December weather in South Dayton, NY
The average temperature in South Dayton in December is 29.0°F (22.3°F–35.6°F). Average precipitation: 5.76 inches. Average snowfall is 51.3 inches.
December is a winter month in South Dayton, and is cooler than the annual average of 46.9°F. Daily temperatures swing about 13.3°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 8h 55m. For travel, December is a wet month.
Avg High
35.6°F
Avg Low
22.3°F
Precipitation
5.76 in
Snow
51.3 in
December records in South Dayton
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.9°F (2016) | 10.0°F (2013) | 1.66 in (2010) |
| December 2 | 51.1°F (2015) | 17.1°F (2014) | 0.91 in (2006) |
| December 3 | 59.0°F (2012) | 17.1°F (2014) | 1.15 in (2007) |
| December 4 | 64.0°F (2012) | 21.0°F (2013) | 1.10 in (2023) |
| December 5 | 55.9°F (2013) | 0.0°F (2025) | 0.81 in (2019) |
| December 6 | 60.1°F (2013) | 0.0°F (2025) | 1.04 in (2011) |
| December 7 | 48.9°F (2021) | 12.0°F (2024) | 0.92 in (2005) |
| December 8 | 46.9°F (2012) | -0.9°F (2025) | 0.77 in (2017) |
| December 9 | 55.9°F (2023) | -0.9°F (2025) | 1.35 in (2016) |
| December 10 | 57.9°F (2023) | -0.9°F (2025) | 0.96 in (2008) |
| December 11 | 53.1°F (2021) | 17.1°F (2011) | 1.17 in (2003) |
| December 12 | 61.0°F (2021) | 6.1°F (2025) | 1.26 in (2014) |
| December 13 | 61.0°F (2015) | 6.1°F (2025) | 1.14 in (2017) |
| December 14 | 62.1°F (2015) | 10.0°F (2025) | 1.48 in (2007) |
| December 15 | 66.9°F (2015) | 5.0°F (2025) | 1.71 in (2019) |
| December 16 | 51.1°F (2011) | 9.0°F (2016) | 1.21 in (2022) |
| December 17 | 60.1°F (2021) | 1.9°F (2013) | 0.59 in (2017) |
| December 18 | 48.0°F (2023) | 1.9°F (2013) | 0.86 in (2016) |
| December 19 | 48.9°F (2025) | 10.0°F (2019) | 0.98 in (2023) |
| December 20 | 45.0°F (2018) | 5.0°F (2016) | 1.06 in (2008) |
| December 21 | 57.9°F (2011) | 7.0°F (2016) | 1.08 in (2018) |
| December 22 | 52.0°F (2013) | 5.0°F (2024) | 1.68 in (2013) |
| December 23 | 55.0°F (2013) | 0.0°F (2024) | 1.59 in (2004) |
| December 24 | 62.1°F (2015) | -2.9°F (2022) | 1.23 in (2007) |
| December 25 | 61.0°F (2015) | -2.9°F (2022) | 1.61 in (2020) |
| December 26 | 55.9°F (2023) | -2.0°F (2013) | 1.36 in (2017) |
| December 27 | 52.0°F (2015) | 1.0°F (2017) | 1.13 in (2012) |
| December 28 | 51.1°F (2014) | -7.1°F (2017) | 0.61 in (2011) |
| December 29 | 54.0°F (2018) | -7.1°F (2017) | 0.84 in (2009) |
| December 30 | 60.1°F (2024) | -2.9°F (2017) | 1.02 in (2017) |
| December 31 | 57.9°F (2022) | -5.1°F (2017) | 0.56 in (2020) |