Spencer, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -38° (1912) 66° (1981) 0.58" 6.9"
February 13° 31° -36° (1899) 67° (1896) 0.49" 4.9"
March 24° 43° -28° (1948) 87° (1928) 1.87" 4.7"
April 35° 58° 0° (1975) 93° (2007) 3.08" 1.3"
May 47° 71° 20° (1967) 109° (1934) 3.68" 0"
June 58° 80° 30° (1896) 106° (1933) 4.04" 0"
July 62° 84° 40° (1971) 113° (1936) 4.02" 0"
August 59° 81° 34° (1950) 111° (1930) 4.22" 0"
September 49° 74° 21° (1942) 102° (1925) 2.7" 0"
October 37° 61° -8° (1925) 93° (1997) 1.96" 0.3"
November 23° 41° -17° (1959) 80° (2006) 1.42" 4.6"
December 10° 28° -30° (1914) 66° (1998) 0.6" 7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 55° 78° 33° (1949) 99° (1911) 0.12" NA
Sep 2 54° 78° 37° (1946) 102° (1925) 0.11" NA
Sep 3 54° 78° 31° (1974) 102° (1925) 0.11" NA
Sep 4 54° 77° 36° (1974) 101° (1925) 0.11" NA
Sep 5 53° 77° 35° (1962) 98° (1913) 0.11" NA
Sep 6 53° 77° 36° (1956) 99° (1922) 0.1" NA
Sep 7 53° 76° 35° (1956) 98° (1931) 0.1" NA
Sep 8 52° 76° 36° (1986) 99° (1947) 0.1" NA
Sep 9 52° 76° 35° (1924) 97° (1931) 0.1" NA
Sep 10 51° 75° 33° (1948) 99° (1931) 0.1" NA
Sep 11 51° 75° 32° (1955) 94° (1895) 0.1" NA
Sep 12 51° 75° 31° (1940) 98° (1939) 0.09" NA
Sep 13 50° 75° 33° (1974) 100° (1939) 0.09" NA
Sep 14 50° 74° 31° (1949) 99° (1939) 0.09" NA
Sep 15 50° 74° 28° (2007) 99° (1939) 0.09" NA
Sep 16 49° 74° 30° (1934) 94° (1955) 0.09" NA
Sep 17 49° 73° 30° (1897) 99° (1895) 0.09" NA
Sep 18 48° 73° 26° (1929) 94° (1920) 0.08" NA
Sep 19 48° 73° 27° (1991) 96° (1895) 0.08" NA
Sep 20 48° 72° 27° (1897) 93° (1940) 0.08" NA
Sep 21 47° 72° 28° (1999) 97° (1937) 0.08" NA
Sep 22 47° 71° 23° (1913) 95° (1936) 0.08" NA
Sep 23 46° 71° 28° (1928) 92° (1938) 0.08" NA
Sep 24 46° 71° 28° (1942) 90° (1935) 0.08" NA
Sep 25 46° 70° 27° (1926) 91° (1956) 0.08" NA
Sep 26 45° 70° 24° (1984) 91° (1956) 0.08" NA
Sep 27 45° 70° 26° (1942) 91° (1956) 0.07" NA
Sep 28 44° 69° 21° (1942) 91° (1897) 0.07" NA
Sep 29 44° 69° 22° (1945) 89° (1897) 0.07" NA
Sep 30 44° 69° 23° (1939) 90° (1897) 0.07" NA
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