Grand River, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 11° 30° -24° (1982) 65° (2003) 0.8" 5.3"
February 16° 36° -25° (1996) 74° (1972) 1.02" 4.6"
March 26° 48° -18° (1962) 87° (1986) 2.33" 3.3"
April 37° 61° 8° (1982) 89° (1987) 3.34" 0.9"
May 50° 71° 25° (1992) 93° (1967) 4.47" 0"
June 59° 81° 36° (1989) 105° (1988) 4.33" 0"
July 65° 85° 43° (1971) 105° (1980) 4.61" 0"
August 63° 83° 41° (1992) 104° (1988) 3.75" 0"
September 53° 76° 25° (1989) 97° (2000) 4.28" 0"
October 42° 64° 14° (1972) 91° (1963) 2.93" 0.3"
November 29° 47° -15° (1964) 79° (1999) 2.28" 2"
December 17° 34° -30° (1989) 67° (1984) 1.13" 5.1"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Feb 1 12° 32° -20° (1996) 58° (1987) 0.03" NA
Feb 2 12° 32° -23° (1996) 63° (1987) 0.03" NA
Feb 3 13° 32° -25° (1996) 65° (1992) 0.03" NA
Feb 4 13° 33° -24° (1996) 62° (1992) 0.03" NA
Feb 5 13° 33° -18° (1996) 59° (2005) 0.03" NA
Feb 6 13° 33° -14° (1982) 60° (1999) 0.03" NA
Feb 7 14° 33° -11° (1979) 60° (1987) 0.03" NA
Feb 8 14° 34° -16° (1971) 57° (1966) 0.03" NA
Feb 9 14° 34° -17° (1979) 57° (1999) 0.03" NA
Feb 10 14° 34° -9° (1994) 59° (2000) 0.03" NA
Feb 11 15° 35° -18° (1981) 67° (1999) 0.03" NA
Feb 12 15° 35° -15° (1988) 62° (1974) 0.03" NA
Feb 13 15° 35° -4° (1986) 71° (1990) 0.03" NA
Feb 14 16° 36° -3° (2007) 68° (1967) 0.03" NA
Feb 15 16° 36° -7° (1958) 62° (1984) 0.03" NA
Feb 16 16° 36° -18° (1958) 61° (1981) 0.04" NA
Feb 17 16° 37° -18° (1958) 64° (1981) 0.04" NA
Feb 18 17° 37° -10° (1990) 66° (1981) 0.04" NA
Feb 19 17° 38° -8° (2006) 63° (1995) 0.04" NA
Feb 20 17° 38° -1° (1959) 63° (1981) 0.04" NA
Feb 21 18° 38° -5° (1963) 60° (1970) 0.04" NA
Feb 22 18° 39° -8° (1960) 68° (1991) 0.04" NA
Feb 23 19° 39° -5° (1993) 65° (1995) 0.04" NA
Feb 24 19° 40° -8° (1993) 62° (1981) 0.05" NA
Feb 25 19° 40° -8° (1994) 67° (2002) 0.05" NA
Feb 26 20° 40° -11° (1963) 72° (1995) 0.05" NA
Feb 27 20° 41° -8° (1993) 69° (1976) 0.05" NA
Feb 28 20° 41° -13° (1962) 73° (1972) 0.05" NA
Feb 29 20° 41° -6° (1960) 74° (1972) 0.05" NA
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