December weather in Rockwood, IL
The average temperature in Rockwood in December is °F (°F–°F). Average precipitation: 3.03 inches. Average snowfall is 2.9 inches.
December is a winter month in Rockwood, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 9h 23m.
Avg High
°F
Avg Low
°F
Precipitation
3.03 in
Snow
2.9 in
December records in Rockwood
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 55.0°F (1908) | 21.9°F (1905) | 1.20 in (2018) |
| December 2 | 50.0°F (1907) | 15.1°F (1908) | 0.65 in (1905) |
| December 3 | 46.0°F (1906) | 19.9°F (1905) | 3.20 in (1982) |
| December 4 | 60.1°F (1906) | 21.0°F (1905) | 3.00 in (1982) |
| December 5 | 66.0°F (1906) | 21.0°F (1908) | 1.50 in (1954) |
| December 6 | 68.0°F (1907) | 19.0°F (1908) | 1.21 in (2013) |
| December 7 | 50.0°F (1905) | 24.1°F (1908) | 1.30 in (1966) |
| December 8 | 55.9°F (1906) | 26.1°F (1908) | 0.77 in (1978) |
| December 9 | 72.0°F (1907) | 35.1°F (1908) | 1.01 in (1951) |
| December 10 | 55.9°F (1907) | 27.0°F (1907) | 1.98 in (1999) |
| December 11 | 54.0°F (1907) | 21.0°F (1907) | 1.10 in (1983) |
| December 12 | 60.1°F (1907) | 32.0°F (1905) | 1.50 in (1959) |
| December 13 | 60.1°F (1906) | 28.0°F (1905) | 0.75 in (1954) |
| December 14 | 60.1°F (1906) | 26.1°F (1905) | 1.26 in (1977) |
| December 15 | 57.9°F (1908) | 28.0°F (1905) | 2.23 in (2018) |
| December 16 | 64.9°F (1908) | 24.1°F (1905) | 1.01 in (1957) |
| December 17 | 72.0°F (1908) | 26.1°F (1906) | 1.70 in (1957) |
| December 18 | 62.1°F (1908) | 24.1°F (1906) | 1.70 in (2021) |
| December 19 | 48.0°F (1908) | 28.0°F (1906) | 1.53 in (1995) |
| December 20 | 46.0°F (1905) | 30.0°F (1906) | 1.20 in (1957) |
| December 21 | 44.1°F (1905) | 21.9°F (1906) | 1.62 in (2013) |
| December 22 | 45.0°F (1908) | 21.9°F (1906) | 1.29 in (2013) |
| December 23 | 46.0°F (1907) | 16.0°F (1906) | 1.13 in (2017) |
| December 24 | 48.0°F (1907) | 19.9°F (1906) | 2.80 in (1982) |
| December 25 | 50.0°F (1905) | 24.1°F (1906) | 2.20 in (1982) |
| December 26 | 54.0°F (1905) | 30.0°F (1906) | 1.67 in (1987) |
| December 27 | 70.0°F (1907) | 36.0°F (1905) | 1.85 in (2015) |
| December 28 | 73.9°F (1907) | 30.0°F (1905) | 2.95 in (2015) |
| December 29 | 59.0°F (1907) | 32.0°F (1905) | 1.50 in (2003) |
| December 30 | 61.0°F (1906) | 36.0°F (1905) | 2.50 in (1990) |
| December 31 | 55.9°F (1906) | 21.9°F (1908) | 0.80 in (1978) |