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
Apr 1 26° 50° 12° (1984) 82° (1998) 0.1" NA
Apr 2 26° 50° 14° (1984) 81° (1986) 0.1" NA
Apr 3 27° 51° 16° (1991) 65° (1988) 0.1" NA
Apr 4 27° 51° 16° (1975) 77° (1999) 0.1" NA
Apr 5 27° 52° 14° (1972) 78° (1981) 0.1" NA
Apr 6 28° 52° 17° (1975) 76° (1985) 0.1" NA
Apr 7 28° 52° 8° (1982) 76° (1997) 0.1" NA
Apr 8 28° 53° 8° (1982) 82° (1991) 0.1" NA
Apr 9 29° 53° 9° (1972) 79° (1991) 0.11" NA
Apr 10 29° 54° 9° (1985) 75° (1991) 0.11" NA
Apr 11 29° 54° 15° (1989) 69° (1987) 0.11" NA
Apr 12 29° 54° 13° (1975) 81° (1977) 0.11" NA
Apr 13 30° 55° 16° (1990) 79° (1977) 0.11" NA
Apr 14 30° 55° 15° (1975) 80° (1977) 0.11" NA
Apr 15 30° 56° 18° (1971) 72° (1974) 0.11" NA
Apr 16 31° 56° 16° (1981) 82° (1994) 0.11" NA
Apr 17 31° 56° 17° (1980) 80° (1976) 0.11" NA
Apr 18 31° 57° 21° (1978) 84° (1976) 0.11" NA
Apr 19 32° 57° 21° (1988) 87° (1976) 0.1" NA
Apr 20 32° 58° 18° (1974) 82° (1976) 0.1" NA
Apr 21 32° 58° 15° (1981) 80° (1985) 0.1" NA
Apr 22 33° 59° 17° (1975) 84° (1976) 0.1" NA
Apr 23 33° 59° 15° (1989) 83° (1985) 0.1" NA
Apr 24 33° 59° 16° (1989) 85° (1985) 0.1" NA
Apr 25 34° 60° 20° (1999) 79° (1990) 0.1" NA
Apr 26 34° 60° 18° (1972) 84° (1990) 0.1" NA
Apr 27 34° 61° 21° (1993) 85° (1990) 0.1" NA
Apr 28 35° 61° 18° (1972) 86° (1990) 0.1" NA
Apr 29 35° 62° 19° (1977) 88° (1990) 0.1" NA
Apr 30 35° 62° 22° (1977) 79° (1974) 0.1" NA
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