December weather in St. Mary, KY
The average temperature in St. Mary in December is °F (°F–°F). Average precipitation: 4.41 inches. Average snowfall is 0.6 inches.
December is a winter month in St. Mary, and is cooler than the annual average of 0°F. Expect about 10 days with precipitation. Daylight averages about 9h 25m.
Avg High
°F
Avg Low
°F
Precipitation
4.41 in
Snow
0.6 in
December records in St. Mary
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.9°F (1895) | 35.1°F (1895) | 1.10 in (1975) |
| December 2 | 48.9°F (1894) | 16.0°F (1895) | 1.74 in (1894) |
| December 3 | 44.1°F (1894) | 14.0°F (1895) | 3.50 in (1991) |
| December 4 | 44.1°F (1894) | 12.0°F (1895) | 2.00 in (1893) |
| December 5 | 88.0°F (1893) | 10.0°F (1895) | 2.09 in (1977) |
| December 6 | 51.1°F (1894) | 30.0°F (1895) | 2.70 in (2015) |
| December 7 | 55.9°F (1894) | 35.1°F (1895) | 1.25 in (1957) |
| December 8 | 64.0°F (1894) | 26.1°F (1895) | 2.51 in (1978) |
| December 9 | 54.0°F (1894) | 21.9°F (1895) | 3.92 in (1978) |
| December 10 | 64.0°F (1894) | 23.0°F (1895) | 1.85 in (2008) |
| December 11 | 93.9°F (1893) | 30.0°F (1895) | 1.56 in (2007) |
| December 12 | 46.9°F (1894) | 21.9°F (1895) | 2.29 in (1949) |
| December 13 | 46.0°F (1894) | 16.0°F (1895) | 2.22 in (1979) |
| December 14 | 50.0°F (1894) | 26.1°F (1895) | 1.20 in (1893) |
| December 15 | 55.9°F (1894) | 36.0°F (1895) | 1.75 in (1948) |
| December 16 | 60.1°F (1894) | 19.9°F (1894) | 1.45 in (1982) |
| December 17 | 60.1°F (1895) | 24.1°F (1894) | 2.28 in (2000) |
| December 18 | 62.1°F (1895) | 28.0°F (1894) | 2.42 in (1990) |
| December 19 | 64.9°F (1895) | 25.0°F (1894) | 1.28 in (1990) |
| December 20 | 64.0°F (1895) | 28.9°F (1894) | 1.30 in (1957) |
| December 21 | 64.9°F (1895) | 24.1°F (1894) | 1.77 in (1984) |
| December 22 | 73.0°F (1893) | 35.1°F (1894) | 2.90 in (1970) |
| December 23 | 75.9°F (1893) | 30.0°F (1895) | 2.23 in (2004) |
| December 24 | 77.0°F (1893) | 35.1°F (1893) | 1.40 in (2008) |
| December 25 | 62.1°F (1893) | 25.0°F (1894) | 2.35 in (1895) |
| December 26 | 69.1°F (1893) | 17.1°F (1894) | 3.36 in (1987) |
| December 27 | 71.1°F (1893) | 10.0°F (1894) | 0.80 in (2015) |
| December 28 | 64.9°F (1893) | 23.0°F (1895) | 1.70 in (2016) |
| December 29 | 59.0°F (1893) | 6.1°F (1894) | 1.67 in (1946) |
| December 30 | 68.0°F (1893) | 12.9°F (1894) | 1.63 in (1969) |
| December 31 | 69.1°F (1893) | 1.9°F (1894) | 2.37 in (1990) |