SUMMERVILLE, SOUTH CAROLINA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 57.1 60.6 68.8 76.2 82.7 87.6 90.2 89.2 85.0 77.0 69.5 61.0 75.4
Highest Mean Max. Temperature (F) 70.4 70.0 74.1 80.2 89.2 93.0 96.1 93.3 90.5 82.3 75.9 67.7 80.3
Year Highest Occurred 1974 1976 1961 1967 1962 1981 1986 1980 1990 1990 1990 1971 1990
Lowest Mean Max. Temperature (F) 47.3 51.5 62.8 71.0 77.4 83.9 86.7 85.0 80.6 72.1 61.7 52.1 73.4
Year Lowest Occurred 1977 1978 1969 1983 1972 1979 1964 1981 1967 1976 1976 1989 1983
Mean Temperature (F) 44.9 47.8 55.7 62.6 70.5 76.9 80.0 79.3 74.6 64.4 56.1 48.3 63.4
Highest Mean Temperature (F) 59.5 56.6 60.7 66.4 75.5 81.9 84.4 81.9 78.4 70.8 65.7 57.5 67.2
Year Highest Occurred 1974 1990 1976 1967 1962 1981 1986 1987 1980 1985 1985 1971 1990
Lowest Mean Temperature (F) 36.0 39.9 49.8 57.8 67.9 72.3 77.0 76.2 69.1 58.9 49.2 40.5 61.9
Year Lowest Occurred 1977 1978 1969 1983 1972 1972 1974 1976 1967 1987 1976 1989 1969
Mean Min. Temperature (F) 32.8 35.1 42.5 48.9 58.3 66.1 69.8 69.4 64.1 51.8 42.7 35.6 51.4
Highest Mean Min. Temperature (F) 48.5 43.7 48.8 52.5 62.8 70.8 72.6 71.8 67.2 61.1 55.8 47.2 54.0
Year Highest Occurred 1974 1990 1973 1967 1975 1981 1986 1983 1979 1985 1985 1971 1990
Lowest Mean Min. Temperature (F) 24.7 26.4 36.8 44.5 54.6 60.1 66.1 66.5 57.5 43.6 36.6 28.4 49.7
Year Lowest Occurred 1977 1968 1969 1983 1989 1972 1974 1976 1967 1974 1976 1963 1988
Mean Precipitation (in.) 3.99 3.61 4.48 3.11 4.27 6.08 6.06 6.94 4.78 3.12 2.54 3.30 52.28
Highest Precipitation (in.) 7.87 7.25 11.58 8.39 8.06 19.42 14.00 16.26 14.00 10.76 5.91 6.12 68.89
Year Highest Occurred 1964 1964 1980 1961 1976 1973 1966 1988 1979 1968 1963 1972 1973
Lowest Precipitation (in.) 1.00 1.19 1.00 0.01 0.78 1.41 1.32 1.71 0.03 0.20 0.44 0.56 33.19
Year Lowest Occurred 1981 1977 1963 1976 1983 1980 1988 1980 1990 1972 1966 1984 1978
Heating Degree Days (F) 633. 482. 300. 104. 8. 0. 0. 0. 0. 115. 289. 525. 2456.
Cooling Degree Days (F) 10. 0. 11. 32. 178. 357. 465. 443. 288. 96. 22. 7. 1909.

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