Average Temperature in Costa Rica by Year

This page is a list of the average countrywide temperature in Costa Rica 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 Costa Rica?
2016 was the warmest year in the history of Costa Rica. The average daily high temperature was 29.7 °C, and the average low was 22.1 °C.
What Was the Coldest Year in Costa Rica?
1971 was the coolest year in the history of Costa Rica. The average daily high temperature was 28.2 °C, and the average low was 20.6 °C.
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Year Rank High (°C) Low (°C)
2021 10 29.5 21.9
2020 3 29.6 22.0
2019 14 29.4 21.8
2018 35 29.1 21.5
2017 14 29.4 21.8
2016 1 29.7 22.1
2015 1 29.7 22.1
2014 3 29.6 22.0
2013 14 29.4 21.8
2012 27 29.3 21.7
2011 27 29.3 21.7
2010 14 29.4 21.8
2009 3 29.6 22.0
2008 33 29.2 21.6
2007 32 29.2 21.7
2006 13 29.4 21.9
2005 27 29.3 21.7
2004 14 29.4 21.8
2003 3 29.6 22.0
2002 10 29.5 21.9
2001 14 29.4 21.8
2000 45 28.9 21.3
1999 99 28.7 21.1
1998 3 29.6 22.0
1997 14 29.4 21.8
1996 45 28.9 21.3
1995 14 29.4 21.8
1994 14 29.4 21.8
1993 14 29.4 21.8
1992 14 29.4 21.8
1991 14 29.4 21.8
1990 27 29.3 21.7
1989 35 29.1 21.5
1988 27 29.3 21.7
1987 3 29.6 22.0
1986 45 28.9 21.3
1985 54 28.8 21.3
1984 106 28.6 21.0
1983 10 29.5 21.9
1982 35 29.1 21.5
1981 45 28.9 21.3
1980 35 29.1 21.5
1979 39 29.0 21.4
1978 45 28.9 21.3
1977 56 28.8 21.2
1976 113 28.5 20.9
1975 120 28.2 20.6
1974 119 28.3 20.7
1973 56 28.8 21.2
1972 56 28.8 21.2
1971 120 28.2 20.6
1970 115 28.4 20.8
1969 98 28.7 21.2
1968 115 28.4 20.8
1967 106 28.6 21.0
1966 39 29.0 21.4
1965 39 29.0 21.4
1964 56 28.8 21.2
1963 54 28.8 21.3
1962 113 28.5 20.9
1961 56 28.8 21.2
1960 39 29.0 21.4
1959 33 29.2 21.6
1958 3 29.6 22.0
1957 14 29.4 21.8
1956 45 28.9 21.3
1955 106 28.6 21.0
1954 112 28.5 21.0
1953 44 28.9 21.4
1952 45 28.9 21.3
1951 56 28.8 21.2
1950 115 28.4 20.8
1949 106 28.6 21.0
1948 99 28.7 21.1
1947 56 28.8 21.2
1946 56 28.8 21.2
1945 99 28.7 21.1
1944 106 28.6 21.0
1943 115 28.4 20.8
1942 99 28.7 21.1
1941 56 28.8 21.2
1940 99 28.7 21.1
1939 99 28.7 21.1
1938 106 28.6 21.0
1937 45 28.9 21.3
1936 39 29.0 21.4
1935 99 28.7 21.1
1934 56 28.8 21.2
1933 56 28.8 21.2
1932 56 28.8 21.2
1931 45 28.9 21.3
1930 56 28.8 21.2
1929 56 28.8 21.2
1928 56 28.8 21.2
1927 56 28.8 21.2
1926 56 28.8 21.2
1925 56 28.8 21.2
1924 56 28.8 21.2
1923 56 28.8 21.2
1922 56 28.8 21.2
1921 56 28.8 21.2
1920 56 28.8 21.2
1919 56 28.8 21.2
1918 56 28.8 21.2
1917 56 28.8 21.2
1916 56 28.8 21.2
1915 56 28.8 21.2
1914 56 28.8 21.2
1913 56 28.8 21.2
1912 56 28.8 21.2
1911 56 28.8 21.2
1910 56 28.8 21.2
1909 56 28.8 21.2
1908 56 28.8 21.2
1907 56 28.8 21.2
1906 56 28.8 21.2
1905 56 28.8 21.2
1904 56 28.8 21.2
1903 56 28.8 21.2
1902 56 28.8 21.2
1901 56 28.8 21.2