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
May 1 9.4° 21.1° 1° (1978) 31° (1985) 0.13" NA
May 2 9.4° 21.7° 3° (1963) 30° (1985) 0.13" NA
May 3 9.4° 21.7° 2° (1963) 31° (2001) 0.13" NA
May 4 10° 21.7° 2° (1961) 32° (1965) 0.13" NA
May 5 10° 22.2° 2° (1966) 32° (1955) 0.13" NA
May 6 10° 22.2° 4° (1954) 33° (1986) 0.14" NA
May 7 10.6° 22.2° 3° (1970) 33° (1986) 0.14" NA
May 8 10.6° 22.2° 2° (1974) 32° (2000) 0.14" NA
May 9 11.1° 22.8° 2° (1956) 33° (1963) 0.14" NA
May 10 11.1° 22.8° 1° (1962) 33° (1965) 0.14" NA
May 11 11.1° 22.8° 1° (1966) 33° (1965) 0.14" NA
May 12 11.7° 23.3° 3° (1963) 32° (1959) 0.14" NA
May 13 11.7° 23.3° 3° (1967) 33° (1991) 0.14" NA
May 14 11.7° 23.3° 3° (1996) 34° (1956) 0.14" NA
May 15 12.2° 23.9° 5° (1977) 33° (1956) 0.14" NA
May 16 12.2° 23.9° 5° (1966) 31° (1998) 0.14" NA
May 17 12.2° 23.9° 3° (1956) 32° (1974) 0.14" NA
May 18 12.8° 23.9° 4° (1955) 34° (1977) 0.14" NA
May 19 12.8° 24.4° 4° (1976) 35° (1962) 0.14" NA
May 20 12.8° 24.4° 3° (1991) 34° (1962) 0.14" NA
May 21 12.8° 24.4° 3° (1992) 33° (1962) 0.14" NA
May 22 13.3° 25° 4° (2002) 32° (1984) 0.14" NA
May 23 13.3° 25° 6° (1961) 33° (1964) 0.14" NA
May 24 13.3° 25° 3° (1963) 33° (1964) 0.14" NA
May 25 13.9° 25° 4° (1956) 34° (1991) 0.14" NA
May 26 13.9° 25.6° 7° (1967) 34° (1991) 0.14" NA
May 27 13.9° 25.6° 6° (1961) 35° (1991) 0.14" NA
May 28 14.4° 25.6° 6° (1970) 33° (1959) 0.14" NA
May 29 14.4° 26.1° 5° (1994) 35° (1987) 0.14" NA
May 30 14.4° 26.1° 7° (1949) 36° (1991) 0.14" NA
May 31 15° 26.1° 6° (1961) 36° (1991) 0.14" NA
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