Perth Airport Threshold Days by Year

14 fixed thresholds counted per year at Perth Airport (ASN00009021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Perth Airport Thresholds

Perth Airport: days with a maximum temperature at or above 30 C (86 F) in 82 years, most in 2023 with 117.
Perth Airport: days with a maximum temperature at or above 35 C (95 F) in 82 years, most in 2024 with 52.
Perth Airport: days with a maximum temperature at or above 90 F (32.2 C) in 82 years, most in 2023 with 87.
Perth Airport: days with a maximum temperature at or above 100 F (37.8 C) in 82 years, most in 1972 with 26.
14 fixed thresholds have at least one qualifying day at Perth Airport.

Days at or above 30 C (86 F)

82 years with a qualifying day

Days per year at Perth Airport with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 117 in 2023.

Days at or above 30 C (86 F) per year at Perth Airport
Year	Days	Decade average
1945	78	71.4
1946	62	71.4
1947	56	71.4
1948	74	71.4
1949	87	71.4
1950	73	67.2
1951	49	67.2
1952	64	67.2
1953	60	67.2
1954	65	67.2
1955	72	67.2
1956	61	67.2
1957	71	67.2
1958	84	67.2
1959	73	67.2
1960	59	69.8
1961	84	69.8
1962	91	69.8
1963	79	69.8
1964	60	69.8
1965	69	69.8
1966	60	69.8
1967	77	69.8
1968	47	69.8
1969	72	69.8
1970	72	76.1
1971	52	76.1
1972	91	76.1
1973	73	76.1
1974	76	76.1
1975	62	76.1
1976	77	76.1
1977	87	76.1
1978	100	76.1
1979	71	76.1
1980	76	73.6
1981	74	73.6
1982	68	73.6
1983	74	73.6
1984	67	73.6
1985	73	73.6
1986	62	73.6
1987	77	73.6
1988	93	73.6
1989	72	73.6
1990	56	77.5
1991	81	77.5
1992	62	77.5
1993	64	77.5
1994	90	77.5
1995	78	77.5
1996	79	77.5
1997	76	77.5
1998	95	77.5
1999	94	77.5
2000	84	83.9
2001	72	83.9
2002	88	83.9
2003	89	83.9
2004	94	83.9
2005	71	83.9
2006	89	83.9
2007	78	83.9
2008	77	83.9
2009	97	83.9
2010	99	95.2
2011	108	95.2
2012	89	95.2
2013	94	95.2
2014	96	95.2
2015	109	95.2
2016	85	95.2
2017	87	95.2
2018	79	95.2
2019	106	95.2
2020	97	99
2021	93	99
2022	94	99
2023	117	99
2024	115	99
2025	110	99
2026	67	99

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

First to last qualifying date each year at Perth Airport
Year	First date	Last date
1945	1945-01-01	1945-12-31
1946	1946-01-01	1946-12-26
1947	1947-01-01	1947-12-31
1948	1948-01-01	1948-12-30
1949	1949-01-02	1949-12-31
1950	1950-01-01	1950-12-31
1951	1951-01-07	1951-12-31
1952	1952-01-01	1952-12-31
1953	1953-01-01	1953-12-31
1954	1954-01-01	1954-12-29
1955	1955-01-03	1955-12-31
1956	1956-01-01	1956-12-26
1957	1957-01-06	1957-12-31
1958	1958-01-01	1958-12-31
1959	1959-01-01	1959-12-26
1960	1960-01-04	1960-12-31
1961	1961-01-01	1961-12-31
1962	1962-01-01	1962-12-28
1963	1963-01-06	1963-12-31
1964	1964-01-01	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-03	1966-12-20
1967	1967-01-01	1967-12-31
1968	1968-01-03	1968-12-31
1969	1969-01-01	1969-12-31
1970	1970-01-01	1970-12-30
1971	1971-01-16	1971-12-31
1972	1972-01-01	1972-12-30
1973	1973-01-04	1973-12-31
1974	1974-01-01	1974-12-31
1975	1975-01-10	1975-12-31
1976	1976-01-01	1976-12-28
1977	1977-01-01	1977-12-31
1978	1978-01-03	1978-12-31
1979	1979-01-01	1979-12-31
1980	1980-01-01	1980-12-28
1981	1981-01-02	1981-12-27
1982	1982-01-02	1982-12-27
1983	1983-01-01	1983-12-29
1984	1984-01-03	1984-12-25
1985	1985-01-03	1985-12-31
1986	1986-01-01	1986-12-31
1987	1987-01-03	1987-12-28
1988	1988-01-02	1988-12-31
1989	1989-01-01	1989-12-26
1990	1990-01-04	1990-12-28
1991	1991-01-05	1991-12-30
1992	1992-01-03	1992-12-28
1993	1993-01-04	1993-12-31
1994	1994-01-09	1994-12-31
1995	1995-01-01	1995-12-31
1996	1996-01-01	1996-12-31
1997	1997-01-01	1997-12-30
1998	1998-01-02	1998-12-30
1999	1999-01-01	1999-12-31
2000	2000-01-01	2000-12-31
2001	2001-01-04	2001-12-26
2002	2002-01-01	2002-12-26
2003	2003-01-01	2003-12-31
2004	2004-01-01	2004-12-31
2005	2005-01-01	2005-12-25
2006	2006-01-02	2006-12-31
2007	2007-01-07	2007-12-31
2008	2008-01-01	2008-12-31
2009	2009-01-01	2009-12-29
2010	2010-01-01	2010-12-31
2011	2011-01-01	2011-12-31
2012	2012-01-02	2012-12-31
2013	2013-01-01	2013-12-30
2014	2014-01-05	2014-12-30
2015	2015-01-03	2015-12-31
2016	2016-01-01	2016-12-26
2017	2017-01-01	2017-12-31
2018	2018-01-01	2018-12-31
2019	2019-01-01	2019-12-31
2020	2020-01-01	2020-12-31
2021	2021-01-01	2021-12-31
2022	2022-01-02	2022-12-30
2023	2023-01-02	2023-12-31
2024	2024-01-01	2024-12-31
2025	2025-01-01	2025-12-31
2026	2026-01-01	2026-09-17

Every Fixed Threshold

Fixed thresholds at Perth Airport
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	82	117	2023	67
35 C (95 F): Days	82	52	2024	35
40 C (104 F): Days	80	17	2024	7
45 C (113 F): Days	1	2	1991	2
90 F (32.2 C): Days	82	87	2023	52
100 F (37.8 C): Days	82	26	1972	18
110 F (43.3 C): Days	23	5	2024	1
0 C (32 F): Frost days (min	13	3	2006	1
20 C (68 F): Tropical nights (min	82	42	2011	24
25 C (77 F): Days with min	50	8	1997	2
10 mm (0.39 in): Days with 10 mm or more rain	82	40	1955	16
25 mm (0.98 in): Days with 25 mm or more rain	81	13	1946	1
50 mm (1.97 in): Days with 50 mm or more rain	27	3	1945	1
100 mm (3.94 in): Days with 100 mm or more rain	1	1	1992	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 Perth Airport 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).

Perth Airport Threshold Days by Year

Key Facts for Perth Airport Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related