December weather in Cortland, OH
The average temperature in Cortland in December is 32.2°F (24.4°F–40.0°F). Average precipitation: 2.95 inches. Average snowfall is 8.0 inches.
December is a winter month in Cortland, and is cooler than the annual average of 49.2°F. Daily temperatures swing about 15.6°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 9h 2m. For travel, December is cold.
Avg High
40.0°F
Avg Low
24.4°F
Precipitation
2.95 in
Snow
8.0 in
December records in Cortland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 61.0°F (2014) | 9.0°F (1952) | 1.31 in (2010) |
| December 2 | 57.9°F (2012) | 12.0°F (1952) | 0.62 in (1974) |
| December 3 | 64.9°F (2018) | 15.1°F (1949) | 1.50 in (1991) |
| December 4 | 60.1°F (1951) | 15.1°F (1949) | 0.98 in (1978) |
| December 5 | 63.0°F (2012) | 8.1°F (2025) | 0.70 in (1994) |
| December 6 | 63.0°F (2013) | 7.0°F (2025) | 1.01 in (2011) |
| December 7 | 60.1°F (1951) | 18.0°F (1949) | 0.88 in (1957) |
| December 8 | 57.9°F (1951) | 12.9°F (1954) | 1.01 in (1971) |
| December 9 | 60.1°F (2023) | 10.0°F (2025) | 0.82 in (1951) |
| December 10 | 63.0°F (1952) | 12.0°F (1950) | 0.92 in (2019) |
| December 11 | 63.0°F (2021) | 12.0°F (1950) | 1.00 in (1988) |
| December 12 | 63.0°F (2021) | 9.0°F (1954) | 1.20 in (2007) |
| December 13 | 66.9°F (2015) | 9.0°F (2013) | 1.04 in (1959) |
| December 14 | 64.0°F (2015) | 0.0°F (1951) | 0.94 in (1977) |
| December 15 | 63.0°F (2015) | 3.9°F (2017) | 1.13 in (1971) |
| December 16 | 57.9°F (2021) | -8.0°F (1951) | 0.87 in (1948) |
| December 17 | 60.1°F (2021) | -14.1°F (1951) | 1.30 in (2000) |
| December 18 | 57.0°F (2012) | -11.9°F (1951) | 1.00 in (2001) |
| December 19 | 55.9°F (2025) | 6.1°F (1953) | 0.87 in (1990) |
| December 20 | 51.1°F (2017) | -4.0°F (1963) | 3.00 in (2004) |
| December 21 | 55.9°F (1949) | 0.0°F (1963) | 1.25 in (1998) |
| December 22 | 64.0°F (2013) | -0.9°F (1963) | 1.25 in (2013) |
| December 23 | 64.0°F (2013) | 7.0°F (1951) | 1.54 in (2022) |
| December 24 | 64.0°F (2015) | -2.9°F (2022) | 0.50 in (1996) |
| December 25 | 62.1°F (2015) | 0.0°F (2022) | 1.45 in (1979) |
| December 26 | 61.0°F (2023) | 7.0°F (2022) | 0.94 in (2009) |
| December 27 | 64.9°F (2019) | -15.0°F (1950) | 2.05 in (2015) |
| December 28 | 59.0°F (2014) | -11.9°F (1950) | 1.70 in (1968) |
| December 29 | 61.0°F (2024) | -14.1°F (1950) | 0.67 in (2025) |
| December 30 | 60.1°F (2025) | 1.9°F (1950) | 0.98 in (1990) |
| December 31 | 64.0°F (2022) | -9.9°F (1963) | 1.38 in (1992) |