Number of Days of 20 °C in Perth 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 Perth, Western Australia, between 1877 and 2024.

Also see:

Which year had the most 20° days?

Based on NOAA records, the year 2012 holds the record for the most 20 °C days in Perth history. There were 300 days with a high temperature of at least 20 degrees that year.

How many so far this year (2024)?

As of April 30, there have been 102 days this year where the high temperature has reached at least 20 degrees Celsius in Perth, Western Australia.

The last time it reached at least 20° C was April 30, 2024.

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

Year	Rank	Days >= 20 °C
2024	128	102
2023	12	281
2022	20	276
2021	33	267
2020	6	293
2019	10	288
2018	20	276
2017	23	274
2016	77	239
2015	3	298
2014	8	292
2013	9	290
2012	1	300
2011	2	299
2010	11	285
2009	23	274
2008	16	278
2007	16	278
2006	4	295
2005	33	267
2004	33	267
2003	31	268
2002	18	277
2001	18	277
2000	26	273
1999	14	280
1998	33	267
1997	29	270
1996	23	274
1995	47	255
1994	15	279
1993	72	240
1992	79	238
1991	57	248
1990	79	238
1989	54	249
1988	42	259
1987	22	275
1986	84	237
1985	37	264
1984	44	256
1983	5	294
1982	30	269
1981	66	242
1980	72	240
1979	57	248
1978	44	256
1977	31	268
1976	12	281
1975	38	262
1974	65	243
1973	87	234
1972	40	261
1971	107	222
1970	64	244
1969	41	260
1968	121	213
1967	49	253
1966	87	234
1965	99	228
1964	98	229
1963	77	239
1962	38	262
1961	28	271
1960	89	233
1959	6	293
1958	63	246
1957	54	249
1956	68	241
1955	121	213
1954	57	248
1953	89	233
1952	68	241
1951	86	236
1950	44	256
1949	26	273
1948	42	259
1947	57	248
1946	54	249
1945	52	251
1944	49	253
1943	92	232
1942	104	224
1941	72	240
1940	57	248
1939	66	242
1938	53	250
1937	48	254
1936	79	238
1935	119	215
1934	72	240
1933	72	240
1932	68	241
1931	117	217
1930	62	247
1929	107	222
1928	94	231
1927	94	231
1926	118	216
1925	92	232
1924	100	227
1923	121	213
1922	119	215
1921	79	238
1920	84	237
1919	104	224
1918	89	233
1917	127	206
1916	94	231
1915	103	225
1914	49	253
1913	107	222
1912	101	226
1911	112	221
1910	125	208
1909	116	218
1908	101	226
1907	113	220
1906	114	219
1905	97	230
1904	114	219
1903	126	207
1902	68	241
1901	107	222
1900	104	224
1899	107	222
1898	79	238
1897	124	212
1896	129	0
1895	129	0
1894	129	0
1893	129	0
1892	129	0
1891	129	0
1890	129	0
1889	129	0
1888	129	0
1887	129	0
1886	129	0
1885	129	0
1884	129	0
1883	129	0
1882	129	0
1881	129	0
1880	129	0
1879	129	0
1878	129	0
1877	129	0

Weather Station Details

Years	Station	Coordinates
1945–2024	Perth Airport	location
1877–1944	Perth Regional Office	location