Monthly mean maximum temperatures for Hyannis, MA
Monthly mean maximum temperatures for HYANNIS
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Tot
1971 35.9 42.4 45.3 54.1 62.9 75.8 81.0 82.4 75.9 67.0 50.0 46.8 60.0
1972 38.8 45.0 49.3 63.1 68.9 76.2 75.8 72.0 58.7 49.7 45.0 58.4
1973 39.5 37.1 48.7 56.1 61.1 79.8 73.8 47.6 55.5
1974 40.8 37.2 46.4 56.5 61.4 70.3 78.1 79.4 71.2 57.9 51.8 43.0 57.8
1975 43.0 38.9 43.3 49.0 65.0 37.8 46.2
1976 36.7 45.6 47.7 59.9 64.4 74.5 78.7 77.9 71.6 59.4 48.0 39.4 58.7
1977 30.2 36.4 49.4 57.1 67.0 70.2 79.8 79.2 69.8 61.1 53.8 40.9 57.9
1978 37.3 33.4 42.2 52.2 64.2 72.9 77.0 78.7 69.1 60.8 52.4 44.3 57.0
1979 39.4 29.6 46.7 52.9 66.0 71.9 79.8 75.6 72.0 60.6 56.0 45.2 58.0
1980 38.6 35.3 42.8 54.3 64.2 51.6 41.5 46.9
1981 30.4 43.0 44.4 56.9 62.4 75.3 80.5 78.3 70.7 58.6 49.7 40.3 57.5
1982 32.5 38.9 45.1 52.5 63.6 68.4 80.1 74.7 70.6 61.3 56.0 48.3 57.7
1983 39.8 39.4 47.2 52.4 60.6 75.0 80.7 77.7 76.2 62.8 54.9 41.7 59.0
1984 36.8 44.7 39.6 50.9 64.5 74.1 78.1 79.0 69.7 62.3 53.4 49.4 58.5
1985 32.5 39.2 47.3 54.7 64.7 70.9 78.6 76.7 71.4 64.4 55.4 41.1 58.1
1986 41.9 36.7 47.6 53.7 63.1 72.0 75.8 74.5 67.5 61.3 52.4 44.2 57.6
1987 38.0 35.7 43.7 53.4 63.2 72.9 76.1 75.9 69.1 59.7 51.4 43.4 56.9
1988 34.9 39.7 44.9 50.3 60.6 72.5 77.9 79.8 70.4 57.1 53.8 41.2 56.9
1989 40.6 36.0 41.3 49.9 63.4 72.5 76.1 76.6 72.1 63.0 53.1 30.9 56.3
1990 43.1 42.3 46.6 52.5 59.5 70.9 76.6 79.0 70.3 65.5 54.1 46.9 58.9
1991 39.5 43.2 47.1 54.7 67.2 74.8 79.2 78.9 70.4 61.9 51.0 45.3 59.4
1992 37.6 37.5 39.9 48.1 62.3 71.3 75.7 74.8 70.6 58.3 49.5 42.2 55.6
1993 38.6 34.3 40.5 52.2 64.2 73.7 79.2 78.1 70.9 58.8 53.3 41.8 57.1
1994 33.4 34.4 44.2 55.6 62.1 73.2 75.8 69.3 60.1 57.0 56.5
1995 37.7 44.3 51.8 59.9 72.4 78.9 77.7 69.0 65.7 50.5 37.2 58.6
1996 37.7 36.7 41.8 52.6 63.0 72.1 75.4 74.1 68.8 60.2 47.1 46.3 56.3
1997 39.0 44.3 51.6 59.3 71.2 78.9 74.5 69.8 59.1 49.1 43.1 58.2
1998 43.1 46.2 54.1 63.8 68.6 76.1 61.0 51.3 58.0
1999 62.6 74.6 80.5 75.5 71.8 60.4 54.0 44.4 65.5
2000 37.1 40.8 48.9 51.5 65.9 69.8 62.5 48.7 39.1 51.6
2001 38.9 43.8 42.7 52.1 65.2 75.9 75.7 78.8 71.5 63.7 55.3 47.9 59.3
2002 44.0 42.6 48.9 56.7 63.3 71.6 79.3 79.1 72.0 61.9