Several rounds of thunderstorms repeating over the same locations may result in localized flash flooding through Wednesday night in southeastern California and southwest Arizona. High winds may down trees and power lines in portions of California, Montana, Colorado and Wyoming into Wednesday. Read More >
The following is a list of Rochester's Top 10 warmest, coldest, wettest, driest, snowiest, and least snowiest. Sorted by month. This data is unofficial. For official data, visit NCEI January | February | March | April | May | June | July | August | September | October | November | December | Annual
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Latest Update...Through Sept 2020
January |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 37.4 1932 14.8 1918 8.05 1878 0.52 1921 61.3 2004 1.0 1933 2 36.5 1880 14.9 1994 5.79 1978 0.72 1988 60.4 1978 1.5 1921 3 35.6 1933 15.2 1945 5.63 1998 0.81 1946 60.2 1966 4.0 1944 4 35.5 2006 15.5 1977 5.47 1874 0.94 1883 49.7 2005 5.0 1942 5 33.6 1990 15.7 1981 5.24 1898 0.94 1967 48.8 1999 6.2 1930 6 33.6 1913 16.1 1920 5.13 1884 0.95 1919 46.8 1959 6.3 1932 7 33.3 1950 16.1 1982 4.86 1913 1.03 1955 43.6 1982 6.7 1946 8 33.2 1937 16.5 1912 4.83 1890 1.10 1961 43.4 2003 6.8 1919 9 33.2 1906 17.0 1893 4.68 1881 1.11 1980 43.0 1994 7.4 1937 10 32.7 1890 17.2 2004 4.31 1900 1.18 1989 42.0 2000 7.6 1906 |
February |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 35.5 2017 12.2 2015 5.40 1876 0.35 1888 64.8 1958 4.1 1888 2 33.6 2018 12.6 1934 5.37 1896 0.46 1877 58.3 1960 4.7 1999 3 33.3 1976 13.7 1979 5.07 1950 0.66 1987 46.5 2007 6.1 1909 4 33.2 1984 14.4 1875 4.84 1878 0.68 1906 45.2 2015 6.1 1937 5 32.6 1998 14.5 1885 4.75 1887 0.69 1999 42.7 1910 6.4 1925 6 32.5 1882 16.2 1978 4.51 1942 0.72 2004 40.7 1978 6.8 1931 7 32.2 1981 16.3 1904 4.46 1960 0.74 1968 39.1 1996 7.2 1919 8 32.1 1954 17.4 1914 4.44 1900 0.89 1964 39.1 1979 8.0 1906 9 32.1 1925 17.7 1889 4.27 2008 0.91 1969 36.9 1901 8.0 1957 10 31.9 2002 17.8 1901 4.21 1971 0.97 1977 35.7 1972 8.1 1922 |
March |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 47.2 2012 21.0 1885 7.02 1873 0.47 1958 54.0 1900 T 2010 2 43.8 1945 22.0 1872 6.55 1936 0.70 1915 45.1 1896 0.9 1946 3 43.2 1946 22.4 1960 6.32 1896 0.73 1910 45.0 1999 1.2 1902 4 42.8 1921 24.5 1883 5.44 1900 0.77 1946 43.8 1916 1.2 1898 5 42.7 1898 24.5 1888 5.42 1942 0.85 2013 41.4 2001 1.4 2009 6 42.5 1973 25.2 1941 5.33 1881 0.94 1887 40.3 1959 1.4 1921 7 42.4 1903 25.4 1896 5.15 1913 0.96 1885 38.1 1992 2.0 1991 8 41.2 2000 25.4 1900 5.03 1951 1.04 1981 37.1 1993 2.4 1903 9 41.1 1910 26.0 1916 4.89 1878 1.10 1924 33.3 1956 3.0 1953 10 40.5 1929 26.5 1984 4.77 1932 1.11 2005 33.0 2017 3.1 1907 |
