South Streator, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 15° 31° -25° (1985) 68° (1967) 1.48" 7.6"
February 19° 37° -23° (1905) 73° (2000) 1.5" 4.6"
March 29° 49° -8° (1943) 85° (1986) 2.46" 2.7"
April 40° 62° 12° (1997) 93° (1930) 3.22" 0.5"
May 51° 72° 26° (1923) 106° (1934) 4.11" 0"
June 60° 81° 35° (1945) 107° (1934) 3.98" 0"
July 65° 84° 39° (1920) 112° (1936) 3.85" 0"
August 62° 83° 33° (1915) 107° (1934) 3.89" 0"
September 54° 77° 25° (1942) 102° (1925) 3.26" 0"
October 42° 65° 13° (1925) 94° (1963) 2.8" 0"
November 32° 50° -6° (1930) 83° (1950) 3.11" 0.2"
December 20° 36° -23° (1924) 70° (1970) 2.13" 4.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 24° 42° -7° (1962) 70° (2000) 0.07" 0.1"
Mar 2 24° 42° -6° (1913) 75° (1992) 0.07" 0.2"
Mar 3 25° 43° 0° (1943) 78° (1974) 0.08" 0.1"
Mar 4 25° 43° -2° (2002) 72° (1983) 0.07" 0.1"
Mar 5 25° 44° -5° (1960) 74° (1983) 0.07" 0.1"
Mar 6 26° 44° -2° (1960) 72° (2000) 0.08" 0.1"
Mar 7 26° 45° 0° (1943) 74° (2000) 0.07" 0.2"
Mar 8 26° 45° -8° (1943) 78° (2000) 0.07" 0.1"
Mar 9 27° 46° 1° (1996) 79° (2000) 0.08" 0.1"
Mar 10 27° 46° 2° (1934) 73° (1955) 0.07" 0.1"
Mar 11 28° 46° 5° (1948) 76° (1972) 0.08" 0.1"
Mar 12 28° 47° 0° (1948) 75° (1990) 0.07" 0.1"
Mar 13 28° 47° 9° (1926) 79° (1990) 0.08" 0.1"
Mar 14 29° 48° 9° (1993) 77° (2007) 0.07" 0.1"
Mar 15 29° 48° 9° (1979) 77° (2007) 0.08" 0.1"
Mar 16 29° 49° 2° (1912) 82° (1945) 0.08" 0.1"
Mar 17 30° 49° 3° (1941) 75° (1995) 0.09" 0"
Mar 18 30° 50° 4° (1941) 78° (1903) 0.08" 0.1"
Mar 19 30° 50° -2° (1923) 82° (1921) 0.08" 0.1"
Mar 20 31° 51° 9° (1965) 78° (1921) 0.08" 0.1"
Mar 21 31° 51° 10° (1960) 83° (1907) 0.09" 0"
Mar 22 32° 52° 11° (1912) 82° (1938) 0.08" 0.1"
Mar 23 32° 52° 10° (1940) 85° (1910) 0.08" 0.1"
Mar 24 32° 53° 5° (1974) 81° (1910) 0.08" 0"
Mar 25 33° 53° 9° (1960) 83° (1910) 0.08" 0.1"
Mar 26 33° 54° 10° (1955) 83° (1907) 0.08" 0.1"
Mar 27 33° 54° 8° (1965) 82° (1945) 0.09" 0"
Mar 28 34° 54° 11° (1934) 84° (1910) 0.08" 0.1"
Mar 29 34° 55° 16° (1969) 81° (1910) 0.09" 0"
Mar 30 34° 55° 12° (1969) 85° (1986) 0.1" 0.1"
Mar 31 35° 56° 10° (1923) 84° (1986) 0.09" 0"
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