Neptune, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -37° (1912) 69° (2002) 0.64" 6.8"
February 12° 33° -35° (1905) 70° (1981) 0.54" 4.8"
March 23° 46° -26° (1960) 87° (1968) 1.95" 7.3"
April 35° 61° -2° (1975) 96° (2002) 2.74" 1.5"
May 47° 73° 17° (1907) 108° (1934) 3.44" 0"
June 58° 82° 33° (1969) 106° (1933) 3.97" 0"
July 62° 86° 38° (1972) 111° (1936) 3.31" 0"
August 59° 83° 35° (1935) 108° (1934) 3.4" 0"
September 49° 76° 22° (1967) 103° (1976) 2.52" 0"
October 36° 63° -7° (1925) 95° (1963) 1.92" 0.8"
November 22° 43° -24° (1959) 80° (1999) 1.37" 3.6"
December 11° 30° -33° (1917) 68° (1998) 0.72" 7.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jul 1 61° 86° 44° (1930) 98° (1925) 0.12" NA
Jul 2 61° 86° 45° (1924) 96° (1970) 0.12" NA
Jul 3 61° 86° 41° (1917) 101° (1936) 0.12" NA
Jul 4 61° 86° 41° (1967) 109° (1936) 0.12" NA
Jul 5 61° 86° 38° (1972) 106° (1936) 0.11" NA
Jul 6 61° 86° 46° (1960) 100° (1936) 0.11" NA
Jul 7 61° 86° 44° (1958) 106° (1980) 0.11" NA
Jul 8 61° 86° 48° (1953) 101° (1930) 0.11" NA
Jul 9 61° 86° 47° (1961) 104° (1976) 0.11" NA
Jul 10 62° 86° 46° (1902) 103° (1936) 0.11" NA
Jul 11 62° 86° 46° (1926) 103° (1936) 0.11" NA
Jul 12 62° 86° 48° (2007) 104° (1939) 0.11" NA
Jul 13 62° 86° 43° (1926) 105° (1995) 0.11" NA
Jul 14 62° 86° 43° (1967) 106° (1936) 0.11" NA
Jul 15 62° 86° 47° (1967) 104° (1936) 0.1" NA
Jul 16 62° 86° 45° (1958) 107° (1936) 0.1" NA
Jul 17 62° 86° 44° (1911) 111° (1936) 0.1" NA
Jul 18 62° 86° 48° (1922) 104° (1940) 0.1" NA
Jul 19 62° 86° 49° (1947) 107° (1926) 0.1" NA
Jul 20 62° 86° 48° (1970) 107° (1926) 0.1" NA
Jul 21 62° 86° 45° (1947) 105° (1901) 0.1" NA
Jul 22 62° 86° 46° (2000) 105° (1936) 0.1" NA
Jul 23 62° 86° 45° (1904) 103° (1934) 0.1" NA
Jul 24 62° 86° 45° (1905) 106° (1940) 0.1" NA
Jul 25 62° 86° 48° (1904) 105° (1936) 0.1" NA
Jul 26 62° 86° 41° (1962) 105° (1936) 0.1" NA
Jul 27 62° 86° 51° (1971) 104° (1930) 0.1" NA
Jul 28 62° 86° 44° (1925) 102° (1935) 0.1" NA
Jul 29 62° 86° 43° (1971) 105° (1947) 0.11" NA
Jul 30 62° 86° 46° (1971) 103° (1955) 0.11" NA
Jul 31 62° 86° 45° (1903) 105° (1955) 0.11" NA
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