December weather in Syracuse, IN
The average temperature in Syracuse in December is 29.8°F (23.3°F–36.3°F). Average precipitation: 2.57 inches. Average snowfall is 8.1 inches.
December is a winter month in Syracuse, and is cooler than the annual average of 50.1°F. Daily temperatures swing about 13°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 9h 1m. For travel, December is cold.
Avg High
36.3°F
Avg Low
23.3°F
Precipitation
2.57 in
Snow
8.1 in
December records in Syracuse
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (2012) | 15.1°F (2025) | 0.51 in (2023) |
| December 2 | 57.9°F (2012) | 14.0°F (2025) | 0.86 in (2007) |
| December 3 | 64.0°F (2012) | 15.1°F (2025) | 0.15 in (2023) |
| December 4 | 62.1°F (2012) | 10.0°F (2025) | 0.41 in (2011) |
| December 5 | 57.9°F (2013) | 6.1°F (2025) | 0.64 in (2021) |
| December 6 | 51.1°F (2015) | 8.1°F (2007) | 0.18 in (2010) |
| December 7 | 48.9°F (2023) | 10.9°F (2025) | 0.17 in (2025) |
| December 8 | 55.0°F (2023) | 5.0°F (2025) | 0.46 in (2009) |
| December 9 | 57.9°F (2023) | 12.0°F (2018) | 0.80 in (2008) |
| December 10 | 57.0°F (2021) | 1.9°F (2013) | 0.26 in (2021) |
| December 11 | 59.0°F (2021) | 8.1°F (2013) | 1.40 in (2007) |
| December 12 | 64.9°F (2015) | -4.0°F (2013) | 0.71 in (2020) |
| December 13 | 62.1°F (2015) | 7.0°F (2016) | 0.33 in (2009) |
| December 14 | 60.1°F (2015) | 0.0°F (2016) | 1.35 in (2011) |
| December 15 | 61.0°F (2021) | -2.0°F (2016) | 0.59 in (2024) |
| December 16 | 59.0°F (2021) | 5.0°F (2016) | 0.72 in (2007) |
| December 17 | 44.1°F (2018) | 12.0°F (2008) | 0.13 in (2023) |
| December 18 | 52.0°F (2025) | -4.0°F (2016) | 0.42 in (2025) |
| December 19 | 50.0°F (2011) | -11.0°F (2016) | 0.86 in (2008) |
| December 20 | 50.0°F (2012) | 6.1°F (2010) | 1.26 in (2012) |
| December 21 | 51.1°F (2015) | -5.1°F (2008) | 1.42 in (2013) |
| December 22 | 53.1°F (2019) | -4.0°F (2008) | 0.35 in (2023) |
| December 23 | 62.1°F (2015) | -9.9°F (2022) | 0.60 in (2015) |
| December 24 | 55.9°F (2015) | -4.0°F (2022) | 0.51 in (2014) |
| December 25 | 59.0°F (2019) | 3.0°F (2022) | 0.83 in (2009) |
| December 26 | 62.1°F (2019) | -2.0°F (2017) | 0.41 in (2016) |
| December 27 | 63.0°F (2008) | -6.0°F (2017) | 0.80 in (2008) |
| December 28 | 62.1°F (2025) | -4.0°F (2017) | 1.25 in (2015) |
| December 29 | 59.0°F (2019) | 9.0°F (2017) | 1.78 in (2024) |
| December 30 | 53.1°F (2022) | -4.0°F (2017) | 0.65 in (2022) |
| December 31 | 55.9°F (2010) | -6.0°F (2017) | 1.08 in (2018) |