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) 2.29" 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
Sep 1 59° 76° 47° (1967) 91° (1953) 0.17" NA
Sep 2 59° 76° 48° (1970) 94° (1953) 0.17" NA
Sep 3 59° 76° 46° (1967) 95° (1953) 0.17" NA
Sep 4 58° 76° 47° (1974) 94° (1953) 0.17" NA
Sep 5 58° 75° 45° (1963) 89° (1954) 0.17" NA
Sep 6 58° 75° 44° (1976) 90° (1959) 0.17" NA
Sep 7 58° 75° 43° (1962) 92° (2002) 0.18" NA
Sep 8 57° 75° 43° (1951) 90° (1964) 0.18" NA
Sep 9 57° 74° 43° (1979) 94° (1959) 0.18" NA
Sep 10 57° 74° 43° (1956) 92° (2002) 0.18" NA
Sep 11 57° 74° 43° (1995) 85° (1961) 0.18" NA
Sep 12 56° 73° 44° (1985) 87° (1951) 0.18" NA
Sep 13 56° 73° 43° (1963) 89° (1951) 0.18" NA
Sep 14 56° 73° 41° (1963) 88° (1952) 0.18" NA
Sep 15 55° 72° 44° (1975) 88° (1991) 0.18" NA
Sep 16 55° 72° 41° (1966) 89° (1991) 0.18" NA
Sep 17 55° 72° 41° (1959) 86° (1955) 0.18" NA
Sep 18 54° 72° 40° (1990) 87° (1955) 0.18" NA
Sep 19 54° 71° 41° (1959) 86° (1955) 0.18" NA
Sep 20 54° 71° 34° (1956) 89° (2002) 0.18" NA
Sep 21 53° 70° 39° (1973) 87° (1965) 0.18" NA
Sep 22 53° 70° 39° (1991) 88° (1965) 0.18" NA
Sep 23 53° 70° 36° (1974) 87° (1959) 0.18" NA
Sep 24 52° 69° 36° (1974) 87° (1970) 0.18" NA
Sep 25 52° 69° 39° (1976) 82° (1960) 0.18" NA
Sep 26 52° 69° 41° (1966) 87° (1959) 0.18" NA
Sep 27 51° 68° 36° (1965) 85° (1999) 0.17" NA
Sep 28 51° 68° 36° (2000) 89° (1959) 0.17" NA
Sep 29 51° 68° 36° (2000) 88° (1954) 0.17" NA
Sep 30 50° 67° 38° (1991) 84° (1954) 0.17" NA
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