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
Apr 1 35° 57° 18° (1969) 81° (1998) 0.15" NA
Apr 2 36° 57° 20° (1964) 79° (1998) 0.16" NA
Apr 3 36° 57° 25° (1954) 77° (1998) 0.16" NA
Apr 4 36° 58° 21° (1954) 74° (1998) 0.17" NA
Apr 5 37° 58° 22° (1995) 71° (1928) 0.16" NA
Apr 6 37° 59° 21° (1982) 80° (1947) 0.16" NA
Apr 7 37° 59° 17° (1982) 85° (1929) 0.16" NA
Apr 8 37° 59° 24° (1982) 87° (1929) 0.16" NA
Apr 9 38° 60° 25° (1977) 82° (1991) 0.17" NA
Apr 10 38° 60° 25° (1977) 78° (1955) 0.17" NA
Apr 11 38° 61° 28° (2003) 78° (1955) 0.16" NA
Apr 12 39° 61° 24° (1976) 85° (1977) 0.17" NA
Apr 13 39° 61° 27° (1926) 85° (1977) 0.16" NA
Apr 14 39° 62° 27° (1950) 82° (1945) 0.16" NA
Apr 15 40° 62° 25° (1950) 87° (1941) 0.16" NA
Apr 16 40° 63° 27° (1981) 95° (2002) 0.14" NA
Apr 17 40° 63° 30° (1966) 95° (2002) 0.15" NA
Apr 18 40° 63° 30° (1926) 95° (2002) 0.14" NA
Apr 19 41° 64° 30° (1990) 93° (2002) 0.15" NA
Apr 20 41° 64° 26° (1926) 87° (1927) 0.14" NA
Apr 21 41° 64° 30° (1956) 88° (2005) 0.14" NA
Apr 22 42° 65° 29° (1975) 86° (2001) 0.15" NA
Apr 23 42° 65° 27° (1994) 86° (2001) 0.14" NA
Apr 24 42° 65° 31° (1930) 79° (2001) 0.14" NA
Apr 25 42° 66° 31° (1965) 83° (1960) 0.13" NA
Apr 26 43° 66° 30° (1963) 78° (1970) 0.13" NA
Apr 27 43° 66° 33° (1926) 86° (1990) 0.13" NA
Apr 28 43° 67° 29° (1972) 87° (1990) 0.13" NA
Apr 29 43° 67° 32° (1992) 86° (1974) 0.13" NA
Apr 30 44° 67° 31° (1992) 85° (1942) 0.13" NA
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