Shiraz Threshold Days by Year (IR000040848)

12 fixed thresholds counted per year at Shiraz (IR000040848): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shiraz Thresholds

Shiraz: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 1973 with 177.
Shiraz: days with a maximum temperature at or above 35 C (95 F) in 65 years, most in 2008 with 118.
Shiraz: days with a maximum temperature at or above 90 F (32.2 C) in 65 years, most in 2002 with 144.
Shiraz: days with a maximum temperature at or above 100 F (37.8 C) in 65 years, most in 2018 with 77.
12 fixed thresholds have at least one qualifying day at Shiraz.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Shiraz with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 177 in 1973.

Days at or above 30 C (86 F) per year at Shiraz
Year	Days	Decade average
1951	155	147.2
1952	149	147.2
1953	154	147.2
1954	155	147.2
1955	137	147.2
1956	147	147.2
1957	128	147.2
1958	156	147.2
1959	144	147.2
1960	151	147.4
1961	150	147.4
1962	132	147.4
1963	139	147.4
1964	153	147.4
1965	152	147.4
1966	153	147.4
1967	149	147.4
1968	145	147.4
1969	150	147.4
1970	170	153.5
1971	142	153.5
1972	142	153.5
1973	177	153.5
1974	144	153.5
1975	148	153.5
1976	146	153.5
1977	155	153.5
1978	155	153.5
1979	156	153.5
1980	157	150.3
1981	141	150.3
1982	156	150.3
1983	156	150.3
1984	129	150.3
1985	130	150.3
1986	156	150.3
1987	165	150.3
1988	159	150.3
1989	154	150.3
1990	163	147.7
1991	149	147.7
1992	135	147.7
1993	142	147.7
1994	130	147.7
1995	143	147.7
1996	143	147.7
1997	145	147.7
1998	156	147.7
1999	171	147.7
2000	164	159.5
2001	162	159.5
2002	162	159.5
2003	154	159.5
2004	153	159.5
2005	153	159.5
2006	167	159.5
2007	153	159.5
2008	170	159.5
2009	157	159.5
2012	144	146.8
2015	153	146.8
2018	145	146.8
2019	145	146.8
2020	142	117
2025	92	117

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

First to last qualifying date each year at Shiraz
Year	First date	Last date
1951	1951-05-15	1951-10-18
1952	1952-04-06	1952-10-13
1953	1953-04-26	1953-10-15
1954	1954-04-25	1954-10-15
1955	1955-05-15	1955-10-04
1956	1956-05-04	1956-10-07
1957	1957-05-28	1957-10-06
1958	1958-04-20	1958-10-07
1959	1959-04-15	1959-10-07
1960	1960-05-11	1960-10-11
1961	1961-05-07	1961-10-08
1962	1962-05-09	1962-10-04
1963	1963-04-24	1963-10-08
1964	1964-05-05	1964-10-09
1965	1965-05-08	1965-10-12
1966	1966-05-01	1966-10-06
1967	1967-05-10	1967-10-15
1968	1968-05-19	1968-10-18
1969	1969-04-30	1969-10-12
1970	1970-04-02	1970-10-22
1971	1971-05-03	1971-10-09
1972	1972-05-18	1972-10-21
1973	1973-04-20	1973-10-17
1974	1974-04-23	1974-10-01
1975	1975-05-04	1975-10-11
1976	1976-05-12	1976-10-08
1977	1977-04-30	1977-10-08
1978	1978-05-06	1978-10-19
1979	1979-04-21	1979-10-16
1980	1980-04-23	1980-10-11
1981	1981-05-08	1981-10-06
1982	1982-04-26	1982-10-02
1983	1983-05-05	1983-10-12
1984	1984-04-20	1984-10-07
1985	1985-06-01	1985-10-20
1986	1986-05-09	1986-10-16
1987	1987-04-25	1987-10-08
1988	1988-05-04	1988-10-19
1989	1989-05-07	1989-10-12
1990	1990-04-15	1990-10-09
1991	1991-04-24	1991-10-12
1992	1992-05-17	1992-10-05
1993	1993-05-10	1993-10-05
1994	1994-04-25	1994-10-02
1995	1995-05-04	1995-10-12
1996	1996-05-01	1996-10-04
1997	1997-05-14	1997-10-10
1998	1998-05-07	1998-10-18
1999	1999-04-22	1999-10-20
2000	2000-04-14	2000-10-02
2001	2001-04-24	2001-10-22
2002	2002-04-26	2002-10-13
2003	2003-05-09	2003-10-12
2004	2004-05-09	2004-10-17
2005	2005-04-23	2005-10-11
2006	2006-04-23	2006-10-21
2007	2007-04-28	2007-10-17
2008	2008-04-25	2008-10-18
2009	2009-04-25	2009-10-06
2012	2012-04-29	2012-10-15
2015	2015-04-12	2015-10-14
2018	2018-03-27	2018-10-12
2019	2019-05-03	2019-10-14
2020	2020-05-08	2020-10-09
2025	2025-04-10	2025-08-24

Every Fixed Threshold

Fixed thresholds at Shiraz
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	177	1973	92
35 C (95 F): Days	65	118	2008	64
40 C (104 F): Days	56	33	2019	22
90 F (32.2 C): Days	65	144	2002	84
100 F (37.8 C): Days	65	77	2018	48
0 C (32 F): Frost days (min	59	82	1964	25
-10 C (14 F): Days with min	4	4	1973	4
20 C (68 F): Tropical nights (min	59	89	1999	39
25 C (77 F): Days with min	34	19	1997	1
10 mm (0.39 in): Days with 10 mm or more rain	19	16	2012	6
25 mm (0.98 in): Days with 25 mm or more rain	17	6	2012	3
50 mm (1.97 in): Days with 50 mm or more rain	10	4	2008	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1951.

Download the Data

Data for Shiraz 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Shiraz Threshold Days by Year (IR000040848)

Key Facts for Shiraz Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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