Watertown, Wisconsin
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 26° -31° (1994) 60° (1944) 1.19" 10.7"
February 14° 31° -33° (1929) 64° (2000) 1.4" 8"
March 24° 42° -23° (1962) 81° (1986) 1.86" 4.3"
April 36° 57° 4° (1948) 91° (1980) 3.2" 1"
May 46° 68° 23° (1966) 97° (1934) 3.61" 0.2"
June 56° 78° 31° (1945) 101° (1988) 5.2" 0"
July 61° 82° 41° (1965) 103° (1934) 4.72" 0"
August 59° 80° 37° (1958) 103° (1937) 4.06" 0"
September 50° 72° 26° (1983) 100° (1939) 3.73" 0"
October 39° 60° 7° (1925) 92° (1943) 2.9" 0.1"
November 28° 45° -7° (1947) 76° (1944) 2.4" 1.3"
December 15° 31° -27° (1983) 66° (2001) 1.8" 8.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 63° 25° (1978) 92° (1952) 0.11" 0"
May 2 42° 63° 25° (1981) 88° (1959) 0.1" 0"
May 3 42° 64° 27° (1971) 88° (1949) 0.11" 0"
May 4 43° 64° 26° (1935) 90° (1952) 0.12" 0"
May 5 43° 65° 27° (1957) 91° (1949) 0.11" 0.1"
May 6 43° 65° 27° (1970) 90° (1934) 0.11" 0"
May 7 44° 65° 26° (1989) 85° (1926) 0.11" 0"
May 8 44° 66° 28° (1989) 86° (1979) 0.11" 0"
May 9 44° 66° 23° (1966) 90° (1934) 0.11" 0"
May 10 45° 66° 24° (1966) 87° (1979) 0.11" 0"
May 11 45° 67° 31° (1938) 85° (1944) 0.11" 0"
May 12 45° 67° 28° (1938) 86° (1991) 0.11" 0"
May 13 45° 67° 30° (1938) 88° (1940) 0.11" 0"
May 14 46° 67° 33° (1943) 87° (1991) 0.1" 0.1"
May 15 46° 68° 33° (1937) 88° (1991) 0.11" 0"
May 16 46° 68° 31° (1957) 90° (1977) 0.11" 0"
May 17 47° 68° 33° (1925) 87° (1962) 0.11" 0"
May 18 47° 69° 29° (2002) 91° (1977) 0.11" 0"
May 19 47° 69° 32° (1929) 92° (1975) 0.11" 0"
May 20 48° 69° 31° (1924) 90° (1977) 0.12" 0"
May 21 48° 70° 31° (2002) 89° (1972) 0.12" 0"
May 22 48° 70° 32° (1967) 91° (1925) 0.12" 0"
May 23 49° 70° 29° (1958) 89° (1975) 0.12" 0"
May 24 49° 71° 34° (1925) 91° (1950) 0.13" 0"
May 25 49° 71° 33° (1925) 90° (2010) 0.13" 0"
May 26 50° 71° 33° (1946) 91° (1978) 0.13" 0"
May 27 50° 72° 32° (1971) 92° (1978) 0.13" 0"
May 28 50° 72° 33° (1949) 90° (1977) 0.13" 0"
May 29 51° 72° 31° (1965) 94° (1991) 0.13" 0"
May 30 51° 73° 34° (1965) 93° (1939) 0.13" 0"
May 31 51° 73° 35° (1966) 97° (1934) 0.14" 0"
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