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
Sep 1 62° 81° 50° (1971) 94° (2010) 0.11" NA
Sep 2 62° 80° 48° (1963) 96° (1953) 0.11" NA
Sep 3 61° 80° 51° (2001) 94° (1929) 0.11" NA
Sep 4 61° 80° 49° (1995) 93° (1929) 0.11" NA
Sep 5 61° 80° 50° (1930) 91° (1961) 0.11" NA
Sep 6 61° 79° 46° (1965) 91° (1983) 0.11" NA
Sep 7 60° 79° 47° (1976) 88° (1983) 0.11" NA
Sep 8 60° 79° 47° (1984) 90° (1945) 0.1" NA
Sep 9 60° 78° 47° (1986) 89° (1964) 0.1" NA
Sep 10 60° 78° 45° (1975) 90° (1961) 0.11" NA
Sep 11 59° 78° 47° (1932) 96° (1983) 0.11" NA
Sep 12 59° 78° 42° (1995) 92° (1961) 0.12" NA
Sep 13 59° 77° 45° (1967) 89° (1947) 0.12" NA
Sep 14 58° 77° 43° (1975) 90° (1995) 0.13" NA
Sep 15 58° 77° 39° (2001) 90° (1947) 0.12" NA
Sep 16 58° 76° 43° (2001) 90° (1941) 0.13" NA
Sep 17 57° 76° 42° (1966) 89° (1941) 0.12" NA
Sep 18 57° 76° 38° (1959) 88° (2002) 0.12" NA
Sep 19 57° 75° 46° (1929) 88° (1983) 0.12" NA
Sep 20 56° 75° 44° (1979) 91° (1983) 0.12" NA
Sep 21 56° 75° 42° (1956) 89° (2000) 0.12" NA
Sep 22 56° 74° 39° (1962) 90° (1970) 0.12" NA
Sep 23 55° 74° 42° (1947) 91° (1970) 0.12" NA
Sep 24 55° 73° 42° (1969) 89° (1970) 0.11" NA
Sep 25 55° 73° 36° (1963) 86° (1926) 0.13" NA
Sep 26 54° 73° 43° (1932) 86° (1958) 0.12" NA
Sep 27 54° 72° 42° (1940) 90° (1998) 0.12" NA
Sep 28 54° 72° 40° (1989) 85° (1945) 0.12" NA
Sep 29 53° 72° 39° (1976) 87° (1945) 0.13" NA
Sep 30 53° 71° 38° (1942) 83° (1986) 0.12" NA
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