December weather in Palmyra, IL
The average temperature in Palmyra in December is 32.8°F (24.6°F–40.9°F). Average precipitation: 2.32 inches. Average snowfall is 2.8 inches.
December is a winter month in Palmyra, and is cooler than the annual average of 53.4°F. Daily temperatures swing about 16.3°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 14m. For travel, December is cold.
Avg High
40.9°F
Avg Low
24.6°F
Precipitation
2.32 in
Snow
2.8 in
December records in Palmyra
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 72.0°F (1970) | 3.9°F (1893) | 0.97 in (1986) |
| December 2 | 72.0°F (1982) | 3.0°F (1929) | 2.03 in (1967) |
| December 3 | 73.9°F (1970) | -4.0°F (1929) | 3.75 in (1982) |
| December 4 | 73.9°F (1998) | 0.0°F (1893) | 1.61 in (1973) |
| December 5 | 72.0°F (1956) | 3.9°F (1895) | 1.04 in (1999) |
| December 6 | 71.1°F (1980) | 0.0°F (1977) | 0.93 in (2004) |
| December 7 | 70.0°F (1998) | 0.0°F (1976) | 1.25 in (1922) |
| December 8 | 69.1°F (1991) | -2.0°F (1909) | 1.70 in (1901) |
| December 9 | 70.0°F (1918) | -5.1°F (1917) | 0.69 in (1967) |
| December 10 | 64.9°F (1918) | -9.9°F (1917) | 2.35 in (1971) |
| December 11 | 70.0°F (1949) | -14.1°F (1917) | 1.95 in (1985) |
| December 12 | 66.0°F (1929) | -9.9°F (1962) | 1.50 in (1972) |
| December 13 | 68.0°F (1948) | -5.1°F (1903) | 2.63 in (1901) |
| December 14 | 68.0°F (1975) | -7.1°F (1898) | 3.22 in (1971) |
| December 15 | 73.9°F (1948) | -9.0°F (1989) | 1.72 in (1992) |
| December 16 | 66.9°F (2021) | -9.0°F (1951) | 0.61 in (1915) |
| December 17 | 69.1°F (1908) | -2.9°F (1989) | 0.77 in (1928) |
| December 18 | 66.9°F (1939) | -5.1°F (1950) | 2.33 in (1895) |
| December 19 | 62.1°F (1941) | -11.9°F (1983) | 2.75 in (1895) |
| December 20 | 66.9°F (1941) | -14.1°F (1901) | 0.84 in (2011) |
| December 21 | 64.9°F (1941) | -13.0°F (1989) | 1.74 in (1949) |
| December 22 | 64.0°F (1965) | -20.0°F (1989) | 1.68 in (1988) |
| December 23 | 68.0°F (1933) | -17.0°F (1989) | 1.45 in (1907) |
| December 24 | 66.9°F (1955) | -15.0°F (1983) | 2.25 in (1979) |
| December 25 | 66.9°F (2021) | -15.0°F (1983) | 1.51 in (2009) |
| December 26 | 70.0°F (1942) | -11.9°F (1948) | 0.65 in (1949) |
| December 27 | 66.9°F (1907) | -4.0°F (1925) | 2.08 in (1942) |
| December 28 | 71.1°F (1984) | -14.1°F (1924) | 1.53 in (2008) |
| December 29 | 68.0°F (1984) | -7.1°F (1917) | 1.68 in (1990) |
| December 30 | 66.9°F (1965) | -11.0°F (1909) | 1.34 in (1931) |
| December 31 | 68.0°F (1951) | -8.0°F (1976) | 0.90 in (1978) |