Portland, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 19° 34° -16° (1994) 71° (1950) 2.46" 20.6"
February 19° 36° -19° (1979) 70° (2000) 2.2" 16.5"
March 27° 46° -13° (1980) 82° (1998) 2.98" 11.5"
April 37° 57° 13° (1965) 90° (1990) 3.39" 3.4"
May 49° 69° 28° (1966) 91° (1998) 3.65" 0.4"
June 58° 78° 35° (1972) 97° (1999) 4.37" 0"
July 63° 82° 46° (1966) 96° (1988) 4.15" 0"
August 62° 79° 41° (1982) 99° (1999) 4.45" 0"
September 55° 72° 34° (1956) 95° (1953) 5.3" 0"
October 45° 61° 25° (1965) 87° (1951) 4.75" 0.5"
November 35° 49° 6° (1976) 81° (1950) 4.42" 8.5"
December 25° 39° -8° (1983) 72° (2001) 3.51" 26.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 43° 63° 28° (1963) 86° (1970) 0.11" NA
May 2 44° 64° 31° (1966) 80° (2001) 0.11" NA
May 3 44° 64° 29° (1966) 86° (2001) 0.11" NA
May 4 44° 65° 31° (2002) 87° (2001) 0.11" NA
May 5 45° 65° 33° (1974) 87° (1950) 0.11" NA
May 6 45° 66° 30° (1968) 87° (1999) 0.11" NA
May 7 46° 66° 28° (1966) 87° (2000) 0.11" NA
May 8 46° 66° 30° (1956) 87° (1979) 0.11" NA
May 9 46° 67° 30° (1966) 89° (2000) 0.11" NA
May 10 47° 67° 30° (1966) 84° (2000) 0.11" NA
May 11 47° 67° 29° (2002) 84° (1979) 0.11" NA
May 12 47° 68° 33° (1996) 83° (1992) 0.11" NA
May 13 48° 68° 31° (1967) 84° (1998) 0.11" NA
May 14 48° 68° 35° (1967) 85° (1974) 0.11" NA
May 15 48° 69° 33° (1959) 88° (1998) 0.12" NA
May 16 49° 69° 33° (1959) 88° (1991) 0.12" NA
May 17 49° 70° 33° (1983) 90° (1999) 0.12" NA
May 18 50° 70° 35° (1973) 88° (1998) 0.12" NA
May 19 50° 70° 34° (2002) 91° (1998) 0.12" NA
May 20 50° 71° 31° (2002) 87° (1962) 0.12" NA
May 21 51° 71° 35° (1967) 88° (1977) 0.12" NA
May 22 51° 71° 38° (1948) 87° (1977) 0.12" NA
May 23 51° 71° 34° (1967) 86° (1991) 0.12" NA
May 24 52° 72° 32° (1956) 84° (1964) 0.12" NA
May 25 52° 72° 34° (1956) 83° (1975) 0.13" NA
May 26 52° 72° 35° (1969) 83° (1965) 0.13" NA
May 27 52° 73° 38° (1961) 87° (1955) 0.13" NA
May 28 53° 73° 38° (1949) 86° (1987) 0.13" NA
May 29 53° 73° 36° (1966) 88° (1999) 0.13" NA
May 30 53° 74° 37° (1961) 89° (1999) 0.13" NA
May 31 54° 74° 37° (1966) 86° (1977) 0.13" NA
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