Iselin, New Jersey
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 20° 39° -10° (1985) 73° (2007) 4.07" 7.9"
February 21° 42° -6° (1979) 75° (1985) 3.09" 7.7"
March 29° 51° 1° (1986) 90° (1998) 4.18" 3"
April 38° 62° 12° (1995) 97° (2002) 4.15" 0.4"
May 48° 72° 24° (1986) 96° (1996) 4.92" 0"
June 58° 81° 32° (1979) 98° (1988) 4.16" 0"
July 63° 86° 42° (1979) 102° (1999) 5.19" 0"
August 62° 84° 39° (1986) 103° (2001) 4.33" 0"
September 54° 76° 33° (1974) 99° (1983) 4.55" 0"
October 42° 65° 22° (1982) 88° (2007) 3.93" 0"
November 33° 54° 14° (1989) 81° (2003) 4.38" 0.6"
December 26° 44° -5° (1980) 76° (1998) 3.99" 2.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 64° 86° 53° (1974) 98° (2002) 0.15" NA
Aug 2 64° 86° 53° (1992) 101° (2002) 0.15" NA
Aug 3 64° 86° 52° (1985) 101° (2002) 0.15" NA
Aug 4 64° 86° 53° (1981) 99° (2006) 0.15" NA
Aug 5 64° 85° 55° (1985) 94° (1995) 0.15" NA
Aug 6 63° 85° 51° (1972) 97° (2001) 0.14" NA
Aug 7 63° 85° 50° (1994) 92° (1983) 0.14" NA
Aug 8 63° 85° 50° (1989) 98° (1983) 0.14" NA
Aug 9 63° 85° 49° (1989) 100° (2001) 0.14" NA
Aug 10 63° 85° 52° (1989) 103° (2001) 0.14" NA
Aug 11 63° 85° 47° (1972) 95° (1988) 0.14" NA
Aug 12 63° 85° 48° (1974) 97° (2002) 0.14" NA
Aug 13 63° 84° 51° (1971) 100° (2002) 0.14" NA
Aug 14 63° 84° 49° (1983) 100° (2002) 0.14" NA
Aug 15 62° 84° 51° (1979) 100° (2002) 0.14" NA
Aug 16 62° 84° 48° (1979) 98° (2002) 0.13" NA
Aug 17 62° 84° 44° (1979) 97° (2002) 0.13" NA
Aug 18 62° 84° 49° (1981) 96° (2002) 0.13" NA
Aug 19 62° 83° 49° (1977) 98° (2002) 0.13" NA
Aug 20 62° 83° 44° (1984) 97° (1983) 0.13" NA
Aug 21 61° 83° 43° (1984) 95° (1995) 0.13" NA
Aug 22 61° 83° 45° (1982) 94° (1995) 0.14" NA
Aug 23 61° 83° 44° (1982) 92° (2003) 0.14" NA
Aug 24 61° 82° 44° (1987) 93° (1972) 0.14" NA
Aug 25 61° 82° 44° (1987) 93° (1972) 0.14" NA
Aug 26 60° 82° 47° (1977) 92° (1992) 0.14" NA
Aug 27 60° 82° 52° (1969) 95° (1983) 0.14" NA
Aug 28 60° 81° 49° (1982) 98° (1973) 0.14" NA
Aug 29 60° 81° 40° (1986) 95° (1973) 0.14" NA
Aug 30 59° 81° 39° (1986) 96° (1973) 0.14" NA
Aug 31 59° 81° 44° (1986) 96° (1973) 0.14" NA
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