SAN JOSE, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 59.3 63.4 67.0 72.1 76.7 81.8 84.3 84.0 82.2 75.9 65.3 58.9 72.6
Highest Mean Max. Temperature (F) 63.2 67.9 72.3 78.0 82.5 88.0 88.9 89.0 88.1 79.5 70.3 63.1 89.0
Year Highest Occurred 1986 1988 1988 1987 1997 1981 1984 1998 1984 1992 1995 1999 1998
Lowest Mean Max. Temperature (F) 55.4 59.3 60.9 66.0 69.1 75.7 80.3 80.0 77.5 72.2 58.7 54.3 54.3
Year Lowest Occurred 1985 1998 1999 1975 1998 1982 1987 1991 1986 2000 1994 1972 1972
Mean Temperature (F) 50.5 54.0 56.7 60.2 64.3 68.6 70.9 70.9 69.5 64.1 55.5 50.0 61.3
Highest Mean Temperature (F) 55.1 57.5 60.2 64.7 69.7 73.4 74.2 74.4 73.0 67.7 59.9 54.7 74.4
Year Highest Occurred 1986 1991 1993 1989 1997 1981 1984 1998 1984 1992 1995 1983 1998
Lowest Mean Temperature (F) 46.2 50.3 52.2 54.4 59.3 65.0 68.3 68.6 66.1 59.9 50.2 44.4 44.4
Year Lowest Occurred 1985 1989 1985 1975 1977 1982 1987 1973 1986 1971 1994 1990 1990
Mean Min. Temperature (F) 41.7 44.6 46.4 48.3 51.8 55.4 57.5 57.7 56.7 52.3 45.6 41.0 49.9
Highest Mean Min. Temperature (F) 48.8 48.8 50.5 52.3 56.9 58.8 60.9 61.0 60.2 56.7 50.5 48.4 61.0
Year Highest Occurred 1995 1996 1993 1992 1997 1981 1995 1990 1997 1987 1981 1983 1990
Lowest Mean Min. Temperature (F) 36.3 39.6 42.1 42.7 48.1 52.7 54.5 53.2 53.6 46.6 41.7 34.0 34.0
Year Lowest Occurred 1976 1974 1985 1975 1974 1980 1975 1975 1975 1971 1994 1990 1990
Mean Precipitation (in.) 3.03 2.84 2.69 1.02 0.44 0.10 0.06 0.07 0.23 0.87 1.73 2.00 15.08
Highest Precipitation (in.) 8.66 10.23 6.85 3.90 2.38 0.84 0.75 0.71 1.04 2.22 5.48 4.71 10.23
Year Highest Occurred 1995 1998 1995 1983 1990 1995 1980 1976 1982 1973 1972 1995 1998
Lowest Precipitation (in.) 0.17 0.14 0.06 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.04 0.00
Year Lowest Occurred 1984 1997 1988 1977 1992 1998 2000 1999 1997 1995 1995 1989 1992
Heating Degree Days (F) 450. 308. 267. 170. 95. 24. 4. 2. 13. 82. 289. 467. 2171.
Cooling Degree Days (F) 0. 0. 9. 25. 72. 131. 188. 183. 146. 54. 3. 0. 811.

Western Regional Climate Center, wrcc@dri.edu