New Castle, Delaware
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° 39° -14° (1985) 75° (1950) 3.43" 7.5"
February 26° 43° -11° (1899) 78° (1985) 2.81" 6.3"
March 33° 52° 2° (1984) 86° (1998) 3.97" 2.2"
April 42° 63° 11° (1923) 97° (1896) 3.39" 0.3"
May 52° 72° 30° (1978) 98° (1914) 4.15" 0"
June 62° 81° 41° (1972) 102° (1894) 3.59" 0"
July 67° 86° 48° (1988) 106° (1901) 4.28" 0"
August 66° 84° 43° (1982) 107° (1918) 3.51" 0"
September 58° 77° 36° (1974) 100° (1983) 4.01" 0"
October 46° 66° 16° (1910) 91° (1951) 3.08" 0.1"
November 37° 55° 11° (1930) 85° (1950) 3.19" 0.6"
December 28° 44° -7° (1983) 75° (1998) 3.4" 1.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 25° 40° 0° (1918) 65° (2005) 0.11" NA
Jan 2 25° 40° 1° (1968) 64° (2000) 0.11" NA
Jan 3 25° 40° 4° (1918) 64° (2000) 0.11" NA
Jan 4 25° 40° -1° (1918) 69° (1950) 0.11" NA
Jan 5 24° 40° 4° (1904) 66° (1950) 0.11" NA
Jan 6 24° 40° 7° (1924) 71° (2007) 0.12" NA
Jan 7 24° 40° 10° (1988) 65° (1950) 0.12" NA
Jan 8 24° 39° 0° (1970) 66° (1998) 0.12" NA
Jan 9 24° 39° -2° (1970) 67° (1930) 0.12" NA
Jan 10 24° 39° 1° (1982) 64° (1930) 0.12" NA
Jan 11 24° 39° -1° (1982) 66° (1975) 0.11" NA
Jan 12 24° 39° -3° (1981) 63° (1913) 0.11" NA
Jan 13 24° 39° -2° (1981) 69° (2005) 0.11" NA
Jan 14 24° 39° 6° (1988) 69° (2005) 0.11" NA
Jan 15 23° 39° -2° (1912) 64° (2007) 0.11" NA
Jan 16 23° 39° 1° (1977) 63° (2007) 0.11" NA
Jan 17 23° 39° -10° (1982) 63° (1913) 0.11" NA
Jan 18 23° 39° -4° (1957) 65° (1990) 0.11" NA
Jan 19 23° 39° -5° (1994) 66° (1951) 0.11" NA
Jan 20 23° 39° -8° (1985) 66° (1951) 0.11" NA
Jan 21 23° 39° -14° (1985) 62° (1959) 0.11" NA
Jan 22 23° 39° -14° (1984) 67° (1906) 0.11" NA
Jan 23 23° 39° -1° (1984) 69° (1906) 0.11" NA
Jan 24 23° 39° 2° (1963) 71° (1967) 0.11" NA
Jan 25 23° 39° 3° (1961) 67° (1967) 0.11" NA
Jan 26 23° 39° 2° (1961) 75° (1950) 0.11" NA
Jan 27 23° 39° 1° (1987) 70° (1916) 0.11" NA
Jan 28 24° 39° -1° (1925) 70° (1916) 0.11" NA
Jan 29 24° 39° 0° (1961) 70° (2002) 0.1" NA
Jan 30 24° 40° 7° (1961) 67° (1914) 0.1" NA
Jan 31 24° 40° 3° (1948) 66° (1916) 0.1" NA
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