.8
1958	79	79.8
1959	93	79.8
1960	89	55.7
1961	50	55.7
1962	54	55.7
1963	49	55.7
1964	68	55.7
1965	52	55.7
1966	48	55.7
1967	26	55.7
1968	60	55.7
1969	61	55.7
1970	80	68.6
1971	71	68.6
1972	51	68.6
1973	84	68.6
1974	64	68.6
1975	71	68.6
1976	38	68.6
1977	79	68.6
1978	69	68.6
1979	79	68.6
1980	117	88.6
1981	89	88.6
1982	70	88.6
1983	79	88.6
1984	76	88.6
1985	87	88.6
1986	95	88.6
1987	96	88.6
1988	83	88.6
1989	94	88.6
1990	92	92.4
1991	103	92.4
1992	75	92.4
1993	106	92.4
1994	102	92.4
1995	95	92.4
1996	100	92.4
1997	64	92.4
1998	106	92.4
1999	81	92.4
2000	82	90.3
2001	80	90.3
2002	107	90.3
2003	81	90.3
2004	89	90.3
2005	94	90.3
2006	84	90.3
2007	108	90.3
2008	88	90.3
2009	90	90.3
2010	119	109.2
2011	99	109.2
2012	91	109.2
2013	96	109.2
2014	92	109.2
2015	103	109.2
2016	120	109.2
2017	105	109.2
2018	141	109.2
2019	126	109.2
2020	107	109.9
2021	106	109.9
2022	115	109.9
2023	96	109.9
2024	112	109.9
2025	112	109.9
2026	121	109.9

Season Span

earliest 1 January, latest 2 December

For each year, a bar from the first to the last day in Atlanta meeting 20 C (68 F). Long bars mean a long season.

First to last qualifying date each year in Atlanta
Year	First date	Last date
1930	1930-06-19	1930-09-25
1931	1931-06-04	1931-09-25
1932	1932-06-07	1932-09-18
1933	1933-05-10	1933-10-01
1934	1934-05-20	1934-09-28
1935	1935-06-02	1935-09-09
1936	1936-05-11	1936-10-09
1937	1937-05-27	1937-10-03
1938	1938-05-18	1938-09-14
1939	1939-05-28	1939-09-28
1940	1940-05-23	1940-09-24
1941	1941-05-22	1941-10-07
1942	1942-05-20	1942-09-19
1943	1943-05-20	1943-09-08
1944	1944-05-14	1944-10-06
1945	1945-05-29	1945-09-30
1946	1946-06-09	1946-09-24
1947	1947-06-07	1947-09-21
1948	1948-04-12	1948-09-09
1949	1949-05-22	1949-10-13
1950	1950-06-11	1950-09-14
1951	1951-05-30	1951-10-06
1952	1952-05-06	1952-09-14
1953	1953-05-02	1953-10-01
1954	1954-05-31	1954-10-06
1955	1955-05-26	1955-10-07
1956	1956-05-14	1956-09-17
1957	1957-05-22	1957-09-22
1958	1958-04-24	1958-09-26
1959	1959-05-07	1959-10-10
1960	1960-05-19	1960-09-21
1961	1961-06-05	1961-09-12
1962	1962-05-20	1962-09-17
1963	1963-05-11	1963-09-13
1964	1964-05-28	1964-09-30
1965	1965-05-24	1965-10-01
1966	1966-06-09	1966-09-05
1967	1967-06-19	1967-08-26
1968	1968-06-09	1968-09-20
1969	1969-06-09	1969-09-17
1970	1970-04-30	1970-09-26
1971	1971-06-05	1971-09-21
1972	1972-07-03	1972-09-29
1973	1973-06-09	1973-09-28
1974	1974-05-20	1974-09-14
1975	1975-05-24	1975-09-11
1976	1976-06-12	1976-09-09
1977	1977-06-12	1977-09-18
1978	1978-05-27	1978-09-22
1979	1979-05-10	1979-09-13
1980	1980-05-13	1980-09-25
1981	1981-05-30	1981-09-15
1982	1982-05-28	1982-10-09
1983	1983-05-22	1983-09-20
1984	1984-05-06	1984-10-17
1985	1985-05-14	1985-09-23
1986	1986-05-31	1986-11-08
1987	1987-05-20	1987-09-18
1988	1988-06-02	1988-09-25
1989	1989-05-26	1989-10-17
1990	1990-05-03	1990-10-08
1991	1991-05-16	1991-12-02
1992	1992-06-07	1992-09-22
1993	1993-05-29	1993-09-26
1994	1994-05-26	1994-09-18
1995	1995-05-09	1995-09-21
1996	1996-05-05	1996-09-27
1997	1997-06-13	1997-09-21
1998	1998-05-16	1998-10-06
1999	1999-04-09	1999-09-28
2000	2000-05-13	2000-09-24
2001	2001-05-21	2001-09-12
2002	2002-04-20	2002-10-06
2003	2003-05-09	2003-11-05
2004	2004-05-21	2004-11-03
2005	2005-06-05	2005-10-06
2006	2006-05-21	2006-09-23
2007	2007-05-31	2007-10-18
2008	2008-05-28	2008-09-14
2009	2009-05-08	2009-09-25
2010	2010-05-02	2010-10-27
2011	2011-05-11	2011-09-27
2012	2012-05-05	2012-09-29
2013	2013-05-21	2013-09-17
2014	2014-05-23	2014-10-11
2015	2015-05-09	2015-09-30
2016	2016-04-30	2016-09-27
2017	2017-04-29	2017-10-11
2018	2018-05-12	2018-10-10
2019	2019-05-04	2019-10-04
2020	2020-05-24	2020-11-11
2021	2021-05-03	2021-10-08
2022	2022-01-01	2022-11-07
2023	2023-02-23	2023-09-26
2024	2024-05-03	2024-10-05
2025	2025-05-01	2025-10-08
2026	2026-05-17	2026-10-04

