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
May 1 41° 67° 24° (1966) 92° (1959) 0.1" NA
May 2 41° 67° 21° (1961) 93° (1987) 0.1" NA
May 3 42° 67° 21° (2005) 91° (1949) 0.11" NA
May 4 42° 68° 23° (1967) 90° (1952) 0.11" NA
May 5 43° 68° 22° (1968) 89° (1980) 0.11" NA
May 6 43° 68° 27° (1967) 88° (1955) 0.11" NA
May 7 43° 69° 25° (1989) 85° (1965) 0.11" NA
May 8 44° 69° 29° (1954) 88° (1963) 0.11" NA
May 9 44° 70° 27° (1980) 88° (1963) 0.11" NA
May 10 45° 70° 29° (1968) 92° (1987) 0.11" NA
May 11 45° 70° 27° (1981) 90° (1958) 0.11" NA
May 12 45° 71° 28° (1960) 88° (1962) 0.11" NA
May 13 46° 71° 26° (1997) 88° (1988) 0.11" NA
May 14 46° 71° 28° (1973) 92° (1987) 0.11" NA
May 15 46° 72° 27° (1973) 94° (2001) 0.12" NA
May 16 47° 72° 32° (1956) 95° (2001) 0.12" NA
May 17 47° 73° 28° (1973) 90° (1987) 0.12" NA
May 18 48° 73° 31° (2002) 94° (1996) 0.12" NA
May 19 48° 73° 29° (2002) 94° (1970) 0.12" NA
May 20 48° 74° 30° (1958) 93° (1975) 0.12" NA
May 21 49° 74° 33° (1968) 91° (1975) 0.12" NA
May 22 49° 74° 26° (1963) 91° (1973) 0.13" NA
May 23 50° 75° 28° (1963) 91° (1975) 0.13" NA
May 24 50° 75° 31° (1979) 90° (2006) 0.13" NA
May 25 50° 75° 36° (1968) 92° (1967) 0.13" NA
May 26 51° 76° 33° (1971) 102° (1967) 0.13" NA
May 27 51° 76° 33° (1971) 90° (1980) 0.13" NA
May 28 51° 76° 33° (1958) 90° (1969) 0.13" NA
May 29 52° 77° 35° (1952) 92° (2006) 0.14" NA
May 30 52° 77° 38° (1955) 95° (1989) 0.14" NA
May 31 52° 77° 37° (1972) 95° (2002) 0.14" NA
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