December weather in Millbrook, NY
The average temperature in Millbrook in December is 31.0°F (22.5°F–39.5°F). Average precipitation: 4.05 inches.
December is a winter month in Millbrook, and is cooler than the annual average of 48.6°F. Daily temperatures swing about 17°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 59m. For travel, December is cold.
Avg High
39.5°F
Avg Low
22.5°F
Precipitation
4.05 in
Daylight
8h 59m
December records in Millbrook
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 67.5°F (2006) | 15.4°F (2019) | 1.24 in (2010) |
| December 2 | 52.7°F (2009) | 13.5°F (2024) | 0.69 in (2019) |
| December 3 | 64.0°F (2009) | 17.1°F (2024) | 0.85 in (2009) |
| December 4 | 56.7°F (2012) | 12.6°F (2024) | 0.19 in (2005) |
| December 5 | 58.6°F (2011) | 3.7°F (2025) | 0.44 in (2017) |
| December 6 | 60.1°F (2011) | 13.5°F (2008) | 0.88 in (2014) |
| December 7 | 58.5°F (2022) | 11.7°F (2019) | 1.99 in (2011) |
| December 8 | 55.0°F (2004) | 3.2°F (2019) | 0.29 in (2011) |
| December 9 | 54.7°F (2008) | 0.5°F (2025) | 1.26 in (2014) |
| December 10 | 58.5°F (2015) | 5.9°F (2010) | 1.48 in (2023) |
| December 11 | 64.2°F (2021) | 10.6°F (2016) | 2.06 in (2024) |
| December 12 | 59.9°F (2015) | 10.9°F (2019) | 1.69 in (2008) |
| December 13 | 57.7°F (2020) | 5.0°F (2005) | 1.00 in (2007) |
| December 14 | 61.3°F (2015) | -7.4°F (2005) | 0.71 in (2019) |
| December 15 | 62.4°F (2015) | -4.5°F (2005) | 0.35 in (2013) |
| December 16 | 63.1°F (2021) | 0.3°F (2016) | 0.94 in (2018) |
| December 17 | 57.6°F (2021) | -3.1°F (2013) | 1.16 in (2020) |
| December 18 | 62.4°F (2023) | 3.9°F (2007) | 2.51 in (2023) |
| December 19 | 56.8°F (2025) | -2.7°F (2020) | 1.05 in (2025) |
| December 20 | 51.1°F (2013) | -1.5°F (2004) | 0.21 in (2018) |
| December 21 | 62.4°F (2018) | -1.8°F (2004) | 1.03 in (2018) |
| December 22 | 66.0°F (2013) | 1.9°F (2024) | 0.26 in (2015) |
| December 23 | 59.7°F (2013) | -5.6°F (2008) | 1.93 in (2022) |
| December 24 | 70.2°F (2015) | 3.6°F (2022) | 1.09 in (2008) |
| December 25 | 62.6°F (2020) | 8.1°F (2022) | 1.33 in (2020) |
| December 26 | 51.3°F (2015) | 3.7°F (2017) | 1.02 in (2005) |
| December 27 | 56.1°F (2016) | -2.7°F (2017) | 0.61 in (2012) |
| December 28 | 61.3°F (2008) | -6.7°F (2017) | 0.80 in (2023) |
| December 29 | 57.0°F (2024) | -2.2°F (2017) | 0.98 in (2005) |
| December 30 | 61.9°F (2022) | -2.0°F (2017) | 0.60 in (2019) |
| December 31 | 55.8°F (2022) | -7.2°F (2017) | 0.69 in (2018) |