National Weather Service United States Department of Commerce
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

 

 Latest Update...Through June 2019

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    1935    66.6    1992    8.02    2006    0.89    1916
4    75.6    1916    67.1    1891    7.70    2014    0.91    1914
5    75.4    1955    67.1    2000    6.37    1897    0.98    1989
6    75.2    2018    67.5    1965    6.35    2004    0.98    1955
7    75.0    2006    67.5    1962    6.09    1998    1.07    1886
8    74.8    2016    67.7    1920    6.03    1992    1.12    1888
9    74.8    1931    67.7    1888    5.85    1987    1.13    1983
10   74.7    1887    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    17.6    1983    0.1    1946
7    45.9    2006    34.3    1996    4.91    1983    0.80    1887    17.4    2018    0.1    1954
8    45.8    2011    34.6    1933    4.83    1972    0.97    2015    17.0    1900    0.1    1998
9    45.8    1994    34.8    1917    4.63    1921    1.01    1902    16.9    1972    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