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
Nov 1 35° 55° 16° (1993) 76° (1990) 0.08" NA
Nov 2 35° 55° 13° (1966) 76° (1964) 0.08" NA
Nov 3 34° 54° 6° (1991) 73° (1978) 0.08" NA
Nov 4 34° 54° -2° (1991) 75° (1978) 0.08" NA
Nov 5 33° 53° -2° (1991) 70° (2001) 0.09" NA
Nov 6 33° 52° 15° (1959) 75° (1980) 0.08" NA
Nov 7 32° 52° -12° (1991) 75° (2004) 0.08" NA
Nov 8 32° 51° -13° (1991) 75° (1980) 0.08" NA
Nov 9 31° 50° -11° (1991) 78° (1999) 0.08" NA
Nov 10 31° 50° 12° (1960) 76° (1999) 0.08" NA
Nov 11 30° 49° 1° (1986) 74° (1964) 0.08" NA
Nov 12 30° 49° 8° (1986) 69° (1971) 0.08" NA
Nov 13 30° 48° 0° (1986) 70° (1973) 0.08" NA
Nov 14 29° 48° 2° (1959) 79° (1999) 0.08" NA
Nov 15 29° 47° 5° (1959) 72° (1990) 0.08" NA
Nov 16 28° 47° 0° (1959) 72° (2001) 0.08" NA
Nov 17 28° 46° 0° (1959) 73° (2001) 0.08" NA
Nov 18 27° 46° 6° (1989) 70° (1976) 0.08" NA
Nov 19 27° 45° 8° (1989) 74° (1999) 0.08" NA
Nov 20 27° 44° 4° (2000) 72° (2007) 0.08" NA
Nov 21 26° 44° 2° (1964) 70° (2003) 0.07" NA
Nov 22 26° 43° 10° (1956) 73° (1990) 0.07" NA
Nov 23 25° 43° 6° (1970) 68° (1966) 0.07" NA
Nov 24 25° 42° 6° (1970) 61° (2006) 0.07" NA
Nov 25 24° 42° -5° (1991) 67° (1960) 0.07" NA
Nov 26 24° 42° -4° (1991) 60° (1960) 0.07" NA
Nov 27 23° 41° 4° (1976) 73° (1990) 0.07" NA
Nov 28 23° 41° -6° (1976) 68° (1998) 0.06" NA
Nov 29 23° 40° -6° (1976) 66° (1998) 0.06" NA
Nov 30 22° 40° -15° (1964) 70° (1998) 0.06" NA
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