Rock Port, Missouri
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 12° 33° -28° (1947) 68° (2003) 0.83" 6"
February 18° 40° -24° (1978) 79° (1930) 0.9" 6"
March 28° 52° -20° (1960) 88° (1968) 2.29" 3.8"
April 39° 64° 6° (1975) 95° (1989) 2.66" 0.7"
May 50° 75° 8° (1954) 103° (1934) 4.48" 0"
June 60° 84° 37° (1946) 105° (1934) 4.25" 0"
July 64° 87° 42° (1972) 113° (1936) 4.84" 0"
August 61° 85° 37° (1946) 112° (1934) 3.39" 0"
September 52° 78° 25° (1984) 105° (1939) 3.93" 0"
October 39° 67° -2° (1925) 96° (1938) 2.64" 0"
November 28° 49° -8° (1991) 84° (1987) 2.2" 1.2"
December 17° 36° -24° (1989) 73° (1964) 1.11" 5.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Dec 1 22° 41° -2° (1944) 70° (1995) 0.05" NA
Dec 2 21° 41° -2° (1919) 66° (1956) 0.05" NA
Dec 3 21° 40° -8° (1919) 72° (1995) 0.05" NA
Dec 4 20° 40° 7° (1991) 66° (1946) 0.05" NA
Dec 5 20° 40° -4° (1950) 68° (1975) 0.05" NA
Dec 6 20° 39° -8° (1950) 71° (1939) 0.04" NA
Dec 7 19° 39° -8° (1976) 61° (1918) 0.04" NA
Dec 8 19° 39° -10° (1976) 67° (1946) 0.04" NA
Dec 9 19° 38° -12° (1919) 64° (1939) 0.04" NA
Dec 10 18° 38° -22° (1919) 63° (1975) 0.04" NA
Dec 11 18° 37° -5° (1976) 66° (1965) 0.04" NA
Dec 12 18° 37° -13° (1932) 64° (1921) 0.04" NA
Dec 13 17° 37° -15° (1961) 69° (1921) 0.04" NA
Dec 14 17° 36° -10° (1972) 59° (1975) 0.03" NA
Dec 15 17° 36° -15° (1989) 59° (2006) 0.03" NA
Dec 16 16° 36° -15° (1932) 65° (1939) 0.03" NA
Dec 17 16° 36° -13° (1989) 69° (1939) 0.03" NA
Dec 18 16° 35° -12° (1983) 66° (1976) 0.03" NA
Dec 19 16° 35° -20° (1945) 59° (1976) 0.03" NA
Dec 20 15° 35° -17° (1983) 58° (1967) 0.03" NA
Dec 21 15° 35° -17° (1989) 64° (1941) 0.03" NA
Dec 22 15° 34° -23° (1989) 66° (1933) 0.03" NA
Dec 23 14° 34° -24° (1989) 73° (1964) 0.03" NA
Dec 24 14° 34° -19° (1989) 62° (1964) 0.03" NA
Dec 25 14° 34° -20° (1948) 61° (1936) 0.03" NA
Dec 26 14° 34° -19° (1948) 61° (1959) 0.03" NA
Dec 27 13° 33° -8° (1951) 68° (1946) 0.03" NA
Dec 28 13° 33° -21° (1924) 68° (1984) 0.03" NA
Dec 29 13° 33° -9° (1983) 64° (1984) 0.03" NA
Dec 30 13° 33° -12° (1961) 64° (1965) 0.03" NA
Dec 31 12° 33° -14° (1976) 66° (2004) 0.03" NA
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