Lost Island Lake, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 24° -29° (1982) 65° (2002) 0.63" 6.6"
February 11° 30° -29° (1996) 65° (2000) 0.68" 6.1"
March 22° 41° -26° (1962) 85° (1968) 1.75" 5.7"
April 35° 57° 5° (1975) 93° (1980) 3.36" 2.3"
May 47° 70° 22° (1967) 99° (1967) 3.9" 0.2"
June 58° 79° 38° (1969) 102° (1985) 5.09" 0"
July 62° 83° 42° (1972) 105° (1955) 4.51" 0"
August 59° 80° 38° (1950) 102° (1988) 4.26" 0"
September 49° 73° 24° (1995) 98° (1978) 3.11" 0"
October 36° 60° 11° (1972) 94° (1963) 2.48" 0.3"
November 24° 43° -11° (1977) 81° (2006) 1.63" 5.5"
December 10° 27° -24° (1989) 68° (1998) 1.03" 7.2"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 65° 25° (1966) 92° (1959) 0.12" 0"
May 2 42° 65° 25° (1967) 90° (1959) 0.12" 0"
May 3 43° 65° 22° (1967) 91° (1949) 0.12" 0.1"
May 4 43° 66° 26° (1967) 91° (1952) 0.12" 0"
May 5 43° 66° 29° (2005) 87° (1949) 0.11" 0"
May 6 44° 66° 28° (1954) 88° (2000) 0.11" 0"
May 7 44° 67° 29° (1954) 89° (1970) 0.12" 0"
May 8 45° 67° 30° (1954) 89° (1970) 0.11" 0"
May 9 45° 67° 26° (1966) 91° (1987) 0.13" 0.1"
May 10 45° 68° 25° (1966) 91° (1987) 0.12" 0"
May 11 46° 68° 31° (1966) 88° (1987) 0.12" 0"
May 12 46° 68° 32° (1966) 87° (1961) 0.13" 0"
May 13 47° 69° 31° (1953) 91° (1987) 0.13" 0"
May 14 47° 69° 34° (2004) 91° (1988) 0.13" 0"
May 15 47° 69° 30° (1997) 92° (2001) 0.13" 0"
May 16 48° 70° 30° (1997) 94° (2001) 0.13" 0"
May 17 48° 70° 35° (1968) 92° (1996) 0.13" 0"
May 18 48° 70° 36° (1968) 92° (1996) 0.13" 0"
May 19 49° 71° 38° (2002) 92° (1975) 0.13" 0"
May 20 49° 71° 33° (1954) 95° (1948) 0.13" 0"
May 21 49° 71° 36° (1963) 92° (1970) 0.13" 0"
May 22 50° 71° 29° (1963) 90° (1964) 0.13" 0"
May 23 50° 72° 30° (1963) 91° (1964) 0.13" 0"
May 24 50° 72° 36° (1968) 89° (2010) 0.12" 0"
May 25 51° 72° 38° (1992) 99° (1967) 0.13" 0"
May 26 51° 73° 36° (1961) 91° (1978) 0.13" 0"
May 27 51° 73° 38° (1965) 89° (1969) 0.12" 0"
May 28 52° 73° 35° (1965) 91° (1969) 0.13" 0"
May 29 52° 74° 36° (1952) 93° (2006) 0.13" 0"
May 30 52° 74° 42° (1966) 92° (1994) 0.14" 0"
May 31 53° 74° 40° (1964) 94° (2002) 0.14" 0"
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