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
May 1 42° 65° 27° (1961) 92° (2007) 0.11" NA
May 2 43° 65° 14° (1967) 90° (1959) 0.11" NA
May 3 43° 65° 10° (1967) 86° (1980) 0.11" NA
May 4 44° 66° 21° (1967) 89° (1980) 0.11" NA
May 5 44° 66° 25° (1968) 88° (2000) 0.11" NA
May 6 45° 67° 27° (1967) 90° (1955) 0.12" NA
May 7 45° 67° 30° (1976) 89° (1990) 0.12" NA
May 8 46° 68° 25° (1967) 88° (1970) 0.12" NA
May 9 46° 68° 30° (1976) 92° (1987) 0.12" NA
May 10 46° 69° 20° (1968) 92° (1987) 0.12" NA
May 11 47° 69° 30° (1981) 88° (1987) 0.12" NA
May 12 47° 69° 28° (1968) 86° (1956) 0.12" NA
May 13 48° 70° 29° (1997) 92° (1987) 0.12" NA
May 14 48° 70° 33° (2004) 92° (1988) 0.12" NA
May 15 48° 71° 30° (1997) 94° (2001) 0.12" NA
May 16 49° 71° 31° (1956) 95° (2001) 0.12" NA
May 17 49° 71° 30° (1968) 95° (2001) 0.12" NA
May 18 50° 72° 33° (1968) 91° (1996) 0.13" NA
May 19 50° 72° 35° (1968) 93° (1967) 0.13" NA
May 20 50° 73° 31° (1967) 92° (1975) 0.13" NA
May 21 51° 73° 30° (1979) 93° (1970) 0.13" NA
May 22 51° 73° 30° (1963) 92° (1970) 0.13" NA
May 23 51° 74° 32° (1963) 93° (1964) 0.13" NA
May 24 52° 74° 37° (1968) 88° (2006) 0.13" NA
May 25 52° 74° 38° (1968) 93° (1978) 0.13" NA
May 26 53° 75° 34° (1961) 95° (1967) 0.13" NA
May 27 53° 75° 37° (1971) 90° (1966) 0.14" NA
May 28 53° 75° 34° (1965) 92° (1969) 0.14" NA
May 29 53° 76° 38° (1965) 95° (2006) 0.14" NA
May 30 54° 76° 40° (1966) 94° (1994) 0.14" NA
May 31 54° 76° 40° (1964) 89° (1961) 0.14" NA
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