Rochester Temperature Records
Mean Temperature for a Year

Warmest   Coldest
1. 50.2 2012   1. 39.8 1917
2. 49.8 1931   2. 40.9 1996
3. 47.5 1998   3. 41.0 1937
    1987   4. 41.1 1972
5. 46.8 1941   5. 41.2 1951
6. 46.3 2005   6. 41.4 1950
7. 46.2 2007   7. 41.5 1978
    1942   8. 42.0 1985
    1934   9. 42.1 1979
10. 46.0 2010       1929


Highest Mean Temperature for Months
January   February   March   April
1. 28.1 2006   1. 32.0 1931   1. 49.1 2012   1. 54.5 1915
2. 25.8 1990   2. 31.8 1954   2. 42.9 1910   2. 53.0 2010
3. 25.7 1933   3. 29.4 1998   3. 42.5 1946       1977
4. 24.5 1944   4. 29.3 1987   4. 39.2  2000   4. 51.7 1955
5. 24.3 2002   5. 28.8 1930       1973   5. 51.6 1941
6. 22.8 2012   6. 28.2 1976   6. 39.0 1945   6. 51.3 2006
    1914   7. 27.7 2012   7. 38.7 1977   7. 50.8 1987
8. 21.7 1989   8. 26.7 1992   8. 38.3 2010   8. 50.7 1942
9. 21.5 1919   9. 26.3 2000   9. 36.7 1968   9. 50.4 1985
10. 21.4 1992   10. 26.2 1999   10. 36.1 1987   10. 50.0 2005
                             
May   June   July   August
1. 66.2 1934   1. 73.9 1933   1. 77.7 1936   1. 77.0 1947
2. 64.5 1977   2. 72.4 1931   2. 77.3 1916   2. 74.5 1955
3. 63.3 2012   3. 72.2 1991   3. 77.2 1955   3. 74.3 1937
    1887   4. 71.9 2005   4. 77.1 2012   4. 73.6 1983
5. 63.2 1998       1956   5. 75.7 1935   5. 73.4 1936
6. 62.6 2007       1934   6. 75.3 1949   6. 73.3 1995
    1936   7. 71.6 1949   7. 75.1 2011   7. 73.2 1909
8. 62.3 1941   8. 71.4 1971   8. 75.0 1957   8. 73.0 1959
9. 62.1 1939   9. 71.1 1911   9. 74.5 1974   9. 72.7 2010
10. 61.7 1988   10. 71.0 2012   10. 74.3 2006   10. 72.6 1988
September   October   November   December
1. 69.9 1908   1. 58.1 1963   1. 45.4 2001   1. 30.7 1931
2. 65.3 1948   2. 57.8 1947   2. 42.8 2009   2. 29.5 1959
3. 65.2 1933   3. 55.5 1956   3. 40.4 1913       1913
4. 64.7 2005   4. 54.6 1914   4.  40.1  1999   4. 29.0 2006
5. 64.4 2004   5. 54.4 2007       1931   5. 28.5 1965
    1998   6. 54.3 1953   6. 38.7 1963   6. 28.1 1939
7. 64.3 1920   7. 53.9 1973   7. 38.5 2011   7. 26.6 1941
8. 64.0 1939       1950   8.  38.4 2012   8. 26.4 2001
9.   1919   9. 53.5 1971   9.  38.0 1909   9. 26.1 1982
10. 63.9 2007   10. 53.0 2011   10. 37.8  1944   10. 26.0 1979
                    1934        
                             



