Iselin, New Jersey
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° 40° -10° (1985) 73° (2007) 3.69" 6.2"
February 24° 44° -6° (1979) 75° (1985) 3.32" 8.1"
March 30° 52° 1° (1986) 90° (1998) 4.3" 3.7"
April 39° 63° 12° (1995) 97° (2002) 4.33" 0.5"
May 48° 73° 24° (1986) 96° (1996) 4.36" 0"
June 59° 82° 32° (1979) 98° (1988) 4.39" 0"
July 64° 86° 42° (1979) 102° (1999) 5.17" 0"
August 62° 85° 39° (1986) 103° (2001) 3.79" 0"
September 55° 77° 33° (1974) 99° (1983) 4.45" 0"
October 43° 66° 22° (1982) 88° (2007) 4.36" 0"
November 35° 56° 14° (1989) 81° (2003) 4.08" 0.4"
December 27° 44° -5° (1980) 76° (1998) 4.16" 4.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 63° 85° 46° (1988) 92° (1971) 0.14" 0"
Jul 2 63° 85° 50° (1978) 91° (1974) 0.14" 0"
Jul 3 63° 86° 46° (1982) 96° (2002) 0.14" 0"
Jul 4 63° 86° 44° (1986) 98° (2002) 0.14" 0"
Jul 5 63° 86° 42° (1979) 99° (1999) 0.14" 0"
Jul 6 63° 86° 47° (1979) 102° (1999) 0.14" 0"
Jul 7 63° 86° 45° (1979) 104° (2010) 0.14" 0"
Jul 8 64° 86° 49° (1979) 101° (2010) 0.15" 0"
Jul 9 64° 86° 51° (1983) 99° (1993) 0.15" 0"
Jul 10 64° 86° 52° (1983) 101° (1988) 0.16" 0"
Jul 11 64° 86° 51° (1983) 100° (1988) 0.17" 0"
Jul 12 64° 86° 51° (1978) 100° (1988) 0.18" 0"
Jul 13 64° 86° 52° (1971) 95° (1994) 0.19" 0"
Jul 14 64° 86° 53° (2009) 95° (1988) 0.19" 0"
Jul 15 64° 86° 52° (2009) 100° (1995) 0.18" 0"
Jul 16 64° 86° 55° (1981) 101° (1988) 0.18" 0"
Jul 17 64° 86° 52° (1987) 100° (1988) 0.18" 0"
Jul 18 64° 86° 52° (1978) 101° (1999) 0.18" 0"
Jul 19 64° 86° 56° (1984) 101° (1999) 0.18" 0"
Jul 20 64° 86° 50° (1997) 101° (1980) 0.17" 0"
Jul 21 64° 86° 54° (1974) 102° (1980) 0.17" 0"
Jul 22 64° 86° 50° (1974) 101° (1980) 0.17" 0"
Jul 23 64° 86° 51° (1974) 97° (1991) 0.18" 0"
Jul 24 64° 86° 49° (1985) 96° (1999) 0.17" 0"
Jul 25 64° 86° 57° (1980) 97° (1999) 0.17" 0"
Jul 26 64° 86° 50° (1976) 99° (1999) 0.18" 0"
Jul 27 64° 86° 48° (1977) 97° (2005) 0.18" 0"
Jul 28 64° 86° 49° (1977) 99° (1999) 0.17" 0"
Jul 29 64° 86° 54° (1992) 99° (1999) 0.18" 0"
Jul 30 64° 86° 54° (1981) 97° (1999) 0.18" 0"
Jul 31 64° 86° 54° (2001) 96° (1999) 0.18" 0"
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