Dover, Delaware
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° -20.6° (1985) 24.4° (1950) 3.94" 5.5"
February -2° -18.3° (1979) 25° (1985) 3.04" 8"
March 13° -13.3° (1960) 30° (1990) 4.4" 1.9"
April 18° -8.3° (1982) 36.1° (1990) 3.47" 0"
May 12° 24° 1.1° (1978) 36.1° (1991) 4.29" 0"
June 17° 28° 6.1° (1972) 37.8° (1988) 3.77" 0"
July 20° 31° 7.2° (1963) 38.9° (1966) 4.16" 0"
August 19° 29° 7.2° (1986) 38.9° (1977) 4.73" 0"
September 16° 27° 3.3° (1970) 37.2° (1953) 4.56" 0"
October 21° -3.9° (1969) 33.3° (1959) 3.26" 0"
November 15° -8.9° (1976) 29.4° (1950) 3.16" 0.4"
December -1° -17.2° (1983) 23.9° (1998) 3.5" 2.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 17.8° 28.3° 12° (1963) 37° (1953) 0.16" NA
Sep 2 17.8° 28.3° 9° (1970) 36° (1953) 0.16" NA
Sep 3 17.8° 28.3° 9° (1967) 36° (1953) 0.16" NA
Sep 4 17.8° 28.3° 11° (1982) 35° (1957) 0.16" NA
Sep 5 17.8° 27.8° 9° (1997) 34° (1985) 0.16" NA
Sep 6 17.2° 27.8° 8° (1994) 36° (1983) 0.16" NA
Sep 7 17.2° 27.8° 8° (1962) 35° (1983) 0.16" NA
Sep 8 17.2° 27.8° 8° (1984) 33° (1954) 0.16" NA
Sep 9 17.2° 27.2° 7° (1986) 33° (1959) 0.16" NA
Sep 10 16.7° 27.2° 7° (1949) 34° (1983) 0.16" NA
Sep 11 16.7° 27.2° 9° (1976) 37° (1983) 0.16" NA
Sep 12 16.7° 27.2° 7° (1967) 35° (1983) 0.16" NA
Sep 13 16.1° 26.7° 7° (1958) 33° (1952) 0.16" NA
Sep 14 16.1° 26.7° 6° (1953) 34° (1962) 0.16" NA
Sep 15 16.1° 26.7° 6° (1975) 33° (1970) 0.16" NA
Sep 16 16.1° 26.7° 7° (1984) 34° (1970) 0.16" NA
Sep 17 15.6° 26.1° 7° (1986) 35° (1991) 0.15" NA
Sep 18 15.6° 26.1° 4° (1959) 33° (1991) 0.15" NA
Sep 19 15° 26.1° 6° (1959) 34° (1977) 0.15" NA
Sep 20 15° 25.6° 8° (1979) 33° (1977) 0.15" NA
Sep 21 15° 25.6° 4° (1956) 33° (1965) 0.15" NA
Sep 22 14.4° 25.6° 4° (1962) 36° (1970) 0.15" NA
Sep 23 14.4° 25.6° 5° (1948) 36° (1970) 0.15" NA
Sep 24 14.4° 25° 3° (1963) 34° (1970) 0.14" NA
Sep 25 13.9° 25° 3° (1963) 35° (1970) 0.14" NA
Sep 26 13.9° 24.4° 4° (1950) 34° (1970) 0.14" NA
Sep 27 13.3° 24.4° 5° (1950) 33° (1970) 0.14" NA
Sep 28 13.3° 24.4° 4° (1957) 32° (1998) 0.13" NA
Sep 29 12.8° 23.9° 4° (1957) 32° (1954) 0.13" NA
Sep 30 12.8° 23.9° 3° (1970) 33° (1986) 0.13" NA
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