Williamsburg, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 28° -28° (1974) 67° (1989) 1.07" 6.5"
February 15° 35° -31° (1996) 69° (2002) 1.03" 6.5"
March 26° 47° -25° (1962) 88° (1986) 2.12" 3.8"
April 37° 61° 5° (1982) 92° (1980) 3.5" 1.4"
May 49° 72° 23° (2005) 95° (2006) 4.71" 0"
June 59° 81° 37° (1993) 101° (1988) 4.72" 0"
July 62° 85° 45° (1972) 104° (1988) 4.24" 0"
August 60° 83° 40° (1986) 105° (1988) 4.76" 0"
September 50° 76° 27° (1953) 99° (1953) 3.74" 0"
October 39° 64° 10° (1952) 94° (1953) 2.63" 0.3"
November 27° 47° -8° (1977) 80° (1999) 2.6" 1.7"
December 15° 33° -27° (1985) 71° (1998) 1.47" 6.6"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 62° 85° 52° (1977) 99° (1987) 0.14" NA
Aug 2 62° 85° 51° (1965) 99° (1964) 0.15" NA
Aug 3 62° 85° 48° (1976) 100° (1988) 0.15" NA
Aug 4 62° 85° 46° (1978) 98° (1988) 0.15" NA
Aug 5 62° 85° 48° (1957) 95° (1965) 0.15" NA
Aug 6 62° 85° 48° (1957) 97° (1968) 0.15" NA
Aug 7 62° 85° 47° (1989) 97° (1988) 0.15" NA
Aug 8 62° 84° 47° (1989) 99° (1988) 0.15" NA
Aug 9 61° 84° 48° (1953) 94° (1985) 0.15" NA
Aug 10 61° 84° 50° (1966) 100° (2001) 0.15" NA
Aug 11 61° 84° 46° (2004) 97° (1988) 0.16" NA
Aug 12 61° 84° 47° (1967) 98° (1975) 0.16" NA
Aug 13 61° 84° 41° (1964) 95° (1965) 0.16" NA
Aug 14 61° 84° 45° (2004) 101° (1988) 0.16" NA
Aug 15 60° 84° 45° (2004) 105° (1988) 0.16" NA
Aug 16 60° 83° 45° (1992) 103° (1988) 0.16" NA
Aug 17 60° 83° 48° (1992) 103° (1988) 0.16" NA
Aug 18 60° 83° 45° (1953) 102° (1983) 0.16" NA
Aug 19 59° 83° 46° (2004) 101° (1983) 0.16" NA
Aug 20 59° 83° 40° (1950) 100° (1983) 0.16" NA
Aug 21 59° 82° 45° (1950) 96° (1983) 0.16" NA
Aug 22 59° 82° 46° (2004) 97° (1968) 0.16" NA
Aug 23 58° 82° 46° (1952) 99° (1948) 0.15" NA
Aug 24 58° 82° 46° (1966) 96° (1948) 0.15" NA
Aug 25 58° 82° 40° (1958) 95° (1953) 0.15" NA
Aug 26 57° 81° 44° (1964) 96° (1953) 0.15" NA
Aug 27 57° 81° 46° (1958) 97° (1955) 0.15" NA
Aug 28 57° 81° 40° (1986) 97° (1953) 0.15" NA
Aug 29 56° 81° 42° (1986) 97° (1953) 0.15" NA
Aug 30 56° 80° 46° (1988) 98° (1953) 0.15" NA
Aug 31 56° 80° 43° (1967) 99° (1953) 0.15" NA
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