Average Temperatures for July at Boise, Idaho (airport) for the 72-year period 1940 through 2011 normal (1981-10) = 75.8 F degrees RANK RANK AMONG AMONG DATA YEAR COLDEST WARMEST 65.0 1993 w+ 1 72 69.4 1983 w+ 2 71 69.6 1986 3 70 70.1 1982 w- 4 69 70.4 1948 5 68 71.0 1981 w- 6 67 71.2 1987 w+ 7 66 71.3 1955 c- 8 65 71.4 1992 w+ 9 64 72.2 1944 10 tie 72.2 1962 c- tie tie 72.2 1963 c tie 61 72.7 1977 w+ 13 60 72.8 1978 w- 14 tie 72.8 1997 w+ tie 58 72.9 1969 w 16 tie 72.9 1980 w+ tie 56 73.1 1976 c 18 55 73.2 1943 c+ 19 tie 73.2 1957 w tie tie 73.2 1966 w+ tie 52 73.3 1950 c+ 22 tie 73.3 1965 w tie 50 73.4 1995 w+ 24 49 73.5 1952 25 tie 73.5 1972 w+ tie 47 73.6 1999 c- 27 46 73.8 1974 c+ 28 45 74.0 1958 w- 29 44 74.1 1953 w+ 30 tie 74.1 1979 tie 42 74.2 1984 32 41 74.3 2001 33 40 74.4 1949 34 39 74.6 1988 35 38 74.7 1971 c+ 36 37 74.8 1946 w 37 36 74.9 1940 w+ 38 tie 74.9 1945 c- tie tie 74.9 1964 c tie 33 75.1 1947 w- 41 32 75.2 1956 c+ 42 31 75.4 1941 w+ 43 tie 75.4 1954 c- tie 29 75.6 1973 45 tie 75.6 2011 tie 27 75.7 1942 w- 47 tie 75.7 1951 w tie tie 75.7 1991 w+ tie 24 75.8 2010 c- 50 23 76.0 1959 c 51 22 76.1 2000 c+ 52 21 76.2 1990 53 20 76.3 1961 54 tie 76.3 1970 tie 18 76.8 1996 56 17 77.0 1989 c 57 tie 77.0 1994 w+ tie 15 77.3 1968 c 59 14 77.6 2008 60 13 77.7 1985 61 12 78.0 2004 62 11 78.3 1975 c+ 63 tie 78.3 2005 tie 9 78.5 1967 c- 65 tie 78.5 2009 w- tie 7 79.2 1998 67 6 79.6 2002 w- 68 5 80.5 2003 69 4 80.7 1960 c 70 3 81.5 2006 71 2 83.1 2007 72 1 8/8/2011 c = la nina w = el nino weak c- or w- moderate c or w strong c+ or w+ average july temperatures at boise, airport.txt