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) 1.91" 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
Jun 1 45° 73° 31° (1971) 85° (1999) 0.15" NA
Jun 2 46° 73° 30° (1994) 84° (1989) 0.15" NA
Jun 3 46° 73° 28° (1986) 84° (1978) 0.15" NA
Jun 4 46° 73° 30° (1977) 80° (1991) 0.16" NA
Jun 5 47° 73° 31° (1998) 81° (1971) 0.16" NA
Jun 6 47° 74° 34° (1978) 84° (1973) 0.16" NA
Jun 7 47° 74° 35° (1970) 87° (1999) 0.16" NA
Jun 8 47° 74° 34° (1977) 87° (1999) 0.17" NA
Jun 9 48° 74° 28° (1983) 84° (1984) 0.17" NA
Jun 10 48° 75° 28° (1988) 85° (1984) 0.17" NA
Jun 11 48° 75° 26° (1972) 89° (1999) 0.17" NA
Jun 12 48° 75° 29° (1980) 87° (1973) 0.17" NA
Jun 13 49° 75° 32° (1979) 85° (1983) 0.17" NA
Jun 14 49° 75° 32° (1979) 87° (1984) 0.17" NA
Jun 15 49° 75° 33° (1978) 89° (1988) 0.18" NA
Jun 16 49° 76° 30° (1984) 90° (1994) 0.18" NA
Jun 17 49° 76° 34° (1980) 90° (1994) 0.18" NA
Jun 18 50° 76° 33° (1980) 90° (1994) 0.18" NA
Jun 19 50° 76° 35° (1999) 90° (1994) 0.18" NA
Jun 20 50° 76° 36° (1970) 90° (1995) 0.18" NA
Jun 21 50° 77° 34° (1970) 90° (1995) 0.18" NA
Jun 22 51° 77° 38° (1977) 88° (1988) 0.18" NA
Jun 23 51° 77° 35° (1992) 86° (1988) 0.17" NA
Jun 24 51° 77° 34° (1993) 84° (1975) 0.17" NA
Jun 25 51° 77° 32° (1979) 86° (1999) 0.17" NA
Jun 26 51° 77° 30° (1979) 89° (1988) 0.17" NA
Jun 27 51° 78° 38° (1981) 89° (1999) 0.17" NA
Jun 28 52° 78° 34° (1988) 91° (1999) 0.17" NA
Jun 29 52° 78° 40° (1970) 90° (1991) 0.17" NA
Jun 30 52° 78° 37° (1989) 88° (1991) 0.16" NA
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