West Islip, New York
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 23° 38° -7° (1988) 69° (2002) 3.64" 6.7"
February 25° 40° 1° (1996) 67° (1991) 3.4" 7.1"
March 31° 47° 5° (2009) 82° (1990) 4.44" 4.5"
April 41° 58° 23° (2008) 94° (2002) 4.34" 0.6"
May 50° 68° 32° (2008) 98° (1996) 3.78" 0"
June 60° 77° 42° (2009) 96° (1994) 4.27" 0"
July 66° 82° 50° (1988) 102° (1999) 3.43" 0"
August 65° 80° 45° (1986) 100° (2001) 3.98" 0"
September 58° 74° 38° (1997) 92° (1998) 3.58" 0"
October 46° 63° 28° (1985) 88° (2007) 3.79" 0"
November 37° 53° 11° (1989) 78° (1990) 3.67" 0.6"
December 28° 43° 5° (2004) 77° (1998) 4.06" 5.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 28° 43° 14° (1994) 60° (2004) 0.14" 0.2"
Mar 2 28° 43° 15° (2009) 60° (1997) 0.14" 0.2"
Mar 3 28° 44° 13° (2009) 66° (1991) 0.14" 0.2"
Mar 4 28° 44° 5° (2009) 57° (1991) 0.14" 0.3"
Mar 5 28° 44° 9° (2009) 63° (1985) 0.13" 0.2"
Mar 6 29° 44° 12° (2007) 59° (2004) 0.14" 0.2"
Mar 7 29° 45° 9° (2003) 68° (1987) 0.15" 0.2"
Mar 8 29° 45° 8° (1990) 69° (1987) 0.14" 0.2"
Mar 9 29° 45° 12° (2007) 64° (2000) 0.14" 0.3"
Mar 10 30° 45° 10° (2005) 62° (2006) 0.14" 0.2"
Mar 11 30° 46° 13° (2003) 65° (1986) 0.13" 0.1"
Mar 12 30° 46° 14° (1984) 56° (1990) 0.14" 0.2"
Mar 13 30° 46° 17° (1998) 82° (1990) 0.13" 0.2"
Mar 14 31° 47° 17° (1993) 64° (2002) 0.14" 0.1"
Mar 15 31° 47° 14° (1993) 67° (1990) 0.14" 0.2"
Mar 16 31° 47° 17° (1992) 66° (1990) 0.15" 0.1"
Mar 17 31° 47° 16° (1997) 70° (2003) 0.15" 0.1"
Mar 18 32° 48° 14° (1993) 72° (1999) 0.15" 0.1"
Mar 19 32° 48° 15° (1993) 69° (2010) 0.15" 0.2"
Mar 20 32° 48° 19° (2004) 71° (2010) 0.16" 0.1"
Mar 21 33° 49° 16° (1986) 60° (1995) 0.15" 0.1"
Mar 22 33° 49° 19° (1988) 67° (2003) 0.15" 0.1"
Mar 23 33° 49° 15° (2004) 69° (1994) 0.15" 0"
Mar 24 34° 50° 22° (1997) 67° (2000) 0.15" 0.1"
Mar 25 34° 50° 20° (1992) 66° (1987) 0.14" 0.1"
Mar 26 34° 50° 26° (2001) 64° (2000) 0.15" 0.1"
Mar 27 34° 51° 22° (2001) 78° (1998) 0.15" 0.1"
Mar 28 35° 51° 18° (1990) 79° (1991) 0.14" 0.1"
Mar 29 35° 51° 29° (2008) 81° (1998) 0.14" 0.1"
Mar 30 35° 52° 25° (2008) 72° (1998) 0.14" 0"
Mar 31 36° 52° 28° (1996) 73° (1999) 0.14" 0.1"
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