Average Precipitation in Iran by Year

This page is a list of the average countrywide precipitation in Iran for each year from 1895–2021. It is an average over the entire territory of the country, based on data from the University of East Anglia.

Country:

All-Time Rainiest Year in Iran

1957 was the rainiest year in the recorded history of Iran. The average annual precipitation was 34.6 cm.

All-Time Driest Year in Iran

2021 had the least rain of any year in the recorded history of Iran. The average annual precipitation was 13.2 cm.

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Year	Rank	Precipitation (cm)
2021	121	13.2
2020	18	26.4
2019	19	26.4
2018	78	21.7
2017	106	19.4
2016	108	18.9
2015	89	21.1
2014	105	19.4
2013	101	20.0
2012	75	22.0
2011	60	22.8
2010	118	14.7
2009	40	24.1
2008	120	14.6
2007	93	20.5
2006	56	23.2
2005	90	21.0
2004	25	25.7
2003	48	23.4
2002	95	20.4
2001	117	16.3
2000	103	19.6
1999	91	20.9
1998	68	22.4
1997	46	23.4
1996	17	26.5
1995	82	21.6
1994	62	22.8
1993	16	26.6
1992	7	28.0
1991	20	26.3
1990	114	18.1
1989	100	20.0
1988	34	24.5
1987	76	21.9
1986	9	27.7
1985	115	17.8
1984	60	22.8
1983	77	21.7
1982	2	34.2
1981	48	23.4
1980	50	23.3
1979	21	25.9
1978	58	22.9
1977	10	27.5
1976	4	31.1
1975	44	23.8
1974	8	27.9
1973	119	14.6
1972	3	32.2
1971	102	19.7
1970	110	18.6
1969	5	29.7
1968	11	27.2
1967	88	21.1
1966	112	18.5
1965	87	21.3
1964	94	20.5
1963	29	25.0
1962	97	20.4
1961	66	22.5
1960	107	19.0
1959	69	22.3
1958	109	18.6
1957	1	34.6
1956	37	24.3
1955	64	22.8
1954	15	26.8
1953	23	25.7
1952	54	23.2
1951	26	25.6
1950	104	19.5
1949	63	22.8
1948	73	22.1
1947	84	21.5
1946	35	24.4
1945	41	24.0
1944	111	18.6
1943	13	27.1
1942	54	23.2
1941	33	24.5
1940	67	22.4
1939	28	25.0
1938	45	23.7
1937	99	20.2
1936	86	21.4
1935	43	23.9
1934	36	24.4
1933	96	20.4
1932	74	22.0
1931	23	25.7
1930	42	24.0
1929	70	22.3
1928	72	22.2
1927	92	20.6
1926	31	24.6
1925	113	18.2
1924	12	27.2
1923	22	25.9
1922	85	21.4
1921	46	23.4
1920	6	28.9
1919	79	21.6
1918	59	22.8
1917	116	16.9
1916	52	23.3
1915	56	23.2
1914	27	25.2
1913	65	22.6
1912	97	20.4
1911	30	24.9
1910	71	22.2
1909	51	23.3
1908	53	23.3
1907	39	24.1
1906	14	26.8
1905	81	21.6
1904	38	24.2
1903	82	21.6
1902	32	24.6
1901	79	21.6