Every Year

Nights at or above 20 C (68 F) per year in Atlanta
Year	Days	First date	Last date	Longest streak in year	Coverage
2026	121	17 May 2026	4 October 2026	90 days	Incomplete, not ranked
2025	112	1 May 2025	8 October 2025	61 days	Complete
2024	112	3 May 2024	5 October 2024	70 days	Complete
2023	96	23 February 2023	26 September 2023	50 days	Complete
2022	115	1 January 2022	7 November 2022	57 days	Complete
2021	106	3 May 2021	8 October 2021	60 days	Complete
2020	107	24 May 2020	11 November 2020	78 days	Complete
2019	126	4 May 2019	4 October 2019	39 days	Complete
2018	141	12 May 2018	10 October 2018	54 days	Complete
2017	105	29 April 2017	11 October 2017	32 days	Complete
2016	120	30 April 2016	27 September 2016	99 days	Complete
2015	103	9 May 2015	30 September 2015	56 days	Complete
2014	92	23 May 2014	11 October 2014	19 days	Complete
2013	96	21 May 2013	17 September 2013	26 days	Complete
2012	91	5 May 2012	29 September 2012	45 days	Complete
2011	99	11 May 2011	27 September 2011	29 days	Complete
2010	119	2 May 2010	27 October 2010	61 days	Complete
2009	90	8 May 2009	25 September 2009	27 days	Complete
2008	88	28 May 2008	14 September 2008	26 days	Complete
2007	108	31 May 2007	18 October 2007	50 days	Complete
2006	84	21 May 2006	23 September 2006	33 days	Complete
2005	94	5 June 2005	6 October 2005	56 days	Complete
2004	89	21 May 2004	3 November 2004	21 days	Complete
2003	81	9 May 2003	5 November 2003	24 days	Complete
2002	107	20 April 2002	6 October 2002	26 days	Complete
2001	80	21 May 2001	12 September 2001	29 days	Complete
2000	82	13 May 2000	24 September 2000	15 days	Complete
1999	81	9 April 1999	28 September 1999	31 days	Complete
1998	106	16 May 1998	6 October 1998	42 days	Complete
1997	64	13 June 1997	21 September 1997	18 days	Complete
1996	100	5 May 1996	27 September 1996	24 days	Complete
1995	95	9 May 1995	21 September 1995	55 days	Complete
1994	102	26 May 1994	18 September 1994	58 days	Complete
1993	106	29 May 1993	26 September 1993	75 days	Complete
1992	75	7 June 1992	22 September 1992	33 days	Complete
1991	103	16 May 1991	2 December 1991	47 days	Complete
1990	92	3 May 1990	8 October 1990	21 days	Complete
1989	94	26 May 1989	17 October 1989	45 days	Complete
1988	83	2 June 1988	25 September 1988	30 days	Complete
1987	96	20 May 1987	18 September 1987	29 days	Complete
1986	95	31 May 1986	8 November 1986	28 days	Complete
1985	87	14 May 1985	23 September 1985	27 days	Complete
1984	76	6 May 1984	17 October 1984	23 days	Complete
1983	79	22 May 1983	20 September 1983	34 days	Complete
1982	70	28 May 1982	9 October 1982	21 days	Complete
1981	89	30 May 1981	15 September 1981	28 days	Complete
1980	117	13 May 1980	25 September 1980	86 days	Complete
1979	79	10 May 1979	13 September 1979	32 days	Complete
1978	69	27 May 1978	22 September 1978	13 days	Complete
1977	79	12 June 1977	18 September 1977	17 days	Complete
1976	38	12 June 1976	9 September 1976	8 days	Complete
1975	71	24 May 1975	11 September 1975	15 days	Complete
1974	64	20 May 1974	14 September 1974	14 days	Complete
