Sterling/Rock Falls, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -12° -3° -32.8° (1999) 18.3° (2004) 1.6" 9"
February -9° -32.8° (1905) 21.7° (2000) 1.43" 6.8"
March -3° -25° (2002) 30.6° (1986) 2.55" 5"
April 14° -13.3° (1982) 33.9° (1986) 3.61" 1.3"
May 21° -4.4° (2005) 40.6° (1934) 4.32" 0"
June 14° 26° 1.1° (1945) 41.1° (1934) 4.88" 0"
July 17° 28° 6.1° (1904) 43.3° (1936) 3.45" 0"
August 16° 27° 2.8° (1934) 39.4° (1988) 4.47" 0"
September 11° 23° -5.6° (1942) 38.9° (1939) 3.31" 0"
October 17° -13.9° (1925) 33.9° (1963) 2.71" 0.2"
November -2° -22.2° (1977) 27.2° (1933) 2.82" 1.5"
December -8° -1° -31.7° (1983) 20° (1998) 2.13" 9"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 -6.1° 2.8° -24° (1962) 18° (2000) 0.06" NA
Mar 2 -6.1° 3.3° -22° (1913) 20° (1974) 0.06" NA
Mar 3 -5.6° 3.3° -21° (1913) 23° (1974) 0.06" NA
Mar 4 -5.6° 3.9° -25° (2002) 23° (1983) 0.07" NA
Mar 5 -5.6° 3.9° -24° (2002) 21° (1921) 0.07" NA
Mar 6 -5° 4.4° -22° (1960) 23° (1983) 0.07" NA
Mar 7 -5° 4.4° -21° (1943) 22° (2000) 0.07" NA
Mar 8 -4.4° 4.4° -24° (1943) 26° (2000) 0.07" NA
Mar 9 -4.4° -19° (1996) 24° (2000) 0.07" NA
Mar 10 -4.4° -18° (1984) 22° (1955) 0.07" NA
Mar 11 -3.9° 5.6° -18° (1943) 22° (1972) 0.08" NA
Mar 12 -3.9° 5.6° -19° (1948) 22° (1990) 0.08" NA
Mar 13 -3.3° 6.1° -15° (1912) 26° (1990) 0.08" NA
Mar 14 -3.3° 6.1° -15° (1960) 23.3° (2007) 0.08" NA
Mar 15 -3.3° 6.7° -15° (1979) 23° (1995) 0.08" NA
Mar 16 -2.8° 6.7° -15° (1923) 27° (1945) 0.08" NA
Mar 17 -2.8° 7.2° -18° (1941) 23° (1945) 0.08" NA
Mar 18 -2.2° 7.2° -18° (1941) 23° (1938) 0.08" NA
Mar 19 -2.2° 7.8° -23° (1923) 28° (1921) 0.09" NA
Mar 20 -2.2° 7.8° -15° (1965) 26° (1921) 0.09" NA
Mar 21 -1.7° 8.3° -13° (1951) 26° (1938) 0.09" NA
Mar 22 -1.7° 8.3° -16° (1912) 29° (1907) 0.09" NA
Mar 23 -1.7° 8.3° -16° (1940) 28° (1939) 0.09" NA
Mar 24 -1.1° 8.9° -17° (1974) 27° (1939) 0.09" NA
Mar 25 -1.1° 8.9° -14° (1940) 29° (1910) 0.1" NA
Mar 26 -0.6° 9.4° -13° (1955) 27° (1910) 0.1" NA
Mar 27 -0.6° 9.4° -13° (1965) 27° (1945) 0.1" NA
Mar 28 -0.6° 10° -11° (1964) 27° (1910) 0.1" NA
Mar 29 10° -11° (1969) 28° (1910) 0.1" NA
Mar 30 10.6° -13° (1969) 31° (1986) 0.1" NA
Mar 31 10.6° -13° (1923) 27° (1986) 0.1" NA
Advertisements
Track Severe Weather on mobile