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
Mar 1 18° 34° -20° (1962) 67° (1992) 0.04" NA
Mar 2 18° 35° -7° (2003) 58° (1992) 0.04" NA
Mar 3 19° 35° -8° (2003) 65° (1983) 0.04" NA
Mar 4 19° 35° -10° (1960) 63° (1983) 0.04" NA
Mar 5 20° 36° -19° (1960) 68° (2000) 0.05" NA
Mar 6 20° 36° -10° (2003) 72° (2000) 0.05" NA
Mar 7 21° 37° -10° (1960) 73° (2000) 0.05" NA
Mar 8 21° 37° -10° (1969) 80° (2000) 0.05" NA
Mar 9 22° 38° -10° (1969) 69° (2000) 0.05" NA
Mar 10 22° 38° -8° (1969) 60° (1955) 0.05" NA
Mar 11 23° 39° -10° (1969) 65° (1990) 0.06" NA
Mar 12 23° 39° -15° (1956) 70° (1990) 0.06" NA
Mar 13 23° 40° -10° (1975) 65° (1996) 0.06" NA
Mar 14 24° 40° -12° (1960) 63° (1981) 0.06" NA
Mar 15 24° 41° -10° (1975) 64° (2003) 0.06" NA
Mar 16 25° 41° 7° (1962) 74° (2003) 0.06" NA
Mar 17 25° 42° -1° (1993) 73° (2003) 0.06" NA
Mar 18 25° 42° -3° (1993) 65° (1968) 0.07" NA
Mar 19 26° 43° 12° (1984) 64° (1968) 0.07" NA
Mar 20 26° 43° 10° (1957) 68° (1976) 0.07" NA
Mar 21 27° 44° 2° (1960) 63° (1972) 0.07" NA
Mar 22 27° 44° 3° (1955) 74° (1988) 0.07" NA
Mar 23 27° 45° -1° (1974) 71° (1963) 0.07" NA
Mar 24 28° 45° -3° (1974) 74° (1963) 0.07" NA
Mar 25 28° 46° 1° (1955) 75° (2004) 0.08" NA
Mar 26 28° 46° 1° (1955) 75° (1991) 0.08" NA
Mar 27 29° 47° 0° (1970) 82° (2007) 0.08" NA
Mar 28 29° 47° 0° (1970) 80° (1986) 0.08" NA
Mar 29 29° 48° -7° (1969) 83° (1986) 0.08" NA
Mar 30 30° 48° -6° (1969) 80° (1978) 0.08" NA
Mar 31 30° 49° 0° (1969) 82° (1968) 0.08" NA
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