Worthington, Iowa
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 26° -35° (1982) 59° (2002) 1.18" 7.6"
February 13° 32° -33° (1996) 65° (2000) 1.2" 7.9"
March 25° 45° -26° (1962) 87° (1986) 2.2" 6.1"
April 36° 58° -3° (1982) 95° (1980) 3.04" 2.1"
May 48° 71° 20° (2005) 93° (1985) 3.6" 0"
June 58° 80° 35° (1972) 101° (1988) 4.61" 0"
July 62° 84° 42° (1972) 101° (1977) 3.24" 0"
August 60° 82° 35° (1950) 103° (1988) 4.73" 0"
September 50° 74° 21° (1949) 98° (1955) 3.4" 0"
October 39° 62° 10° (1952) 92° (1997) 2.35" 0"
November 27° 45° -14° (1977) 77° (2001) 2.43" 2.2"
December 14° 31° -28° (1983) 69° (1998) 1.5" 8.4"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 65° 25° (1961) 91° (1952) 0.1" NA
May 2 43° 65° 27° (1961) 87° (1959) 0.1" NA
May 3 43° 66° 20° (2005) 88° (1949) 0.1" NA
May 4 44° 66° 23° (2005) 89° (1952) 0.1" NA
May 5 44° 67° 30° (1958) 91° (1949) 0.1" NA
May 6 44° 67° 28° (1954) 85° (2000) 0.1" NA
May 7 45° 67° 28° (1958) 85° (1965) 0.1" NA
May 8 45° 68° 29° (1976) 87° (1963) 0.11" NA
May 9 46° 68° 28° (1980) 87° (1979) 0.11" NA
May 10 46° 69° 25° (1966) 87° (1979) 0.11" NA
May 11 47° 69° 32° (1966) 87° (1958) 0.11" NA
May 12 47° 69° 30° (1960) 88° (1987) 0.11" NA
May 13 47° 70° 31° (1971) 86° (1961) 0.11" NA
May 14 48° 70° 29° (1980) 89° (1991) 0.11" NA
May 15 48° 71° 29° (1980) 91° (1998) 0.11" NA
May 16 48° 71° 29° (1997) 90° (1977) 0.11" NA
May 17 49° 71° 31° (1973) 88° (1971) 0.11" NA
May 18 49° 72° 35° (2002) 90° (1975) 0.12" NA
May 19 50° 72° 31° (2002) 91° (1975) 0.12" NA
May 20 50° 72° 30° (1954) 91° (1975) 0.12" NA
May 21 50° 73° 30° (2002) 90° (1972) 0.12" NA
May 22 51° 73° 34° (1963) 91° (1956) 0.12" NA
May 23 51° 73° 30° (1963) 90° (1975) 0.12" NA
May 24 51° 74° 34° (1979) 89° (1994) 0.13" NA
May 25 52° 74° 34° (1979) 90° (1967) 0.13" NA
May 26 52° 75° 30° (1961) 92° (1967) 0.13" NA
May 27 52° 75° 31° (1961) 93° (1985) 0.13" NA
May 28 53° 75° 35° (1971) 90° (1991) 0.14" NA
May 29 53° 76° 30° (1965) 92° (1991) 0.14" NA
May 30 53° 76° 37° (1961) 92° (1953) 0.14" NA
May 31 54° 76° 37° (1966) 89° (1988) 0.14" NA
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