December weather in Rock Port, MO
The average temperature in Rock Port in December is 28.2°F (19.7°F–36.7°F). Average precipitation: inches.
December is a winter month in Rock Port, and is cooler than the annual average of 51.1°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Daylight averages about 9h 8m. For travel, December is cold.
Avg High
36.7°F
Avg Low
19.7°F
Precipitation
in
Daylight
9h 8m
December records in Rock Port
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (1913) | -2.0°F (1944) | 0.98 in (1986) |
| December 2 | 73.0°F (1913) | -2.0°F (1919) | 1.45 in (1986) |
| December 3 | 70.0°F (1913) | -8.0°F (1919) | 0.75 in (1944) |
| December 4 | 71.1°F (1913) | 3.9°F (2005) | 1.90 in (1973) |
| December 5 | 70.0°F (1913) | -4.0°F (1950) | 1.63 in (1913) |
| December 6 | 71.1°F (1939) | -8.0°F (1950) | 0.41 in (1913) |
| December 7 | 61.0°F (1916) | -8.0°F (1976) | 0.45 in (1986) |
| December 8 | 66.9°F (1946) | -14.1°F (1917) | 0.38 in (1986) |
| December 9 | 64.0°F (1939) | -11.9°F (1919) | 0.50 in (1961) |
| December 10 | 63.0°F (1975) | -22.0°F (1919) | 1.60 in (2007) |
| December 11 | 66.0°F (1965) | -9.9°F (1917) | 0.32 in (1959) |
| December 12 | 64.0°F (1921) | -13.0°F (1932) | 0.80 in (1972) |
| December 13 | 69.1°F (1921) | -16.1°F (1917) | 1.20 in (1918) |
| December 14 | 64.0°F (1912) | -11.0°F (1914) | 0.90 in (1975) |
| December 15 | 66.9°F (1912) | -15.0°F (1989) | 2.20 in (1995) |
| December 16 | 64.9°F (1939) | -15.0°F (1932) | 0.59 in (1940) |
| December 17 | 69.1°F (1939) | -13.0°F (1989) | 0.70 in (1995) |
| December 18 | 66.0°F (1976) | -11.9°F (1983) | 1.30 in (1968) |
| December 19 | 59.0°F (1976) | -20.0°F (1945) | 0.30 in (1952) |
| December 20 | 59.0°F (1917) | -9.9°F (1961) | 0.50 in (1991) |
| December 21 | 64.0°F (1941) | -17.0°F (1989) | 1.26 in (2006) |
| December 22 | 66.0°F (1933) | -23.1°F (1989) | 1.50 in (1941) |
| December 23 | 73.0°F (1964) | -24.0°F (1989) | 0.78 in (1941) |
| December 24 | 62.1°F (1964) | -18.9°F (1989) | 1.11 in (1965) |
| December 25 | 61.0°F (1912) | -20.0°F (1948) | 0.38 in (1957) |
| December 26 | 61.0°F (1959) | -18.9°F (1948) | 0.83 in (1942) |
| December 27 | 68.0°F (1946) | -8.0°F (1951) | 0.94 in (1959) |
| December 28 | 68.0°F (1984) | -20.9°F (1924) | 0.51 in (1959) |
| December 29 | 64.0°F (1984) | -16.1°F (1917) | 0.41 in (1972) |
| December 30 | 64.0°F (1912) | -11.9°F (1961) | 1.26 in (1972) |
| December 31 | 66.0°F (2004) | -14.1°F (1976) | 1.56 in (1931) |