Grafton, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 29° -27° (1968) 61° (1995) 3.09" 18.3"
February 15° 32° -23° (1979) 62° (1981) 2.45" 17.8"
March 23° 41° -11° (1989) 83° (1998) 3.39" 11.6"
April 34° 54° 5° (1982) 88° (2002) 3.88" 5.8"
May 46° 67° 21° (1966) 88° (1962) 4.63" 0.7"
June 54° 74° 32° (1986) 92° (1964) 4.67" 0"
July 58° 78° 39° (1963) 93° (1995) 4.34" 0"
August 57° 76° 32° (1982) 94° (2002) 4.81" 0"
September 49° 68° 26° (1957) 95° (1953) 4.19" 0"
October 39° 57° 15° (1976) 83° (1963) 4.05" 0.9"
November 30° 44° 0° (1958) 78° (1950) 3.98" 7.4"
December 19° 33° -23° (1980) 67° (1966) 2.99" 17.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 24° 38° 3° (1976) 59° (2001) 0.11" NA
Dec 2 24° 38° -2° (1989) 57° (1998) 0.11" NA
Dec 3 23° 37° -8° (1976) 59° (1950) 0.11" NA
Dec 4 23° 37° -5° (1989) 59° (1973) 0.11" NA
Dec 5 22° 37° 0° (1989) 59° (2001) 0.11" NA
Dec 6 22° 36° 0° (1954) 65° (2001) 0.1" NA
Dec 7 22° 36° 2° (1964) 65° (1951) 0.1" NA
Dec 8 21° 36° -2° (1970) 59° (1966) 0.1" NA
Dec 9 21° 35° -7° (2002) 67° (1966) 0.1" NA
Dec 10 21° 35° -10° (1968) 63° (1966) 0.1" NA
Dec 11 20° 35° -12° (1977) 59° (1966) 0.1" NA
Dec 12 20° 34° -11° (1977) 57° (1979) 0.1" NA
Dec 13 20° 34° -8° (1960) 56° (1979) 0.1" NA
Dec 14 19° 34° -7° (1976) 52° (1975) 0.09" NA
Dec 15 19° 34° -5° (1962) 57° (1975) 0.09" NA
Dec 16 19° 33° -7° (1951) 54° (1982) 0.09" NA
Dec 17 18° 33° -6° (1951) 58° (2000) 0.09" NA
Dec 18 18° 33° -2° (1972) 51° (1996) 0.09" NA
Dec 19 18° 32° -8° (1989) 47° (1957) 0.09" NA
Dec 20 17° 32° -16° (1955) 56° (1957) 0.09" NA
Dec 21 17° 32° -23° (1955) 56° (1957) 0.09" NA
Dec 22 17° 32° -12° (1989) 58° (1990) 0.09" NA
Dec 23 17° 31° -13° (1989) 61° (1990) 0.09" NA
Dec 24 16° 31° -14° (1975) 52° (1965) 0.09" NA
Dec 25 16° 31° -23° (1980) 58° (1964) 0.09" NA
Dec 26 16° 31° -20° (1980) 59° (1964) 0.09" NA
Dec 27 16° 31° -13° (1989) 59° (1964) 0.09" NA
Dec 28 15° 30° -10° (1952) 52° (1982) 0.09" NA
Dec 29 15° 30° -5° (1993) 61° (1984) 0.09" NA
Dec 30 15° 30° -12° (1962) 59° (1984) 0.1" NA
Dec 31 15° 30° -18° (1962) 55° (1965) 0.1" NA
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