April |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 52.6 1878 36.0 1874 5.81 2011 0.94 1884 23.8 1901 0.0 1998 2 52.5 1921 38.6 1943 5.41 1929 1.06 1915 20.2 1979 T 2011 3 52.4 2010 39.3 1975 4.99 1874 1.09 1896 19.5 1904 T 2008 4 52.3 2008 39.7 1926 4.95 2017 1.12 1892 19.5 1885 T 2005 5 51.4 1915 40.0 1907 4.90 1944 1.15 1881 15.8 1990 T 1968 6 50.8 1955 40.0 1875 4.84 1996 1.18 1995 14.9 1975 T 1967 7 50.4 1945 40.2 1944 4.81 1943 1.19 2001 13.3 1894 T 1952 8 50.4 1896 40.4 1904 4.71 1873 1.19 1927 12.4 1982 T 1951 9 50.1 1942 40.8 1950 4.43 2005 1.22 1888 12.2 1983 T 1949 10 50.0 1991 40.9 2018 4.35 2000 1.27 2003 9.8 1909 T 1931 |
May |
Warmest Coldest Wettest Driest Snowiest 1 64.6 2018 49.1 1967 6.87 1894 0.24 2007 10.9 1989 2 64.0 2015 49.2 1917 6.62 1974 0.36 1977 3.3 1909 3 63.7 1911 49.6 1882 6.53 1883 0.50 1965 3.0 1908 4 63.2 1975 50.4 1997 6.00 1890 0.52 1934 2.0 1945 5 63.2 1944 50.4 1907 5.99 1989 0.53 1903 2.0 1911 6 63.2 1896 50.6 1924 5.87 2002 0.64 1939 1.5 1996 7 63.2 1880 51.2 1945 5.86 1881 0.78 1920 1.3 1907 8 63.0 2012 52.2 2005 5.80 1916 1.12 1891 1.0 1963 9 62.9 1998 52.2 1925 5.76 1990 1.17 1887 0.7 1923 10 62.8 1991 52.3 1883 5.69 1893 1.19 1925 0.6 1977 |
June |
Warmest Coldest Wettest Driest 1 73.0 1949 60.9 1881 8.14 1922 0.22 1963 2 72.8 1919 61.4 1958 7.11 1998 0.64 1965 3 70.8 1943 61.5 1926 6.77 1980 0.76 1929 4 70.7 1973 61.7 1985 6.68 1892 0.81 1952 5 70.7 1895 62.0 1902 6.65 1996 0.83 1921 6 70.6 1893 62.6 1918 6.56 1972 0.89 1898 7 70.5 2005 62.6 1916 6.40 1917 0.89 1912 8 70.4 1967 62.6 1897 6.27 2013 0.91 2016 9 70.2 1934 62.7 2004 6.25 2009 0.91 1909 10 70.2 1933 62.8 1917 6.20 2015 0.94 1893 |
July |
Warmest Coldest Wettest Driest 1 77.8 1921 65.4 1884 9.70 1947 0.43 1933 2 75.8 1952 66.2 2009 8.08 1945 0.61 1994 3 75.6 2020 66.6 1992 8.02 2006 0.89 1916 4 75.6 1935 67.1 1891 7.70 2014 0.91 1914 5 75.6 1916 67.1 2000 6.37 1897 0.98 1989 6 75.4 1955 67.5 1965 6.35 2004 0.98 1955 7 75.2 2018 67.5 1962 6.09 1998 1.07 1886 8 75.0 2006 67.7 1920 6.03 1992 1.12 1888 9 74.8 2016 67.7 1888 5.85 1987 1.13 1983 10 74.8 1931 67.8 1997 5.70 2010 1.14 1973 |
August |
Warmest Coldest Wettest Driest 1 75.9 2016 65.0 1927 7.26 1886 0.36 1876 2 75.0 1947 65.2 1885 6.05 1871 0.56 1899 3 74.5 1959 65.2 1912 6.00 1984 0.70 1894 4 74.3 1980 65.3 1903 5.95 1968 0.76 1951 5 74.2 1937 65.5 1963 5.83 1914 0.81 2007 6 73.9 1955 65.7 1986 5.71 1999 0.84 1874 7 73.7 1900 65.8 1946 5.67 1956 0.84 2002 8 73.6 2018 66.1 1982 5.65 1977 0.96 1957 9 73.6 1938 66.2 1964 5.61 2011 1.11 1985 10 73.4 1939 66.2 1902 5.61 1893 1.12 1925* |
September |
Warmest Coldest Wettest Driest 1 71.6 1881 56.2 1871 6.30 1977 0.28 1960 2 68.5 1961 56.6 1918 6.18 1925 0.39 1961 3 68.5 1921 56.7 1963 5.71 1924 0.46 1897 4 68.1 1931 58.0 1956 5.69 1876 0.50 1937 5 67.9 2015 58.0 1888 5.39 2006 0.51 1927 6 67.7 2018 58.0 1876 5.37 1981 0.51 1871 7 67.7 2002 58.4 1975 5.36 1997 0.58 1964 8 67.4 1971 58.6 1887 5.32 1979 0.71 1933 9 66.9 1934 58.6 1879 5.27 1938 0.75 1928 10 66.8 2016 58.6 1875 5.21 1945 0.82 1882 |
