SUMMERVILLE, SOUTH CAROLINA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 58.2 61.8 69.3 76.2 82.8 87.8 90.8 89.4 85.0 76.8 69.4 61.0 75.7
Highest Mean Max. Temperature (F) 70.4 70.0 76.0 79.9 87.0 93.3 96.4 93.3 90.5 82.3 75.9 67.7 96.4
Year Highest Occurred 1974 1976 1997 1994 1995 1998 1993 1980 1990 1990 1990 1971 1993
Lowest Mean Max. Temperature (F) 47.3 51.5 63.0 71.0 77.3 83.0 87.0 85.0 81.3 72.1 61.7 52.1 47.3
Year Lowest Occurred 1977 1978 1971 1983 1972 1997 1975 1981 1995 1976 1976 1989 1977
Mean Temperature (F) 46.5 49.1 56.2 62.6 70.7 77.2 80.8 79.8 75.1 64.8 56.9 49.0 64.1
Highest Mean Temperature (F) 59.9 56.6 62.5 68.3 75.9 81.9 84.8 82.5 79.3 70.8 65.7 58.0 84.8
Year Highest Occurred 1974 1990 1997 1991 1991 1981 1993 1980 1980 1985 1985 1971 1993
Lowest Mean Temperature (F) 36.4 40.1 50.3 57.7 66.6 72.7 77.7 77.0 71.4 58.9 50.1 40.5 36.4
Year Lowest Occurred 1977 1978 1971 1983 1997 1972 1974 1976 1984 1987 1976 1989 1977
Mean Min. Temperature (F) 34.8 36.4 43.1 48.9 58.5 66.6 70.8 70.1 65.1 52.8 44.3 37.0 52.4
Highest Mean Min. Temperature (F) 49.3 43.7 49.0 56.8 65.9 70.7 73.1 72.2 69.2 61.1 55.8 48.3 73.1
Year Highest Occurred 1974 1990 1973 1991 1991 1981 1993 1995 1979 1985 1985 1971 1993
Lowest Mean Min. Temperature (F) 25.0 28.6 37.6 44.4 53.3 60.3 67.4 66.7 61.1 44.9 38.4 28.9 25.0
Year Lowest Occurred 1981 1978 1971 1983 1997 1988 1974 1997 1981 1987 1976 1989 1981
Mean Precipitation (in.) 4.82 3.41 4.40 3.15 3.70 6.00 6.09 6.64 5.83 3.22 2.79 3.42 53.47
Highest Precipitation (in.) 9.29 8.93 11.58 6.48 8.38 19.42 14.40 16.26 14.00 9.29 7.24 6.12 19.42
Year Highest Occurred 1991 1998 1980 1982 1991 1973 1994 1988 1979 1990 1992 1972 1973
Lowest Precipitation (in.) 1.00 0.91 1.27 0.01 0.46 1.41 1.32 1.71 0.03 0.00 0.75 0.56 0.00
Year Lowest Occurred 1981 2000 1985 1976 2000 1980 1988 1980 1990 2000 1973 1984 2000
Heating Degree Days (F) 586. 447. 289. 122. 18. 0. 0. 0. 2. 109. 275. 504. 2352.
Cooling Degree Days (F) 0. 2. 17. 48. 193. 367. 490. 456. 304. 102. 29. 8. 2016.

Southeast Regional Climate Center, sercc@climate.ncsu.edu