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
Jul 1 60° 83° 44° (1988) 103° (1925) 0.14" NA
Jul 2 60° 83° 46° (1967) 104° (1925) 0.14" NA
Jul 3 60° 83° 44° (1917) 106° (1911) 0.14" NA
Jul 4 60° 84° 46° (1967) 105° (1911) 0.14" NA
Jul 5 60° 84° 29° (1920) 106° (1911) 0.14" NA
Jul 6 60° 84° 44° (1972) 103° (1948) 0.14" NA
Jul 7 61° 84° 45° (1967) 100° (1927) 0.13" NA
Jul 8 61° 84° 48° (1908) 97° (1910) 0.13" NA
Jul 9 61° 84° 49° (1953) 100° (1930) 0.13" NA
Jul 10 61° 84° 45° (1996) 103° (1930) 0.13" NA
Jul 11 61° 84° 47° (1996) 100° (1925) 0.13" NA
Jul 12 61° 84° 49° (1999) 100° (1925) 0.13" NA
Jul 13 61° 84° 42° (1975) 98° (1954) 0.13" NA
Jul 14 61° 84° 43° (1967) 100° (1912) 0.13" NA
Jul 15 61° 84° 44° (1967) 103° (1956) 0.13" NA
Jul 16 61° 84° 45° (1906) 102° (1913) 0.13" NA
Jul 17 61° 84° 44° (1976) 98° (1916) 0.13" NA
Jul 18 61° 85° 45° (1979) 103° (1930) 0.13" NA
Jul 19 61° 85° 46° (1979) 103° (1930) 0.13" NA
Jul 20 62° 85° 48° (1979) 102° (1930) 0.13" NA
Jul 21 62° 85° 46° (1970) 97° (1983) 0.13" NA
Jul 22 62° 85° 47° (2000) 99° (1983) 0.13" NA
Jul 23 61° 85° 48° (2000) 98° (1916) 0.13" NA
Jul 24 61° 84° 49° (1905) 100° (1910) 0.13" NA
Jul 25 61° 84° 48° (1911) 101° (1916) 0.13" NA
Jul 26 61° 84° 46° (1991) 102° (1916) 0.13" NA
Jul 27 61° 84° 45° (1971) 105° (1930) 0.13" NA
Jul 28 61° 84° 45° (1981) 102° (1916) 0.13" NA
Jul 29 61° 84° 45° (1965) 105° (1913) 0.13" NA
Jul 30 61° 84° 43° (1971) 104° (1955) 0.13" NA
Jul 31 61° 84° 40° (1971) 103° (1955) 0.13" NA
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