Average Temperature in Tonga by Year

This page is a list of the average countrywide temperature in Tonga 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:

What Was the Hottest Year in Tonga?

2001 was the warmest year in the history of Tonga. The average daily high temperature was 29.0 °C, and the average low was 23.3 °C.

What Was the Coldest Year in Tonga?

1909 was the coolest year in the history of Tonga. The average daily high temperature was 27.2 °C, and the average low was 21.9 °C.

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Year	Rank	High (°C)	Low (°C)
2021	8	28.6	23.2
2020	2	28.8	23.4
2019	6	28.7	23.3
2018	16	28.4	23.1
2017	4	28.8	23.3
2016	2	28.8	23.4
2015	27	28.3	22.9
2014	21	28.5	22.9
2013	13	28.5	23.1
2012	27	28.3	22.9
2011	16	28.6	22.9
2010	9	28.6	23.1
2009	21	28.4	23.0
2008	16	28.4	23.1
2007	4	28.8	23.3
2006	21	28.4	23.0
2005	7	28.6	23.3
2004	16	28.5	23.0
2003	13	28.6	23.0
2002	13	28.5	23.1
2001	1	29.0	23.3
2000	9	28.6	23.1
1999	25	28.3	23.0
1998	9	28.5	23.2
1997	32	28.2	22.9
1996	9	28.6	23.1
1995	21	28.4	23.0
1994	51	27.8	22.9
1993	85	27.4	22.9
1992	43	27.9	22.9
1991	43	28.0	22.8
1990	25	28.3	23.0
1989	43	28.1	22.7
1988	16	28.3	23.2
1987	85	28.0	22.3
1986	60	28.1	22.5
1985	35	28.3	22.7
1984	32	28.4	22.7
1983	41	28.2	22.7
1982	71	28.0	22.5
1981	60	28.3	22.3
1980	51	28.1	22.6
1979	66	28.2	22.4
1978	77	28.1	22.3
1977	66	28.2	22.4
1976	85	28.1	22.2
1975	60	28.0	22.6
1974	85	28.0	22.3
1973	35	28.1	22.9
1972	95	27.7	22.5
1971	99	27.8	22.3
1970	66	27.9	22.7
1969	85	27.9	22.4
1968	85	28.1	22.2
1967	99	27.6	22.5
1966	95	27.8	22.4
1965	112	27.5	22.1
1964	71	27.9	22.6
1963	77	27.8	22.6
1962	85	27.7	22.6
1961	51	27.9	22.8
1960	51	28.0	22.7
1959	35	28.0	23.0
1958	51	28.0	22.7
1957	71	28.0	22.5
1956	82	28.0	22.4
1955	43	28.1	22.7
1954	35	28.1	22.9
1953	43	28.1	22.7
1952	27	28.3	22.9
1951	85	27.9	22.4
1950	43	28.0	22.8
1949	51	28.2	22.5
1948	95	28.0	22.2
1947	43	28.3	22.5
1946	71	28.2	22.3
1945	82	28.0	22.4
1944	95	28.0	22.2
1943	60	28.1	22.5
1942	60	28.0	22.6
1941	39	28.3	22.6
1940	71	28.1	22.4
1939	99	28.0	22.1
1938	32	28.4	22.7
1937	77	28.1	22.3
1936	71	28.1	22.4
1935	41	28.2	22.7
1934	85	28.0	22.3
1933	77	28.1	22.3
1932	51	28.2	22.5
1931	104	27.9	22.2
1930	99	27.8	22.3
1929	99	27.8	22.3
1928	82	28.0	22.4
1927	39	28.3	22.6
1926	66	28.2	22.4
1925	85	28.0	22.3
1924	31	28.5	22.6
1923	106	27.9	22.1
1922	27	28.3	22.9
1921	43	28.1	22.7
1920	60	28.3	22.3
1919	51	28.2	22.5
1918	113	27.7	21.9
1917	118	27.4	21.9
1916	114	27.5	22.0
1915	110	27.7	22.2
1914	51	28.1	22.6
1913	77	28.1	22.3
1912	66	28.2	22.4
1911	106	28.0	22.0
1910	118	27.6	21.7
1909	121	27.2	21.9
1908	114	27.5	22.0
1907	116	27.4	22.0
1906	106	27.6	22.4
1905	116	27.4	22.0
1904	118	27.3	22.0
1903	111	27.6	22.1
1902	106	27.7	22.3
1901	104	27.7	22.4