Number of Days of 20 °C in Whyalla by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 20 degrees Celsius in Whyalla, South Australia, between 1906 and 2023.

Also see:

Which year had the most 20° days?

Based on NOAA records, the year 2007 holds the record for the most 20 °C days in Whyalla history. There were 270 days with a high temperature of at least 20 degrees that year.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 20 °C
2023	8	256
2022	43	227
2021	19	244
2020	34	237
2019	29	239
2018	13	249
2017	11	251
2016	28	240
2015	41	228
2014	8	256
2013	4	261
2012	29	239
2011	21	243
2010	51	222
2009	24	241
2008	18	245
2007	1	270
2006	40	234
2005	2	265
2004	24	241
2003	29	239
2002	3	262
2001	54	218
2000	24	241
1999	50	224
1998	58	215
1997	46	226
1996	56	217
1995	62	206
1994	41	228
1993	11	251
1992	65	151
1991	67	8
1990	19	244
1989	46	226
1988	22	242
1987	29	239
1986	46	226
1985	37	235
1984	34	237
1983	66	146
1982	34	237
1981	15	247
1980	8	256
1979	37	235
1978	53	219
1977	22	242
1976	43	227
1975	16	246
1974	51	222
1973	16	246
1972	13	249
1971	37	235
1970	54	218
1969	61	208
1968	60	210
1967	46	226
1966	59	212
1965	43	227
1964	29	239
1963	64	186
1962	63	203
1961	4	261
1960	57	216
1959	7	259
1958	24	241
1957	6	260
1956	68	0
1955	68	0
1954	68	0
1953	68	0
1952	68	0
1951	68	0
1950	68	0
1949	68	0
1948	68	0
1947	68	0
1946	68	0
1945	68	0
1944	68	0
1943	68	0
1942	68	0
1941	68	0
1940	68	0
1939	68	0
1938	68	0
1937	68	0
1936	68	0
1935	68	0
1934	68	0
1933	68	0
1932	68	0
1931	68	0
1930	68	0
1929	68	0
1928	68	0
1927	68	0
1926	68	0
1925	68	0
1924	68	0
1923	68	0
1922	68	0
1921	68	0
1920	68	0
1919	68	0
1918	68	0
1917	68	0
1916	68	0
1915	68	0
1914	68	0
1913	68	0
1912	68	0
1911	68	0
1910	68	0
1909	68	0
1908	68	0
1907	68	0
1906	68	0

Weather Station Details

Years	Station	Coordinates
1983–2023	Whyalla Aero	location
1906–1982	Whyalla (Norrie)	location