Atlantic, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -12° -38.3° (1974) 19.4° (2002) 0.83" 4.7"
February -10° -37.8° (1975) 24.4° (1930) 1.14" 6.8"
March -4° 10° -35.6° (1962) 32.8° (1907) 2.19" 4.6"
April 17° -15.6° (1975) 34.4° (1930) 3.78" 0.4"
May 23° -8.3° (1908) 40.6° (1934) 4.89" 0"
June 14° 28° 0° (1969) 41.1° (1937) 5.85" 0"
July 17° 30° 2.8° (1895) 47.2° (1936) 4.87" 0"
August 15° 29° 0.6° (1893) 43.9° (1936) 3.81" 0"
September 10° 25° -8.3° (1899) 40° (1913) 3.45" 0"
October 18° -17.2° (1925) 35.6° (1893) 2.95" 0.5"
November -4° -26.7° (1952) 28.3° (1999) 1.72" 2.4"
December -10° -36.1° (1983) 20.6° (1939) 1.46" 7.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 13° 28° 1° (1967) 37° (1913) 0.12" 0"
Sep 2 13° 28° -1° (1893) 38° (2000) 0.11" 0"
Sep 3 13° 28° 0° (1974) 39° (1937) 0.12" 0"
Sep 4 13° 27° 2° (1902) 38° (1913) 0.12" 0"
Sep 5 12° 27° 1° (1962) 40° (1913) 0.12" 0"
Sep 6 12° 27° 1° (1988) 39° (1939) 0.12" 0"
Sep 7 12° 27° 1° (1956) 39° (1939) 0.12" 0"
Sep 8 12° 27° 2° (1986) 38° (1947) 0.13" 0"
Sep 9 11° 27° 2° (1902) 38° (1893) 0.12" 0"
Sep 10 11° 26° 1° (1976) 37° (1938) 0.12" 0"
Sep 11 11° 26° -1° (1955) 36° (2000) 0.12" 0"
Sep 12 11° 26° -2° (1902) 36° (1939) 0.13" 0"
Sep 13 10° 26° -4° (1902) 37° (1893) 0.11" 0"
Sep 14 10° 26° -1° (1904) 37° (1939) 0.12" 0"
Sep 15 10° 25° -1° (1961) 37° (1939) 0.12" 0"
Sep 16 10° 25° -2° (1893) 35° (1931) 0.11" 0"
Sep 17 25° -2° (1900) 36° (1925) 0.12" 0"
Sep 18 25° -3° (1901) 37° (1893) 0.11" 0"
Sep 19 25° -2° (1991) 35° (1948) 0.12" 0"
Sep 20 24° -2° (1901) 34° (1908) 0.11" 0"
Sep 21 24° -2° (1918) 36° (1937) 0.12" 0"
Sep 22 24° -3° (1953) 37° (1937) 0.11" 0"
Sep 23 24° -5° (1983) 33° (1938) 0.1" 0"
Sep 24 23° -2° (1942) 32° (1935) 0.11" 0"
Sep 25 23° -4° (1893) 33° (1998) 0.1" 0"
Sep 26 23° -4° (1893) 33° (1897) 0.11" 0"
Sep 27 23° -3° (1942) 32° (1894) 0.11" 0"
Sep 28 22° -6° (1908) 38° (1953) 0.1" 0"
Sep 29 22° -8° (1899) 36° (1953) 0.11" 0"
Sep 30 22° -6° (1984) 33° (1994) 0.11" 0"
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