Quincy, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -8° -29.4° (1985) 22.8° (1950) 1.36" 7.5"
February -6° -27.8° (1996) 24.4° (1972) 1.84" 6"
March 11° -25° (1960) 29.4° (1986) 3.04" 2.7"
April 17° -8.9° (1957) 33.3° (1986) 3.79" 0.8"
May 12° 23° -2.2° (1966) 33.9° (1956) 4.86" 0"
June 17° 28° 5.6° (1993) 38.3° (1954) 3.61" 0"
July 19° 30° 8.3° (1950) 44.4° (1954) 3.84" 0"
August 18° 29° 5.6° (1986) 39.4° (2007) 3.44" 0"
September 13° 25° 0° (1984) 37.8° (1953) 3.85" 0"
October 18° -7.8° (1952) 33.9° (2006) 3.21" 0"
November 10° -23.9° (1964) 27.2° (1950) 3.23" 2.3"
December -6° -30° (1989) 21.7° (1970) 2.37" 4.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Jun 1 14.4° 25.6° 7° (1972) 32° (1988) 0.14" NA
Jun 2 15° 25.6° 6° (1956) 31° (1948) 0.14" NA
Jun 3 15° 26.1° 6° (1964) 32° (2002) 0.13" NA
Jun 4 15° 26.1° 6° (1950) 33° (1953) 0.13" NA
Jun 5 15.6° 26.1° 6° (1993) 35° (1977) 0.13" NA
Jun 6 15.6° 26.1° 8° (1998) 34° (1963) 0.13" NA
Jun 7 15.6° 26.7° 9° (1983) 36° (1963) 0.13" NA
Jun 8 15.6° 26.7° 11° (1948) 36° (1963) 0.12" NA
Jun 9 16.1° 26.7° 8° (1977) 35° (1972) 0.12" NA
Jun 10 16.1° 27.2° 7° (1966) 34° (1968) 0.12" NA
Jun 11 16.1° 27.2° 6° (1972) 34° (1948) 0.12" NA
Jun 12 16.7° 27.2° 9° (1985) 35° (1952) 0.12" NA
Jun 13 16.7° 27.2° 8° (1985) 35° (1963) 0.12" NA
Jun 14 16.7° 27.8° 8° (1955) 36° (1987) 0.12" NA
Jun 15 16.7° 27.8° 10° (1961) 36° (1987) 0.12" NA
Jun 16 17.2° 27.8° 9° (1989) 35° (1952) 0.12" NA
Jun 17 17.2° 27.8° 9° (1974) 34° (1978) 0.12" NA
Jun 18 17.2° 28.3° 8° (1965) 36° (1953) 0.11" NA
Jun 19 17.2° 28.3° 11° (1976) 38° (1953) 0.11" NA
Jun 20 17.2° 28.3° 9° (2003) 37° (1988) 0.11" NA
Jun 21 17.8° 28.3° 7° (1992) 38° (1988) 0.11" NA
Jun 22 17.8° 28.3° 10° (1963) 37° (1988) 0.11" NA
Jun 23 17.8° 28.9° 11° (1972) 35° (1953) 0.11" NA
Jun 24 17.8° 28.9° 9° (1961) 37° (1988) 0.11" NA
Jun 25 17.8° 28.9° 10° (1974) 38° (1954) 0.11" NA
Jun 26 18.3° 28.9° 9° (1958) 38° (1954) 0.12" NA
Jun 27 18.3° 28.9° 9° (1992) 37° (1954) 0.12" NA
Jun 28 18.3° 29.4° 12° (1968) 36° (1952) 0.12" NA
Jun 29 18.3° 29.4° 11° (1950) 38° (1952) 0.12" NA
Jun 30 18.3° 29.4° 11° (1950) 37° (1963) 0.12" NA
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