December weather in Bath, ME
The average temperature in Bath in December is 27.1°F (17.7°F–36.5°F). Average precipitation: 4.59 inches. Average snowfall is 14.0 inches.
December is a winter month in Bath, and is cooler than the annual average of 44.6°F. Daily temperatures swing about 18.8°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 8h 44m. For travel, December is cold.
Avg High
36.5°F
Avg Low
17.7°F
Precipitation
4.59 in
Snow
14.0 in
December records in Bath
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 57.0°F (2020) | 9.0°F (2013) | 2.01 in (2020) |
| December 2 | 59.0°F (2014) | 12.9°F (2019) | 1.51 in (2010) |
| December 3 | 50.0°F (2016) | 16.0°F (2024) | 1.32 in (1996) |
| December 4 | 53.1°F (2022) | 14.0°F (2019) | 0.81 in (2009) |
| December 5 | 54.0°F (2012) | -2.0°F (2025) | 0.79 in (2024) |
| December 6 | 54.0°F (2012) | -2.0°F (2025) | 2.42 in (2020) |
| December 7 | 54.0°F (2011) | 5.0°F (2019) | 0.71 in (2003) |
| December 8 | 55.0°F (2015) | 1.0°F (2019) | 1.93 in (1996) |
| December 9 | 50.0°F (2022) | -8.0°F (2025) | 0.22 in (1998) |
| December 10 | 52.0°F (2019) | -6.0°F (2025) | 1.65 in (2014) |
| December 11 | 55.0°F (2023) | 6.1°F (2016) | 2.72 in (2023) |
| December 12 | 57.9°F (2024) | 3.9°F (2013) | 2.45 in (2024) |
| December 13 | 55.9°F (2015) | 1.0°F (2018) | 2.16 in (2010) |
| December 14 | 46.9°F (2019) | 1.0°F (2013) | 1.11 in (2019) |
| December 15 | 55.0°F (2019) | 0.0°F (2017) | 1.60 in (2019) |
| December 16 | 48.9°F (2011) | -4.0°F (2016) | 0.84 in (2013) |
| December 17 | 51.1°F (2011) | -11.9°F (2013) | 1.40 in (2005) |
| December 18 | 55.9°F (2024) | -14.1°F (2013) | 1.10 in (2000) |
| December 19 | 59.0°F (2023) | -0.9°F (2013) | 1.14 in (2012) |
| December 20 | 55.0°F (2025) | -5.1°F (2016) | 0.61 in (2025) |
| December 21 | 42.1°F (2018) | -2.9°F (2016) | 1.17 in (2002) |
| December 22 | 57.0°F (2018) | 3.9°F (2019) | 1.98 in (1993) |
| December 23 | 51.1°F (2018) | 1.9°F (2024) | 0.97 in (2015) |
| December 24 | 53.1°F (2022) | 1.9°F (2024) | 1.48 in (2022) |
| December 25 | 55.9°F (2020) | 7.0°F (2011) | 1.28 in (1994) |
| December 26 | 57.0°F (2015) | 3.9°F (2025) | 1.07 in (2005) |
| December 27 | 48.9°F (2015) | -9.0°F (2017) | 0.90 in (2005) |
| December 28 | 53.1°F (2011) | -11.9°F (2017) | 1.54 in (2009) |
| December 29 | 50.0°F (2011) | -18.9°F (2017) | 0.74 in (2018) |
| December 30 | 51.1°F (2024) | -18.0°F (2017) | 1.78 in (2016) |
| December 31 | 52.0°F (2024) | -18.0°F (2017) | 1.41 in (2019) |