Marble Rock, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 25° -31° (1967) 63° (2002) 0.93" 8.1"
February 13° 32° -32° (1996) 65° (1981) 0.87" 7"
March 25° 44° -32° (1962) 85° (1986) 2.01" 7.7"
April 36° 60° 3° (1982) 94° (1980) 3.41" 2.4"
May 48° 72° 21° (2005) 94° (1967) 4.08" 0"
June 57° 81° 36° (1993) 102° (1988) 5.19" 0"
July 61° 84° 44° (2000) 102° (1988) 4.61" 0"
August 59° 82° 38° (2004) 104° (1988) 4.57" 0"
September 50° 75° 25° (1974) 99° (1955) 3.36" 0"
October 39° 62° 10° (1988) 95° (1963) 2.45" 0.1"
November 26° 43° -14° (1977) 78° (1999) 2.13" 3.4"
December 12° 29° -29° (2000) 63° (2001) 1.08" 8.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 55° 79° 38° (1949) 97° (1953) 0.13" NA
Sep 2 55° 79° 42° (1967) 95° (1953) 0.13" NA
Sep 3 54° 78° 35° (1974) 91° (1960) 0.13" NA
Sep 4 54° 78° 36° (1974) 92° (1955) 0.13" NA
Sep 5 54° 78° 39° (1962) 92° (1960) 0.13" NA
Sep 6 53° 77° 37° (1988) 92° (1978) 0.13" NA
Sep 7 53° 77° 37° (1956) 97° (1978) 0.12" NA
Sep 8 53° 77° 38° (1986) 96° (1978) 0.12" NA
Sep 9 52° 77° 36° (1988) 99° (1955) 0.12" NA
Sep 10 52° 76° 39° (1976) 93° (1955) 0.12" NA
Sep 11 52° 76° 33° (1955) 96° (2000) 0.12" NA
Sep 12 51° 76° 32° (1955) 93° (1998) 0.12" NA
Sep 13 51° 75° 34° (1953) 90° (1998) 0.12" NA
Sep 14 51° 75° 36° (1949) 91° (1994) 0.11" NA
Sep 15 50° 75° 29° (2007) 94° (1955) 0.11" NA
Sep 16 50° 75° 35° (1984) 93° (1955) 0.11" NA
Sep 17 50° 74° 35° (1980) 95° (1988) 0.11" NA
Sep 18 49° 74° 35° (1973) 94° (1955) 0.11" NA
Sep 19 49° 74° 32° (1991) 93° (1948) 0.11" NA
Sep 20 49° 73° 28° (1991) 89° (1984) 0.11" NA
Sep 21 48° 73° 29° (1999) 87° (2007) 0.1" NA
Sep 22 48° 73° 25° (1974) 82° (1968) 0.1" NA
Sep 23 48° 72° 28° (1983) 85° (2007) 0.1" NA
Sep 24 47° 72° 28° (1989) 85° (1958) 0.1" NA
Sep 25 47° 72° 28° (2000) 87° (1956) 0.1" NA
Sep 26 46° 71° 26° (1984) 87° (1986) 0.1" NA
Sep 27 46° 71° 32° (1989) 85° (1963) 0.1" NA
Sep 28 46° 71° 27° (1961) 85° (1952) 0.09" NA
Sep 29 45° 70° 26° (1967) 87° (1953) 0.09" NA
Sep 30 45° 70° 27° (1984) 90° (1952) 0.09" NA
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