Diamond Center, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -35° (1970) 67° (1981) 0.6" NA
February 11° 33° -33° (1972) 68° (2000) 0.58" NA
March 23° 45° -23° (1960) 86° (1986) 1.97" NA
April 35° 60° -8° (1975) 94° (1980) 2.82" NA
May 47° 72° 21° (2005) 102° (1967) 3.69" NA
June 57° 81° 34° (1989) 103° (1988) 4.53" NA
July 62° 85° 40° (1972) 104° (1980) 3.8" NA
August 59° 83° 34° (1950) 103° (1955) 3.55" NA
September 48° 75° 24° (1974) 101° (1976) 3.08" NA
October 36° 63° 9° (1993) 94° (1963) 1.95" NA
November 23° 44° -17° (1991) 80° (1999) 1.68" NA
December 10° 30° -26° (1989) 68° (1998) 0.78" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 54° 80° 36° (1949) 93° (1953) 0.11" NA
Sep 2 54° 79° 40° (1967) 95° (1956) 0.11" NA
Sep 3 54° 79° 31° (1974) 100° (2000) 0.11" NA
Sep 4 53° 79° 34° (1974) 93° (1983) 0.11" NA
Sep 5 53° 79° 32° (1962) 91° (1960) 0.11" NA
Sep 6 52° 78° 33° (1956) 95° (1990) 0.11" NA
Sep 7 52° 78° 33° (1986) 101° (1976) 0.11" NA
Sep 8 51° 78° 33° (1986) 97° (1978) 0.11" NA
Sep 9 51° 77° 35° (1986) 98° (1955) 0.11" NA
Sep 10 51° 77° 35° (1959) 93° (1983) 0.11" NA
Sep 11 50° 77° 27° (1955) 93° (1981) 0.11" NA
Sep 12 50° 76° 28° (1955) 92° (1948) 0.11" NA
Sep 13 49° 76° 33° (1974) 92° (1984) 0.11" NA
Sep 14 49° 76° 34° (1989) 93° (1981) 0.11" NA
Sep 15 49° 76° 30° (1993) 99° (1955) 0.11" NA
Sep 16 48° 75° 32° (1993) 94° (1955) 0.11" NA
Sep 17 48° 75° 31° (1971) 96° (1955) 0.1" NA
Sep 18 47° 75° 31° (1971) 94° (2000) 0.1" NA
Sep 19 47° 74° 27° (1991) 96° (1948) 0.1" NA
Sep 20 46° 74° 29° (1991) 97° (1984) 0.1" NA
Sep 21 46° 74° 28° (1999) 91° (1970) 0.1" NA
Sep 22 46° 73° 24° (1974) 86° (1984) 0.1" NA
Sep 23 45° 73° 26° (1974) 84° (1976) 0.1" NA
Sep 24 45° 73° 28° (1983) 88° (1956) 0.09" NA
Sep 25 44° 72° 29° (2000) 92° (1956) 0.09" NA
Sep 26 44° 72° 26° (1984) 93° (1956) 0.09" NA
Sep 27 43° 72° 26° (1984) 95° (1956) 0.09" NA
Sep 28 43° 71° 25° (1961) 88° (1952) 0.09" NA
Sep 29 43° 71° 25° (1967) 84° (1983) 0.09" NA
Sep 30 42° 70° 24° (1956) 89° (1952) 0.08" NA
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