Deerfield, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 27° -33° (1951) 55° (1989) 1.31" 10.5"
February 14° 32° -31° (1959) 64° (1999) 1.42" 10"
March 24° 43° -18° (1962) 81° (1986) 1.94" 5.4"
April 36° 58° 8° (1982) 89° (1980) 3.27" 1.7"
May 47° 69° 21° (1978) 93° (1978) 3.85" 0.1"
June 57° 80° 34° (1972) 103° (1988) 4.61" 0"
July 62° 84° 43° (1965) 102° (1988) 4.19" 0"
August 60° 81° 41° (1986) 104° (1988) 4.66" 0"
September 50° 73° 26° (1974) 99° (1953) 3.65" 0"
October 39° 60° 15° (1988) 88° (2007) 2.67" 0.1"
November 28° 45° -13° (1976) 75° (1964) 2.37" 2.1"
December 16° 31° -24° (1983) 66° (1998) 2.06" 12.9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 64° 21° (1978) 90° (1952) 0.12" 0"
May 2 42° 64° 27° (1950) 87° (1959) 0.13" 0"
May 3 43° 65° 27° (2004) 85° (1949) 0.12" 0"
May 4 43° 65° 27° (2004) 88° (1959) 0.13" 0"
May 5 43° 65° 29° (2004) 89° (1949) 0.13" 0"
May 6 44° 66° 27° (1970) 85° (2000) 0.13" 0"
May 7 44° 66° 26° (1989) 86° (2000) 0.12" 0.1"
May 8 44° 66° 29° (1950) 85° (1965) 0.12" 0"
May 9 45° 67° 24° (1966) 88° (1979) 0.11" 0"
May 10 45° 67° 30° (1949) 87° (1979) 0.12" 0"
May 11 45° 67° 31° (1949) 86° (1991) 0.11" 0"
May 12 46° 67° 31° (1967) 88° (1991) 0.12" 0"
May 13 46° 68° 33° (1951) 87° (1991) 0.11" 0"
May 14 46° 68° 34° (1964) 89° (1977) 0.11" 0"
May 15 47° 68° 32° (1983) 89° (2007) 0.12" 0"
May 16 47° 69° 31° (1957) 89° (1977) 0.11" 0"
May 17 47° 69° 34° (1973) 88° (1998) 0.11" 0"
May 18 48° 70° 36° (1976) 90° (1977) 0.12" 0"
May 19 48° 70° 37° (1976) 90° (1977) 0.11" 0"
May 20 48° 70° 34° (1954) 90° (1977) 0.12" 0"
May 21 49° 71° 35° (1969) 90° (1972) 0.12" 0"
May 22 49° 71° 35° (1969) 88° (1956) 0.12" 0"
May 23 49° 71° 34° (1958) 87° (2007) 0.13" 0"
May 24 50° 72° 35° (1979) 91° (2010) 0.13" 0"
May 25 50° 72° 32° (1988) 94° (2010) 0.13" 0"
May 26 50° 72° 31° (1969) 91° (1978) 0.14" 0"
May 27 51° 73° 35° (1971) 93° (1978) 0.14" 0"
May 28 51° 73° 32° (1949) 91° (1978) 0.14" 0"
May 29 52° 74° 35° (1984) 92° (2006) 0.14" 0"
May 30 52° 74° 38° (1984) 91° (1988) 0.15" 0"
May 31 52° 74° 41° (1966) 91° (1988) 0.14" 0"
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