October |
Warmest Coldest Wettest Driest Snowiest 1 59.4 1947 43.8 1925 8.67 1873 0.08 1924 5.0 1906 2 59.4 1900 43.9 1889 8.14 1872 0.14 1938 2.6 1993 3 59.0 1971 44.2 1888 7.85 1955 0.23 1963 2.5 1930 4 58.0 2007 44.9 1895 6.71 2017 0.36 1947 2.2 1910 5 57.8 1879 45.8 1988 6.02 1906 0.58 1896 1.7 1885 6 57.7 2017 45.8 1917 5.70 1995 0.62 1882 1.5 1895 7 57.4 1920 45.8 1876 5.46 1919 0.67 1879 1.4 1960 8 57.3 1963 46.4 1992 5.40 1996 0.68 1966 1.4 1957 9 56.8 1946 46.6 1887 5.31 1880 0.76 1984 1.0 1934 10 56.0 1931 47.1 1987 5.26 2016 0.76 1964 1.0 1928 |
November |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 49.1 1931 30.6 1873 7.12 1927 0.33 1904 24.9 1996 0.0 1952 2 47.2 1975 32.7 1871 6.99 1985 0.44 1976 23.4 1995 0.0 1935 3 47.1 2001 33.3 1880 5.51 1950 0.46 1939 22.2 1886 T 2009 4 46.6 2015 33.7 1901 5.46 1877 0.48 1924 21.6 1997 T 1948 5 46.2 1948 33.8 1875 5.10 1945 0.71 2012 19.3 1933 0.1 1939 6 46.0 1902 34.2 1951 5.07 1878 0.73 1960 17.8 2019 0.1 1946 7 45.9 2006 34.3 1996 4.91 1983 0.80 1887 17.6 1983 0.1 1954 8 45.8 2011 34.6 1933 4.83 1972 0.97 2015 17.4 2018 0.1 1998 9 45.8 1994 34.8 1917 4.63 1921 1.01 1902 17.0 1900 0.1 2001 10 44.9 1999 34.9 1872 4.62 1889 1.01 1935 16.9 2002 0.2 1988 |
December |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 42.2 2015 17.1 1989 6.17 1878 0.62 1958 46.5 2010 2.3 2015 2 39.0 2006 19.5 1876 5.05 1944 0.77 1943 46.2 2008 2.6 1928 3 37.4 1982 19.9 1872 4.65 1977 0.78 1928 46.1 1981 2.6 1939 4 37.4 1923 20.5 1917 4.64 1959 1.00 1874 44.2 1970 4.1 1932 5 36.6 1889 21.4 1958 4.60 1873 1.03 1960 42.0 1969 4.3 2006 6 36.2 2012 21.7 1963 4.48 1942 1.11 1988 41.8 2007 4.7 1891 7 36.2 1911 22.4 1910 4.47 1983 1.15 1908 41.8 1944 4.9 2011 8 36.2 1891 22.6 2000 4.35 1978 1.23 1961 41.1 2002 5.0 1931 9 36.2 1881 22.8 1886 4.28 2007 1.24 1938 39.3 2000 5.1 1943 10 35.9 2001 23.0 1945 4.18 1990 1.25 1921 35.2 1977 5.9 1941 |
Annual |
Warmest Coldest Wettest Driest Snowiest Least Snow 1 51.8 2012 44.1 1875 49.89 1873 20.30 1887 161.7 1959-60 29.2 1932-33 2 51.5 2006 44.5 1917 48.81 1878 22.45 1964 160.9 1977-78 36.0 1918-19 3 51.4 1931 44.9 1888 45.37 2017 24.02 1941 142.7 1970-71 41.7 1952-53 4 51.4 1921 45.0 1885 45.06 1996 24.09 1963 141.5 1900-01 44.3 1905-06 5 51.1 2016 45.1 1904 44.10 1945 24.46 1934 140.6 1958-59 46.1 1943-44 6 50.7 1998 45.2 1873 43.09 1890 24.60 1988 138.5 1978-79 49.5 1934-35 7 50.5 2017 45.3 1872 41.96 1998 24.73 1882 135.2 2002-03 49.5 1945-46 8 50.5 1973 45.7 1926 41.80 1880 25.16 1965 133.0 2000-01 50.7 1887-88 9 50.3 1953 46.0 1924 41.44 1947 25.19 1939 131.5 1992-93 50.9 1948-49 10 50.2 1949 46.2 1958 41.06 2006 25.56 1933 131.3 1899-00 54.5 1939-40 |