Portville, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 31° -34° (1984) 62° (1995) 2.31" NA
February 12° 34° -32° (1979) 65° (1998) 1.84" NA
March 21° 44° -20° (1980) 82° (1986) 2.77" NA
April 31° 56° 8° (1982) 88° (1990) 3.1" NA
May 40° 68° 19° (1985) 92° (1996) 3.4" NA
June 49° 76° 26° (1972) 91° (1999) 5.07" NA
July 54° 79° 35° (1988) 97° (1988) 4.21" NA
August 53° 78° 31° (1988) 93° (1999) 3.78" NA
September 45° 70° 23° (1991) 88° (1999) 4.12" NA
October 34° 60° 12° (1975) 82° (1986) 3.13" NA
November 28° 47° 0° (1976) 76° (1982) 3.17" NA
December 18° 36° -25° (1980) 68° (1998) 2.75" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 52° 78° 35° (1988) 88° (1981) 0.16" NA
Jul 2 52° 78° 37° (1982) 84° (1970) 0.16" NA
Jul 3 52° 78° 36° (1977) 85° (1983) 0.16" NA
Jul 4 53° 78° 40° (1971) 88° (1983) 0.16" NA
Jul 5 53° 79° 38° (1979) 93° (1990) 0.15" NA
Jul 6 53° 79° 36° (1979) 92° (1993) 0.15" NA
Jul 7 53° 79° 35° (1983) 93° (1988) 0.15" NA
Jul 8 53° 79° 40° (1984) 94° (1988) 0.15" NA
Jul 9 53° 79° 39° (1984) 95° (1988) 0.15" NA
Jul 10 53° 79° 38° (1983) 94° (1988) 0.14" NA
Jul 11 53° 79° 37° (1978) 93° (1988) 0.14" NA
Jul 12 53° 79° 36° (1973) 88° (1987) 0.14" NA
Jul 13 54° 79° 39° (1978) 89° (1983) 0.14" NA
Jul 14 54° 79° 42° (1980) 89° (1995) 0.14" NA
Jul 15 54° 79° 42° (1991) 91° (1995) 0.13" NA
Jul 16 54° 79° 45° (1981) 93° (1995) 0.13" NA
Jul 17 54° 79° 38° (1974) 97° (1988) 0.13" NA
Jul 18 54° 80° 36° (1971) 89° (1983) 0.13" NA
Jul 19 54° 80° 44° (1971) 90° (1988) 0.13" NA
Jul 20 54° 80° 42° (1997) 88° (1991) 0.13" NA
Jul 21 54° 80° 36° (1974) 92° (1991) 0.13" NA
Jul 22 54° 80° 39° (1970) 92° (1980) 0.13" NA
Jul 23 54° 80° 36° (1981) 90° (1991) 0.12" NA
Jul 24 54° 80° 38° (1985) 89° (1987) 0.12" NA
Jul 25 54° 80° 41° (1976) 87° (1987) 0.12" NA
Jul 26 54° 80° 38° (1976) 88° (1989) 0.12" NA
Jul 27 54° 80° 40° (1977) 87° (1989) 0.12" NA
Jul 28 54° 80° 37° (1971) 86° (1999) 0.12" NA
Jul 29 54° 80° 43° (1972) 90° (1993) 0.12" NA
Jul 30 54° 80° 40° (1997) 90° (1988) 0.12" NA
Jul 31 54° 79° 43° (1997) 90° (1999) 0.12" NA
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