Monthly mean minimum temperatures for Hyannis, MA
Monthly mean minimum temperatures for HYANNIS
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
1971 15.8 22.1 28.6 34.4 45.0 54.4 62.4 60.6 58.1 47.0 33.0 27.1 40.7
1972 20.1 27.1 33.4 47.0 56.3 62.4 61.1 55.6 41.5 35.1 30.7 42.8
1973 23.4 23.4 34.3 39.1 47.3 64.4 54.2 29.0 39.4
1974 23.4 21.9 30.0 39.6 46.0 55.4 61.6 63.0 55.4 39.2 36.7 28.9 41.8
1975 28.0 24.4 27.4 33.3 49.0 21.3 30.6
1976 17.3 24.0 30.7 40.5 46.2 59.1 62.0 62.5 52.7 42.0 30.9 18.4 40.5
1977 13.0 20.5 32.8 36.4 47.1 55.5 62.0 62.7 55.6 44.7 39.1 24.6 41.2
1978 21.3 17.2 26.1 36.3 46.6 56.8 61.6 63.9 51.6 42.8 35.9 26.1 40.5
1979 22.8 13.9 31.9 37.5 51.5 55.1 64.6 62.5 54.4 45.0 40.1 29.6 42.4
1980 22.6 17.8 27.9 40.2 47.1 30.2 17.5 29.0
1981 11.7 24.7 28.4 39.9 47.3 58.1 62.1 61.4 51.1 41.5 37.0 25.9 40.8
1982 11.4 23.9 28.4 34.7 46.2 53.4 63.3 60.0 55.7 43.4 38.3 31.7 40.9
1983 23.5 23.1 32.6 38.4 47.5 56.7 63.8 62.5 57.4 46.7 37.3 24.9 42.9
1984 21.5 28.1 25.6 37.2 47.1 56.8 61.4 63.8 52.9 45.9 35.5 30.4 42.2
1985 16.1 22.2 29.6 37.9 46.2 54.5 62.8 62.2 55.8 45.6 40.6 21.8 41.3
1986 22.4 23.8 30.9 41.3 48.4 56.9 62.6 61.0 52.4 44.5 31.6 28.7 42.0
1987 21.9 17.9 29.4 38.9 46.4 57.8 62.4 60.9 56.3 40.8 34.7 27.5 41.2
1988 17.5 22.3 28.0 38.2 46.8 54.9 64.0 66.0 53.4 40.8 36.1 22.2 40.9
1989 25.0 22.6 27.7 36.1 48.3 57.9 61.6 63.0 54.2 43.4 34.9 12.5 40.6
1990 29.0 23.0 30.0 36.9 46.0 56.8 64.4 65.7 54.4 49.6 37.9 32.1 43.8
1991 22.4 26.4 32.2 39.9 50.2 58.0 62.7 64.2 55.9 47.8 38.0 27.5 43.8
1992 21.2 22.6 27.5 35.2 44.7 56.9 60.0 61.1 54.4 42.6 36.9 28.4 41.0
1993 25.9 17.9 27.5 39.1 48.5 57.2 63.6 61.6 56.5 42.7 35.1 27.6 41.9
1994 15.7 19.1 29.9 39.8 46.8 60.1 62.3 54.4 43.7 40.5 41.2
1995 19.7 31.4 36.5 46.4 56.3 64.8 62.3 53.0 47.6 34.4 24.3 43.3
1996 21.5 21.4 26.3 38.5 47.0 57.7 61.9 60.4 56.6 45.1 33.7 34.0 42.0
1997 21.6 28.6 36.9 46.2 56.3 63.3 60.4 56.3 43.4 34.9 28.4 43.3
1998 30.2 33.2 39.1 48.7 56.8 63.3 46.1 35.6 44.1
1999 48.0 59.0 64.7 62.6 57.7 44.5 38.8 30.2 50.7
2000 19.4 27.0 34.6 39.0 45.9 54.4 45.5 37.3 22.4 36.2
2001 24.0 26.0 31.0 38.7 48.2 62.0 61.5 65.5 57.1 46.4 41.2 33.1 44.6
2002 30.4 24.2 34.2 40.5 48.3 57.1 65.5 65.5 59.3 47.2