Riverton, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 32° -22° (1966) 69° (1989) 0.82" 6.5"
February 18° 39° -23° (1996) 82° (1972) 0.95" 6.1"
March 28° 50° -17° (1962) 91° (1986) 2.44" 5.9"
April 40° 63° 8° (1975) 96° (1989) 3.36" 1.7"
May 52° 73° 28° (1976) 100° (1989) 4.51" 0"
June 61° 83° 41° (1998) 105° (1980) 4.22" 0"
July 66° 87° 44° (1971) 109° (1974) 5.08" 0"
August 63° 85° 42° (1950) 103° (2003) 3.85" 0"
September 54° 78° 28° (1995) 102° (2000) 3.61" 0"
October 42° 66° 14° (1997) 94° (1963) 2.63" 0.5"
November 29° 48° -9° (1964) 83° (1999) 2.09" 3.1"
December 18° 35° -25° (1989) 72° (1964) 1.1" 7.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jan 1 13° 32° -12° (1974) 57° (1954) 0.03" NA
Jan 2 13° 31° -10° (1979) 62° (1964) 0.03" NA
Jan 3 13° 31° -12° (1968) 59° (1997) 0.03" NA
Jan 4 13° 31° -15° (1959) 57° (1989) 0.03" NA
Jan 5 13° 31° -11° (1959) 64° (1956) 0.03" NA
Jan 6 12° 31° -13° (1971) 60° (1956) 0.03" NA
Jan 7 12° 31° -18° (1968) 50° (1954) 0.03" NA
Jan 8 12° 31° -13° (1970) 63° (2003) 0.03" NA
Jan 9 12° 31° -15° (1977) 67° (2003) 0.03" NA
Jan 10 12° 31° -21° (1982) 55° (2002) 0.03" NA
Jan 11 12° 31° -11° (1997) 62° (1986) 0.03" NA
Jan 12 12° 31° -21° (1974) 61° (1987) 0.03" NA
Jan 13 12° 31° -12° (1964) 65° (1987) 0.03" NA
Jan 14 12° 31° -13° (1979) 64° (1996) 0.03" NA
Jan 15 12° 31° -14° (1972) 58° (1986) 0.03" NA
Jan 16 12° 31° -21° (1977) 62° (2006) 0.03" NA
Jan 17 12° 31° -13° (1977) 64° (1990) 0.03" NA
Jan 18 12° 31° -13° (1984) 63° (1951) 0.03" NA
Jan 19 12° 31° -12° (1970) 58° (1951) 0.03" NA
Jan 20 12° 31° -16° (1985) 63° (1986) 0.03" NA
Jan 21 12° 32° -14° (1970) 61° (1964) 0.02" NA
Jan 22 12° 32° -7° (1960) 61° (1967) 0.02" NA
Jan 23 12° 32° -17° (1963) 66° (1981) 0.02" NA
Jan 24 12° 32° -13° (2003) 69° (1981) 0.02" NA
Jan 25 12° 32° -8° (1961) 62° (1981) 0.02" NA
Jan 26 13° 33° -12° (1950) 60° (2002) 0.02" NA
Jan 27 13° 33° -17° (1963) 67° (2002) 0.02" NA
Jan 28 13° 33° -15° (1972) 64° (2006) 0.02" NA
Jan 29 13° 33° -22° (1966) 60° (1954) 0.02" NA
Jan 30 13° 33° -14° (1965) 62° (1974) 0.02" NA
Jan 31 14° 34° -16° (1996) 69° (1989) 0.02" NA
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