HILTON HEAD, SOUTH CAROLINA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 60.0 62.9 69.5 76.3 82.5 87.2 89.7 88.5 84.9 78.1 70.4 63.2 76.1
Highest Mean Max. Temperature (F) 72.3 70.0 75.7 80.7 87.5 93.4 93.7 91.7 89.8 82.6 76.7 72.8 78.7
Year Highest Occurred 1974 1962 1974 1986 1962 1981 1986 1987 1980 1984 1985 1984 1986
Lowest Mean Max. Temperature (F) 51.1 55.0 63.6 71.8 79.1 83.3 86.1 85.7 81.4 72.7 63.4 54.1 74.0
Year Lowest Occurred 1977 1978 1969 1961 1972 1966 1964 1969 1967 1987 1976 1989 1988
Mean Temperature (F) 49.0 51.5 58.5 65.1 72.2 78.0 80.8 80.0 76.3 67.7 59.4 52.1 65.9
Highest Mean Temperature (F) 62.4 58.7 63.0 68.7 76.1 83.4 84.4 82.8 80.3 74.2 68.0 59.9 68.5
Year Highest Occurred 1974 1990 1974 1967 1962 1981 1986 1987 1980 1985 1985 1984 1986
Lowest Mean Temperature (F) 40.6 44.1 52.8 61.1 70.2 73.7 77.3 77.6 71.4 61.9 52.2 44.0 63.9
Year Lowest Occurred 1977 1978 1969 1961 1972 1966 1963 1976 1967 1976 1976 1989 1963
Mean Min. Temperature (F) 38.0 40.1 47.4 53.9 62.0 68.8 71.9 71.5 67.7 57.3 48.3 40.8 55.6
Highest Mean Min. Temperature (F) 52.4 49.6 52.7 57.9 64.8 73.4 75.0 73.9 71.0 66.4 59.2 49.4 58.7
Year Highest Occurred 1974 1990 1973 1967 1975 1981 1986 1987 1986 1985 1985 1982 1990
Lowest Mean Min. Temperature (F) 30.0 33.1 41.9 49.9 59.9 64.1 66.4 69.3 61.4 49.5 40.9 33.2 53.4
Year Lowest Occurred 1977 1978 1969 1987 1981 1966 1963 1976 1967 1976 1976 1963 1979
Mean Precipitation (in.) 3.65 3.48 3.93 3.04 3.63 5.25 6.15 8.89 5.08 2.64 2.43 3.19 51.36
Highest Precipitation (in.) 11.35 7.27 8.47 7.03 12.23 14.31 17.59 16.26 21.79 8.43 6.44 7.20 74.20
Year Highest Occurred 1987 1964 1965 1961 1966 1963 1964 1971 1988 1990 1969 1977 1964
Lowest Precipitation (in.) 0.53 0.66 1.25 0.15 0.43 0.24 0.91 1.12 0.45 0.30 0.22 0.12 35.97
Year Lowest Occurred 1974 1989 1963 1987 1982 1970 1989 1980 1985 1972 1966 1984 1980
Heating Degree Days (F) 508. 387. 224. 58. 0. 0. 0. 0. 0. 59. 203. 412. 1851.
Cooling Degree Days (F) 12. 9. 22. 61. 223. 390. 490. 465. 339. 143. 35. 12. 2201.

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