Port Jefferson Station, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 41° -4° (1984) 69° (2002) 3.41" NA
February 25° 44° -11° (1934) 69° (1976) 3.05" NA
March 31° 51° 7° (1980) 83° (1945) 4.09" NA
April 40° 62° 17° (1982) 95° (2002) 4.5" NA
May 48° 72° 30° (1970) 95° (1996) 3.81" NA
June 59° 80° 38° (1967) 96° (2002) 4.28" NA
July 64° 85° 48° (1990) 99° (1999) 3.65" NA
August 64° 83° 44° (1965) 100° (2001) 3.62" NA
September 58° 76° 36° (1963) 96° (1983) 3.5" NA
October 47° 66° 26° (1966) 91° (1941) 4.1" NA
November 38° 56° 14° (1932) 81° (1950) 3.83" NA
December 29° 46° -3° (1942) 75° (1998) 4.02" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 44° 68° 32° (1961) 88° (2001) 0.1" NA
May 2 44° 68° 31° (1943) 91° (2001) 0.11" NA
May 3 45° 68° 32° (1966) 90° (2001) 0.11" NA
May 4 45° 69° 33° (1985) 92° (2001) 0.11" NA
May 5 45° 69° 30° (1966) 90° (1949) 0.12" NA
May 6 45° 69° 34° (1969) 91° (1949) 0.1" NA
May 7 46° 69° 30° (1970) 90° (1943) 0.12" NA
May 8 46° 70° 32° (1974) 92° (2000) 0.11" NA
May 9 46° 70° 35° (1976) 88° (1979) 0.11" NA
May 10 46° 70° 34° (1966) 91° (1979) 0.1" NA
May 11 47° 71° 36° (1995) 87° (2001) 0.11" NA
May 12 47° 71° 35° (2003) 87° (2001) 0.11" NA
May 13 47° 71° 34° (1967) 92° (1942) 0.11" NA
May 14 48° 71° 32° (1996) 81° (1985) 0.11" NA
May 15 48° 72° 32° (1971) 84° (1951) 0.11" NA
May 16 48° 72° 37° (1966) 86° (1951) 0.11" NA
May 17 49° 72° 34° (1967) 90° (1974) 0.12" NA
May 18 49° 72° 35° (1983) 89° (1936) 0.11" NA
May 19 49° 73° 36° (2003) 92° (1962) 0.13" NA
May 20 50° 73° 35° (1992) 95° (1996) 0.12" NA
May 21 50° 73° 33° (2002) 93° (1996) 0.12" NA
May 22 50° 73° 37° (2002) 92° (1941) 0.14" NA
May 23 51° 74° 34° (2003) 92° (1964) 0.14" NA
May 24 51° 74° 40° (1963) 92° (1975) 0.15" NA
May 25 51° 74° 38° (1963) 88° (1975) 0.14" NA
May 26 52° 75° 37° (2002) 91° (1965) 0.15" NA
May 27 52° 75° 37° (1968) 87° (1933) 0.15" NA
May 28 52° 75° 35° (1994) 88° (1977) 0.14" NA
May 29 53° 75° 41° (1992) 92° (1969) 0.15" NA
May 30 53° 76° 40° (1970) 92° (1969) 0.15" NA
May 31 53° 76° 38° (1961) 90° (1987) 0.15" NA
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