Sully, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 27° -34° (1974) 64° (2003) 1.2" 6.3"
February 13° 33° -35° (1996) 74° (1930) 1.28" 7.9"
March 24° 46° -17° (1962) 90° (1910) 2.4" 4.8"
April 34° 59° 1° (1982) 92° (1980) 3.58" 1.8"
May 45° 70° 19° (2005) 98° (1925) 4.31" 0"
June 56° 80° 35° (1993) 102° (1911) 4.64" 0"
July 61° 84° 29° (1920) 106° (1911) 4.09" 0"
August 58° 82° 36° (1950) 107° (1930) 4.41" 0"
September 49° 75° 21° (1984) 101° (1925) 3.55" 0"
October 37° 63° 2° (1925) 95° (1963) 2.73" 0.3"
November 25° 46° -15° (1976) 82° (1968) 2.41" 1.8"
December 14° 32° -32° (1985) 69° (1998) 1.47" 6.7"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 18° 39° -17° (1962) 70° (1923) 0.06" NA
Mar 2 18° 39° -14° (1913) 74° (1923) 0.06" NA
Mar 3 19° 40° -3° (1996) 72° (1983) 0.06" NA
Mar 4 19° 40° -10° (1978) 76° (1983) 0.06" NA
Mar 5 20° 41° -16° (1960) 69° (1910) 0.06" NA
Mar 6 20° 41° -9° (1982) 68° (2000) 0.06" NA
Mar 7 21° 42° -8° (1982) 73° (2000) 0.06" NA
Mar 8 21° 42° -7° (1996) 76° (2000) 0.07" NA
Mar 9 21° 42° -5° (1932) 75° (1977) 0.07" NA
Mar 10 22° 43° -3° (1978) 71° (1917) 0.07" NA
Mar 11 22° 43° -1° (1969) 68° (1911) 0.07" NA
Mar 12 23° 44° -11° (1998) 78° (1972) 0.07" NA
Mar 13 23° 44° -10° (1998) 76° (1990) 0.07" NA
Mar 14 23° 45° -5° (1975) 75° (2007) 0.07" NA
Mar 15 24° 45° 0° (1906) 74° (1914) 0.08" NA
Mar 16 24° 46° -4° (1900) 75° (1930) 0.08" NA
Mar 17 24° 46° -2° (1906) 78° (1894) 0.08" NA
Mar 18 25° 47° -1° (1923) 81° (1918) 0.08" NA
Mar 19 25° 47° -13° (1923) 77° (1910) 0.08" NA
Mar 20 25° 48° 2° (1906) 78° (1918) 0.08" NA
Mar 21 26° 48° -3° (1951) 85° (1907) 0.08" NA
Mar 22 26° 48° -1° (1912) 80° (1910) 0.09" NA
Mar 23 26° 49° 7° (1974) 90° (1910) 0.09" NA
Mar 24 27° 49° -2° (1974) 80° (1910) 0.09" NA
Mar 25 27° 50° -3° (1974) 81° (1967) 0.09" NA
Mar 26 27° 50° 0° (1955) 87° (1907) 0.09" NA
Mar 27 28° 51° 5° (1965) 87° (1907) 0.09" NA
Mar 28 28° 51° 6° (1970) 82° (1910) 0.09" NA
Mar 29 28° 52° 6° (1969) 85° (1895) 0.1" NA
Mar 30 29° 52° 7° (1969) 88° (1986) 0.1" NA
Mar 31 29° 53° 9° (1923) 81° (1967) 0.1" NA
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