1973	84	9 June 1973	28 September 1973	18 days	Complete
1972	51	3 July 1972	29 September 1972	13 days	Complete
1971	71	5 June 1971	21 September 1971	20 days	Complete
1970	80	30 April 1970	26 September 1970	22 days	Complete
1969	61	9 June 1969	17 September 1969	36 days	Complete
1968	60	9 June 1968	20 September 1968	13 days	Complete
1967	26	19 June 1967	26 August 1967	5 days	Complete
1966	48	9 June 1966	5 September 1966	13 days	Complete
1965	52	24 May 1965	1 October 1965	16 days	Complete
1964	68	28 May 1964	30 September 1964	23 days	Complete
1963	49	11 May 1963	13 September 1963	11 days	Complete
1962	54	20 May 1962	17 September 1962	16 days	Complete
1961	50	5 June 1961	12 September 1961	15 days	Complete
1960	89	19 May 1960	21 September 1960	48 days	Complete
1959	93	7 May 1959	10 October 1959	34 days	Complete
1958	79	24 April 1958	26 September 1958	33 days	Complete
1957	79	22 May 1957	22 September 1957	13 days	Complete
1956	77	14 May 1956	17 September 1956	29 days	Complete
1955	76	26 May 1955	7 October 1955	29 days	Complete
1954	98	31 May 1954	6 October 1954	49 days	Complete
1953	77	2 May 1953	1 October 1953	25 days	Complete
1952	81	6 May 1952	14 September 1952	41 days	Complete
1951	78	30 May 1951	6 October 1951	40 days	Complete
1950	60	11 June 1950	14 September 1950	20 days	Complete
1949	84	22 May 1949	13 October 1949	61 days	Complete
1948	69	12 April 1948	9 September 1948	18 days	Complete
1947	67	7 June 1947	21 September 1947	30 days	Complete
1946	53	9 June 1946	24 September 1946	12 days	Complete
1945	87	29 May 1945	30 September 1945	24 days	Complete
1944	83	14 May 1944	6 October 1944	15 days	Complete
1943	91	20 May 1943	8 September 1943	20 days	Complete
1942	83	20 May 1942	19 September 1942	16 days	Complete
1941	94	22 May 1941	7 October 1941	37 days	Complete
1940	55	23 May 1940	24 September 1940	15 days	Complete
1939	85	28 May 1939	28 September 1939	17 days	Complete
1938	81	18 May 1938	14 September 1938	24 days	Complete
1937	89	27 May 1937	3 October 1937	21 days	Complete
1936	86	11 May 1936	9 October 1936	27 days	Complete
1935	69	2 June 1935	9 September 1935	25 days	Complete
1934	81	20 May 1934	28 September 1934	23 days	Complete
1933	103	10 May 1933	1 October 1933	17 days	Complete
1932	80	7 June 1932	18 September 1932	49 days	Complete
1931	93	4 June 1931	25 September 1931	54 days	Complete
1930	81	19 June 1930	25 September 1930	34 days	Complete

Decade averages for Nights at or above 20 C (68 F) in Atlanta
Decade	Average days per year	Years counted
1930s	84.8	10
1940s	76.6	10
1950s	79.8	10
1960s	55.7	10
1970s	68.6	10
1980s	88.6	10
1990s	92.4	10
2000s	90.3	10
2010s	109.2	10
2020s	108.0	6

Compare with your own threshold in the threshold explorer. Fahrenheit thresholds are converted to tenths of a degree Celsius once, rounding half up.

Download the Data

Data for Nights at or above 20 C (68 F) in Atlanta, 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 from the threaded city record.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).