Chelsea, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -28° (1996) 65° (1989) 1.05" 6.4"
February 14° 33° -35° (1996) 70° (2000) 1.08" 7.5"
March 26° 46° -23° (1962) 88° (1986) 2.28" 5.7"
April 37° 60° 8° (1982) 95° (1986) 3.63" 2.1"
May 49° 71° 22° (2005) 94° (1956) 4.16" 0"
June 59° 81° 38° (1993) 102° (1988) 4.68" 0"
July 63° 84° 43° (1972) 105° (1955) 4.29" 0"
August 61° 82° 36° (1950) 105° (1988) 4.71" 0"
September 51° 75° 26° (1984) 100° (1955) 3.49" 0"
October 39° 63° 11° (1997) 93° (1963) 2.7" 0.2"
November 26° 45° -10° (1977) 80° (1999) 2.35" 2.2"
December 14° 31° -30° (1985) 69° (1998) 1.39" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Aug 1 63° 84° 51° (1977) 101° (1988) 0.15" NA
Aug 2 63° 84° 51° (1986) 100° (1988) 0.15" NA
Aug 3 63° 84° 48° (1976) 101° (1988) 0.15" NA
Aug 4 63° 84° 45° (1978) 96° (1956) 0.15" NA
Aug 5 63° 84° 48° (1948) 95° (1979) 0.15" NA
Aug 6 63° 84° 48° (2004) 95° (1968) 0.15" NA
Aug 7 63° 84° 45° (1989) 99° (1988) 0.15" NA
Aug 8 63° 84° 46° (1976) 99° (1988) 0.15" NA
Aug 9 62° 84° 47° (1972) 94° (1985) 0.15" NA
Aug 10 62° 84° 50° (1967) 98° (1983) 0.16" NA
Aug 11 62° 83° 46° (1982) 98° (1988) 0.16" NA
Aug 12 62° 83° 47° (1952) 96° (1988) 0.16" NA
Aug 13 62° 83° 43° (1964) 96° (1965) 0.16" NA
Aug 14 62° 83° 44° (2004) 101° (1988) 0.16" NA
Aug 15 61° 83° 44° (2004) 105° (1988) 0.16" NA
Aug 16 61° 83° 46° (1992) 104° (1988) 0.16" NA
Aug 17 61° 83° 48° (1953) 104° (1988) 0.16" NA
Aug 18 61° 82° 45° (2002) 100° (1983) 0.16" NA
Aug 19 61° 82° 47° (2004) 100° (1983) 0.15" NA
Aug 20 60° 82° 36° (1950) 100° (1955) 0.15" NA
Aug 21 60° 82° 42° (1950) 100° (2003) 0.15" NA
Aug 22 60° 82° 47° (2004) 95° (1968) 0.15" NA
Aug 23 59° 81° 46° (1952) 101° (1948) 0.15" NA
Aug 24 59° 81° 46° (1966) 99° (1948) 0.15" NA
Aug 25 59° 81° 41° (1958) 96° (1948) 0.15" NA
Aug 26 59° 81° 44° (1964) 97° (1955) 0.15" NA
Aug 27 58° 80° 45° (1971) 100° (1955) 0.15" NA
Aug 28 58° 80° 41° (1986) 98° (1955) 0.15" NA
Aug 29 58° 80° 41° (1988) 97° (1948) 0.14" NA
Aug 30 57° 80° 48° (1974) 99° (1953) 0.14" NA
Aug 31 57° 79° 42° (1967) 98° (1953) 0.14" NA
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