Sterling/Rock Falls, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 10° 26° -27° (1999) 65° (2004) 1.6" 9"
February 15° 32° -27° (1905) 71° (2000) 1.43" 6.8"
March 27° 44° -13° (2002) 87° (1986) 2.55" 5"
April 37° 58° 8° (1982) 93° (1986) 3.61" 1.3"
May 48° 70° 24° (2005) 105° (1934) 4.32" 0"
June 58° 79° 34° (1945) 106° (1934) 4.88" 0"
July 62° 82° 43° (1904) 110° (1936) 3.45" 0"
August 60° 80° 37° (1934) 103° (1988) 4.47" 0"
September 51° 73° 22° (1942) 102° (1939) 3.31" 0"
October 39° 62° 7° (1925) 93° (1963) 2.71" 0.2"
November 28° 45° -8° (1977) 81° (1933) 2.82" 1.5"
December 17° 31° -25° (1983) 68° (1998) 2.13" 9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 21° 37° -11° (1962) 65° (2000) 0.06" NA
Mar 2 21° 38° -8° (1913) 68° (1974) 0.06" NA
Mar 3 22° 38° -6° (1913) 74° (1974) 0.06" NA
Mar 4 22° 39° -13° (2002) 74° (1983) 0.07" NA
Mar 5 22° 39° -11° (2002) 70° (1921) 0.07" NA
Mar 6 23° 40° -8° (1960) 73° (1983) 0.07" NA
Mar 7 23° 40° -5° (1943) 71° (2000) 0.07" NA
Mar 8 24° 40° -11° (1943) 78° (2000) 0.07" NA
Mar 9 24° 41° -2° (1996) 76° (2000) 0.07" NA
Mar 10 24° 41° -1° (1984) 72° (1955) 0.07" NA
Mar 11 25° 42° 0° (1943) 72° (1972) 0.08" NA
Mar 12 25° 42° -3° (1948) 71° (1990) 0.08" NA
Mar 13 26° 43° 5° (1912) 78° (1990) 0.08" NA
Mar 14 26° 43° 5° (1960) 74° (2007) 0.08" NA
Mar 15 26° 44° 5° (1979) 73° (1995) 0.08" NA
Mar 16 27° 44° 5° (1923) 80° (1945) 0.08" NA
Mar 17 27° 45° 0° (1941) 74° (1945) 0.08" NA
Mar 18 28° 45° 0° (1941) 74° (1938) 0.08" NA
Mar 19 28° 46° -9° (1923) 82° (1921) 0.09" NA
Mar 20 28° 46° 5° (1965) 78° (1921) 0.09" NA
Mar 21 29° 47° 8° (1951) 79° (1938) 0.09" NA
Mar 22 29° 47° 4° (1912) 84° (1907) 0.09" NA
Mar 23 29° 47° 3° (1940) 82° (1939) 0.09" NA
Mar 24 30° 48° 2° (1974) 81° (1939) 0.09" NA
Mar 25 30° 48° 6° (1940) 85° (1910) 0.1" NA
Mar 26 31° 49° 9° (1955) 80° (1910) 0.1" NA
Mar 27 31° 49° 8° (1965) 81° (1945) 0.1" NA
Mar 28 31° 50° 13° (1964) 81° (1910) 0.1" NA
Mar 29 32° 50° 12° (1969) 82° (1910) 0.1" NA
Mar 30 32° 51° 9° (1969) 87° (1986) 0.1" NA
Mar 31 32° 51° 8° (1923) 80° (1986) 0.1" NA
Advertisements
Track Severe Weather on mobile