Lowest Mean Temperature for Months
January   February   March   April
1. -3.8 1912   1. 0.5 1936   1. 17.8 1888   1. 37.6 1950
2. -2.0 1888   2. 5.3 1917   2. 18.1 1965   2. 37.9 1961
3. -1.8 1977   3. 5.7 1979   3. 18.9 1960   3. 38.3 1909
4. -1.5 1979   4. 7.3 1888   4. 19.9 1932   4. 39.3 1983
5. 1.5 1887   5. 8.2 1929   5. 21.0 1975   5. 39.4 1953
6. 1.9 1918   6. 8.3 1978   6. 21.3 1969   6. 39.6 1975
7. 2.7 1893   7. 8.4 1887       1951   7. 39.7 1920
8. 3.0 1982   8. 9.2 1910   8. 22.0 1912   8. 40.1 1936
    1929   9. 9.4 1989   9. 23.4 1984   9. 40.5 1956
10. 3.2 1966   10. 9.8 1937   10. 23.6 1950   10. 40.7 1951
May   June   July   August
1. 49.6 1888   1. 59.6 1969   1. 64.2 1992   1. 63.2 1992
2. 51.0 1945   2. 60.2 1958   2. 65.3 2009   2. 63.5 2004
3. 51.3 1997   3. 60.8 1945   3.  66.8  1996   3. 63.6 1915
    1967   4. 61.3 1915       1958   4. 64.0 1986
5. 51.6 1968   5. 61.5 1982   5. 66.9 1967   5. 64.2 1967
6. 51.7 1954   6. 61.8 1916   6. 67.0 1915   6. 64.9 1994
7. 51.8 1983   7. 61.9 1935   7. 67.2 1971   7. 65.1 1977
    1966   8. 62.4 1917   8. 67.3 1994   8. 65.3 1985
9. 51.9 1935   9. 62.6 1985   9.  67.4  1962   9. 65.4 1997
10. 52.0 1947   10. 63.0 1960       1888   .   1933
    1910                        
September   October   November   December
1. 54.7 1974   1. 37.5 1917   1. 23.0 1985   1. 2.9 1983
2. 54.9 1965   2. 41.2 1887   2. 23.8 1911   2. 6.1 2000
    1918   3. 41.8 2002   3. 24.0 1991   3. 6.3 1985
4. 56.2 1984   4. 42.0 1988   4. 24.6 1996   4. 7.8 1886
    1975       1976   5. 24.7 1959   5. 9.1 1917
    1888       1952   6. 24.8 1951   6. 9.6 1976
7. 56.4 1943   7. 42.3 1987   7. 24.9 1976       1963
8. 56.6 1962   8. 42.5 2009   8. 26.3 1986   8. 9.7 1919
9. 56.8 1942   9. 43.2 1972       1955   9. 10.0 1989
10. 56.9 1951       1937   10. 26.9 1910   10. 10.8 1950


Mean Temperature for a Month
Warmest   Coldest
1. 77.7 July 1936   1. -2.3 January 1912
2. 77.3 July 1916   2. -2.0 January 1888
3.  77.2  July 1955   3. -1.8 January 1977
4. 77.1 July 2012   4. -1.5 January 1979
5. 77.0 August 1947   5. 0.5 February 1936
6. 75.7 July 1935   6. 1.5 January 1887
7. 75.3 July 1949   7. 1.9 January 1918
8. 75.1 July 2011   8. 2.7 January 1893
9. 75.0 July 1957   9. 2.9 December 1983
10. 74.5 July 1974   10. 3.0 January 1982
    August 1955                 January 1929

 

Record Daily Temperature

 

Warmest   Coldest
1. 108 July 14, 1936   1. -42 January 7, 1887
2. 107 July 13, 1936   2. -40 January 30, 1951
    July 12, 1936   3. -39 February 20, 1930
4. 106 May 31, 1934       January 13, 1912
5. 105 July 10, 1936       January 12, 1912
    July 6, 1936       January 21, 1888
    June 27, 1934   7. -37 January 22, 1888
8. 104 July 11, 1936   8. -36 January 15, 1888
9. 102 July 31, 1988   9. -35 February 2, 1996
    July 10, 1976   10. -34 February 24, 1936
    July 19, 1940       January 24, 1935
    July 17, 1936       January 23, 1935
    July 7, 1936        


Records are from 1886.

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