Sioux City, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 29° -35° (1912) 71° (2002) 0.59" 6.3"
February 15° 35° -31° (1899) 75° (1896) 0.62" 5.5"
March 26° 47° -22° (1960) 91° (1968) 2" 5.8"
April 37° 62° -2° (1975) 98° (1910) 2.75" 1.9"
May 49° 73° 23° (1909) 105° (1934) 3.75" 0"
June 59° 83° 38° (1945) 108° (1988) 3.61" 0"
July 63° 86° 41° (1895) 111° (1939) 3.3" 0"
August 61° 84° 37° (1950) 108° (1936) 2.9" 0"
September 50° 76° 24° (1945) 103° (2000) 2.42" 0"
October 38° 64° 5° (1925) 96° (1938) 1.99" 0.8"
November 25° 45° -9° (1991) 82° (2006) 1.4" 4.8"
December 13° 32° -28° (1917) 71° (1939) 0.66" 6.3"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 20° 40° -15° (1962) 77° (1992) 0.04" NA
Mar 2 21° 41° -11° (1913) 76° (1974) 0.04" NA
Mar 3 21° 41° -7° (2002) 74° (1905) 0.04" NA
Mar 4 21° 42° -16° (1960) 74° (2000) 0.05" NA
Mar 5 22° 42° -22° (1960) 74° (2000) 0.05" NA
Mar 6 22° 43° -11° (1962) 78° (1987) 0.05" NA
Mar 7 22° 43° -10° (1996) 77° (2000) 0.05" NA
Mar 8 23° 43° -7° (1995) 70° (1977) 0.05" NA
Mar 9 23° 44° -3° (1996) 70° (1894) 0.06" NA
Mar 10 23° 44° -9° (1948) 74° (1967) 0.06" NA
Mar 11 24° 45° -19° (1948) 69° (1990) 0.06" NA
Mar 12 24° 45° -14° (1998) 72° (1990) 0.06" NA
Mar 13 25° 46° -9° (1960) 74° (1946) 0.06" NA
Mar 14 25° 46° -12° (1960) 74° (1935) 0.06" NA
Mar 15 25° 47° -4° (1897) 85° (1935) 0.07" NA
Mar 16 26° 47° -8° (1900) 80° (1966) 0.07" NA
Mar 17 26° 48° -4° (1923) 82° (1894) 0.07" NA
Mar 18 26° 48° -9° (1923) 82° (1921) 0.07" NA
Mar 19 27° 49° -2° (1923) 80° (1921) 0.07" NA
Mar 20 27° 49° 3° (1951) 74° (1934) 0.07" NA
Mar 21 28° 50° -2° (1974) 85° (1910) 0.07" NA
Mar 22 28° 50° -1° (1955) 85° (1939) 0.07" NA
Mar 23 28° 51° 1° (1899) 88° (1910) 0.07" NA
Mar 24 29° 51° -4° (1952) 82° (1967) 0.08" NA
Mar 25 29° 52° 0° (1894) 80° (1925) 0.08" NA
Mar 26 29° 52° -2° (1965) 84° (2007) 0.08" NA
Mar 27 30° 52° 8° (1955) 82° (1989) 0.08" NA
Mar 28 30° 53° 9° (1969) 83° (1986) 0.08" NA
Mar 29 31° 53° 5° (1969) 89° (1986) 0.08" NA
Mar 30 31° 54° 8° (1969) 91° (1968) 0.08" NA
Mar 31 31° 55° 8° (1924) 89° (1978) 0.08" NA
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