Annawan, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 28° -26° (1999) 65° (1990) 1.55" NA
February 16° 34° -23° (1996) 70° (1954) 1.41" NA
March 26° 46° -11° (1978) 85° (1986) 2.49" NA
April 37° 60° -2° (1982) 91° (2002) 3.48" NA
May 48° 71° 22° (2005) 93° (1967) 3.53" NA
June 59° 80° 38° (1988) 101° (1971) 4.46" NA
July 62° 84° 42° (1983) 104° (1983) 3.98" NA
August 60° 82° 38° (1986) 103° (1953) 4.14" NA
September 51° 75° 26° (1974) 102° (1953) 3.04" NA
October 39° 63° 17° (1988) 91° (1954) 2.57" NA
November 29° 47° -4° (1959) 79° (2000) 2.74" NA
December 17° 33° -24° (1983) 67° (1998) 2.37" NA
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 55° 76° 39° (1993) 92° (1988) 0.14" NA
Jun 2 55° 77° 42° (2003) 93° (1988) 0.14" NA
Jun 3 55° 77° 39° (1956) 94° (1972) 0.14" NA
Jun 4 56° 77° 42° (1988) 93° (1971) 0.14" NA
Jun 5 56° 78° 40° (1951) 94° (1971) 0.14" NA
Jun 6 56° 78° 43° (1958) 93° (1968) 0.15" NA
Jun 7 57° 78° 41° (1977) 97° (1963) 0.15" NA
Jun 8 57° 79° 40° (1949) 97° (1963) 0.15" NA
Jun 9 57° 79° 41° (1977) 98° (1968) 0.15" NA
Jun 10 57° 79° 38° (1988) 96° (1956) 0.15" NA
Jun 11 58° 79° 41° (1988) 95° (1956) 0.15" NA
Jun 12 58° 80° 43° (1988) 94° (1956) 0.15" NA
Jun 13 58° 80° 47° (1978) 93° (1952) 0.15" NA
Jun 14 59° 80° 48° (1955) 94° (1987) 0.15" NA
Jun 15 59° 80° 45° (1980) 99° (1987) 0.15" NA
Jun 16 59° 80° 44° (1980) 94° (1952) 0.15" NA
Jun 17 59° 81° 44° (1980) 94° (1994) 0.16" NA
Jun 18 60° 81° 44° (1980) 95° (1954) 0.16" NA
Jun 19 60° 81° 45° (1980) 97° (1953) 0.15" NA
Jun 20 60° 81° 44° (1948) 95° (1953) 0.15" NA
Jun 21 60° 81° 45° (1963) 99° (1988) 0.15" NA
Jun 22 60° 82° 46° (1963) 99° (1988) 0.15" NA
Jun 23 60° 82° 46° (1982) 95° (1968) 0.15" NA
Jun 24 61° 82° 45° (1979) 94° (1971) 0.15" NA
Jun 25 61° 82° 44° (1979) 98° (1954) 0.15" NA
Jun 26 61° 82° 49° (1958) 100° (1988) 0.15" NA
Jun 27 61° 82° 49° (1958) 99° (1971) 0.15" NA
Jun 28 61° 83° 51° (1955) 101° (1971) 0.15" NA
Jun 29 61° 83° 51° (1950) 97° (1954) 0.15" NA
Jun 30 61° 83° 47° (1988) 96° (1953) 0.14" NA
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