SONORA, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 55.0 58.6 61.1 67.2 77.3 87.1 94.8 93.7 87.0 76.9 62.4 54.4 73.0
Highest Mean Max. Temperature (F) 61.0 65.0 68.8 77.1 83.0 93.3 99.6 100.6 92.1 83.0 68.9 62.5 75.0
Year Highest Occurred 1961 1963 1972 1966 1966 1981 1967 1967 1974 1965 1967 1962 1966
Lowest Mean Max. Temperature (F) 49.7 50.7 54.5 54.4 67.7 81.3 88.7 83.8 78.6 70.3 55.6 47.9 70.0
Year Lowest Occurred 1972 1969 1973 1967 1977 1965 1987 1976 1985 1969 1972 1971 1982
Mean Temperature (F) 43.4 46.2 48.8 53.6 61.2 69.2 75.8 74.8 69.0 60.1 49.4 43.1 57.9
Highest Mean Temperature (F) 49.0 54.1 54.2 60.2 65.5 75.1 81.0 80.5 74.1 65.0 55.2 49.9 60.4
Year Highest Occurred 1986 1963 1972 1987 1973 1961 1961 1967 1963 1964 1967 1962 1961
Lowest Mean Temperature (F) 39.1 41.3 44.6 44.6 54.3 64.5 68.5 68.1 60.8 54.2 44.7 38.1 56.1
Year Lowest Occurred 1985 1969 1973 1967 1977 1980 1987 1976 1986 1984 1985 1972 1982
Mean Min. Temperature (F) 31.7 33.8 36.4 39.9 45.2 51.2 56.8 55.9 51.0 43.3 36.3 31.8 42.8
Highest Mean Min. Temperature (F) 37.9 43.1 43.5 44.9 50.2 58.5 62.6 63.4 58.4 49.7 41.4 38.6 45.8
Year Highest Occurred 1986 1963 1978 1990 1963 1961 1961 1961 1963 1963 1967 1964 1961
Lowest Mean Min. Temperature (F) 25.0 28.2 31.8 33.8 40.8 47.1 48.2 51.6 42.8 37.8 29.9 25.9 39.7
Year Lowest Occurred 1985 1964 1987 1975 1977 1980 1987 1985 1986 1984 1986 1990 1985
Mean Precipitation (in.) 5.57 5.02 5.27 2.73 0.78 0.21 0.06 0.17 0.60 1.84 4.75 4.55 31.55
Highest Precipitation (in.) 17.15 14.86 13.12 10.32 3.23 1.52 1.18 1.98 3.50 5.91 12.72 14.23 62.10
Year Highest Occurred 1969 1986 1982 1967 1990 1970 1974 1976 1978 1982 1983 1964 1983
Lowest Precipitation (in.) 0.48 0.20 0.22 0.33 0.00 0.00 0.00 0.00 0.00 0.00 0.55 0.00 15.06
Year Lowest Occurred 1976 1964 1972 1977 1985 1990 1990 1990 1988 1990 1986 1989 1976
Heating Degree Days (F) 670. 526. 502. 364. 154. 30. 0. 5. 49. 190. 468. 679. 3637.
Cooling Degree Days (F) 0. 0. 0. 22. 36. 156. 339. 309. 169. 38. 0. 0. 1069.

Western Regional Climate Center, wrcc@dri.edu