Average Precipitation in Sierra Leone by Year

This page is a list of the average countrywide precipitation in Sierra Leone 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 Sierra Leone

1906 was the rainiest year in the recorded history of Sierra Leone. The average annual precipitation was 366.4 cm.

All-Time Driest Year in Sierra Leone

1986 had the least rain of any year in the recorded history of Sierra Leone. The average annual precipitation was 231.2 cm.

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Year	Rank	Precipitation (cm)
2021	49	283.4
2020	96	263.4
2019	112	251.9
2018	82	271.1
2017	83	270.8
2016	71	273.0
2015	65	274.5
2014	90	269.5
2013	76	271.9
2012	80	271.3
2011	78	271.6
2010	58	277.3
2009	85	270.6
2008	86	270.4
2007	102	259.2
2006	18	306.1
2005	110	253.1
2004	67	273.9
2003	103	258.0
2002	79	271.4
2001	77	271.7
2000	72	272.9
1999	62	275.7
1998	32	298.5
1997	111	252.0
1996	92	269.0
1995	69	273.4
1994	54	278.8
1993	104	256.7
1992	15	308.2
1991	117	236.8
1990	120	231.2
1989	88	269.8
1988	114	246.9
1987	116	240.7
1986	121	231.2
1985	115	243.4
1984	119	234.6
1983	84	270.8
1982	98	262.0
1981	43	287.0
1980	87	269.8
1979	59	276.5
1978	47	283.9
1977	95	264.9
1976	50	281.4
1975	108	255.2
1974	93	265.9
1973	107	255.8
1972	113	251.4
1971	100	261.3
1970	109	253.3
1969	13	311.3
1968	19	305.8
1967	44	285.2
1966	2	344.7
1965	63	275.7
1964	70	273.3
1963	28	300.0
1962	14	309.7
1961	22	303.6
1960	40	289.6
1959	56	278.4
1958	60	276.3
1957	35	294.4
1956	66	274.3
1955	7	321.9
1954	3	334.9
1953	9	318.7
1952	30	299.1
1951	5	331.3
1950	105	256.1
1949	45	285.1
1948	51	280.5
1947	68	273.5
1946	16	307.7
1945	31	298.6
1944	36	294.1
1943	37	293.8
1942	39	290.9
1941	89	269.7
1940	55	278.6
1939	41	287.6
1938	24	301.9
1937	52	279.8
1936	21	304.0
1935	81	271.2
1934	99	261.5
1933	17	306.5
1932	6	330.1
1931	8	319.1
1930	97	262.4
1929	29	299.6
1928	4	331.9
1927	48	283.7
1926	42	287.3
1925	38	293.4
1924	23	302.3
1923	27	301.2
1922	26	301.7
1921	33	298.4
1920	61	275.8
1919	64	274.6
1918	57	277.5
1917	106	256.0
1916	20	304.6
1915	12	311.4
1914	118	234.8
1913	53	279.4
1912	11	317.7
1911	91	269.1
1910	94	265.9
1909	73	272.5
1908	34	297.3
1907	101	260.4
1906	1	366.4
1905	10	318.7
1904	25	301.9
1903	46	285.0
1902	73	272.5
1901	73	272.5