January weather in Rockville, MO
The average temperature in Rockville in January is 30.6°F (21.2°F–40.0°F). Average precipitation: 1.57 inches. Average snowfall is 3.8 inches.
January is a winter month in Rockville, and is cooler than the annual average of 55.4°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 38m. For travel, January is cold.
Avg High
40.0°F
Avg Low
21.2°F
Precipitation
1.57 in
Snow
3.8 in
January records in Rockville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 69.1°F (1965) | -9.9°F (1928) | 1.10 in (2021) |
| January 2 | 71.1°F (2006) | -8.0°F (1979) | 3.52 in (1897) |
| January 3 | 69.1°F (2023) | -11.9°F (1928) | 2.32 in (1971) |
| January 4 | 72.0°F (2009) | -13.0°F (1947) | 1.16 in (1922) |
| January 5 | 64.9°F (1927) | -14.1°F (1959) | 2.47 in (2005) |
| January 6 | 72.0°F (1907) | -9.0°F (1912) | 0.93 in (2005) |
| January 7 | 73.9°F (1965) | -17.0°F (1912) | 1.09 in (1937) |
| January 8 | 73.0°F (1954) | -14.1°F (1979) | 1.15 in (1937) |
| January 9 | 70.0°F (1963) | -5.1°F (1977) | 1.96 in (1901) |
| January 10 | 66.9°F (1911) | -16.1°F (1982) | 1.50 in (1949) |
| January 11 | 64.9°F (1911) | -15.0°F (1977) | 4.50 in (2011) |
| January 12 | 72.0°F (2017) | -20.9°F (1918) | 0.66 in (1960) |
| January 13 | 68.0°F (1907) | -18.0°F (1912) | 1.73 in (2005) |
| January 14 | 70.0°F (1952) | -9.9°F (1979) | 0.78 in (1898) |
| January 15 | 68.0°F (1990) | -14.1°F (1905) | 0.97 in (1949) |
| January 16 | 71.1°F (1952) | -9.9°F (2024) | 2.90 in (1907) |
| January 17 | 71.1°F (1894) | -11.0°F (1930) | 0.93 in (1900) |
| January 18 | 70.0°F (1951) | -22.0°F (1930) | 1.31 in (1907) |
| January 19 | 71.1°F (1906) | -18.9°F (1940) | 1.80 in (1894) |
| January 20 | 70.0°F (1895) | -17.0°F (1985) | 1.83 in (1904) |
| January 21 | 73.0°F (1957) | -9.9°F (1984) | 1.47 in (1973) |
| January 22 | 75.0°F (1909) | -18.0°F (1930) | 1.42 in (1965) |
| January 23 | 73.9°F (1967) | -7.1°F (1930) | 1.00 in (1938) |
| January 24 | 77.0°F (1950) | -14.1°F (1894) | 1.00 in (1921) |
| January 25 | 68.0°F (1950) | -9.9°F (1905) | 0.80 in (1976) |
| January 26 | 70.0°F (1911) | -11.9°F (1904) | 2.70 in (1898) |
| January 27 | 68.0°F (1968) | -14.1°F (1902) | 0.50 in (1994) |
| January 28 | 66.0°F (1917) | -11.0°F (1948) | 1.40 in (1914) |
| January 29 | 73.9°F (1947) | -9.0°F (1979) | 2.12 in (2001) |
| January 30 | 70.0°F (2016) | -11.0°F (1949) | 2.70 in (2013) |
| January 31 | 71.1°F (1989) | -8.0°F (1979) | 1.92 in (2002) |