Swea City, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 22° -32° (1970) 62° (2002) 0.81" NA
February 11° 29° -28° (1996) 66° (1981) 0.66" NA
March 24° 41° -20° (1962) 83° (1986) 1.93" NA
April 36° 57° 0° (1975) 93° (2007) 2.95" NA
May 49° 71° 10° (1967) 95° (2006) 3.86" NA
June 58° 80° 35° (1969) 105° (1985) 4.38" NA
July 61° 83° 37° (1971) 104° (1955) 4.11" NA
August 58° 80° 38° (2004) 101° (1988) 4.06" NA
September 49° 73° 22° (1967) 98° (1984) 2.78" NA
October 37° 61° 12° (1972) 94° (1963) 2.19" NA
November 23° 41° -14° (1977) 81° (2006) 1.79" NA
December 26° -28° (1983) 69° (1998) 0.82" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 54° 77° 40° (1974) 91° (1960) 0.11" NA
Sep 2 54° 77° 40° (1967) 91° (1983) 0.11" NA
Sep 3 54° 77° 32° (1974) 93° (1971) 0.11" NA
Sep 4 53° 76° 32° (1974) 94° (1960) 0.11" NA
Sep 5 53° 76° 36° (1962) 93° (1960) 0.11" NA
Sep 6 53° 76° 37° (1956) 92° (1960) 0.11" NA
Sep 7 52° 76° 36° (1956) 96° (1976) 0.1" NA
Sep 8 52° 75° 35° (1986) 95° (1976) 0.1" NA
Sep 9 51° 75° 42° (1970) 95° (1955) 0.1" NA
Sep 10 51° 75° 34° (1970) 92° (1981) 0.1" NA
Sep 11 51° 75° 33° (1955) 91° (1978) 0.1" NA
Sep 12 50° 74° 33° (1955) 92° (1998) 0.1" NA
Sep 13 50° 74° 33° (1974) 93° (1998) 0.09" NA
Sep 14 50° 74° 34° (1974) 92° (1998) 0.09" NA
Sep 15 49° 73° 29° (2007) 95° (1955) 0.09" NA
Sep 16 49° 73° 29° (2007) 94° (1955) 0.09" NA
Sep 17 49° 73° 34° (1971) 94° (1955) 0.09" NA
Sep 18 48° 73° 32° (1973) 91° (2007) 0.09" NA
Sep 19 48° 72° 31° (1991) 98° (1984) 0.09" NA
Sep 20 47° 72° 31° (1962) 93° (1998) 0.09" NA
Sep 21 47° 72° 31° (1983) 86° (1970) 0.08" NA
Sep 22 47° 71° 26° (1974) 85° (1958) 0.08" NA
Sep 23 46° 71° 26° (1974) 82° (2004) 0.08" NA
Sep 24 46° 71° 31° (1989) 87° (2007) 0.08" NA
Sep 25 45° 70° 28° (2000) 89° (1956) 0.08" NA
Sep 26 45° 70° 25° (1984) 90° (1956) 0.08" NA
Sep 27 45° 69° 34° (1993) 92° (1956) 0.08" NA
Sep 28 44° 69° 22° (1967) 93° (1956) 0.08" NA
Sep 29 44° 69° 27° (1984) 84° (1998) 0.08" NA
Sep 30 43° 68° 27° (1956) 85° (1970) 0.08" NA
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