December weather in Leominster, MA
The average temperature in Leominster in December is 30.8°F (21.9°F–39.7°F). Average precipitation: 3.67 inches.
December is a winter month in Leominster, and is cooler than the annual average of 48.9°F. Daily temperatures swing about 17.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 8h 54m. For travel, December is cold.
Avg High
39.7°F
Avg Low
21.9°F
Precipitation
3.67 in
Daylight
8h 54m
December records in Leominster
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 68.0°F (2001) | 16.2°F (2007) | 1.21 in (2004) |
| December 2 | 61.0°F (1998) | 12.9°F (2003) | 0.89 in (2018) |
| December 3 | 68.0°F (2009) | 10.9°F (2000) | 0.72 in (2009) |
| December 4 | 68.0°F (1998) | 8.1°F (2002) | 0.08 in (2023) |
| December 5 | 64.9°F (2001) | 3.0°F (2025) | 1.97 in (2020) |
| December 6 | 73.0°F (2001) | 10.9°F (2002) | 0.83 in (2014) |
| December 7 | 73.9°F (1998) | 3.9°F (2002) | 1.40 in (2011) |
| December 8 | 54.0°F (2022) | -2.7°F (2019) | 0.40 in (1998) |
| December 9 | 55.0°F (2008) | -0.9°F (2025) | 1.50 in (2009) |
| December 10 | 62.1°F (2023) | 5.0°F (2000) | 1.13 in (2023) |
| December 11 | 64.0°F (2021) | 9.1°F (2016) | 1.29 in (2024) |
| December 12 | 59.0°F (2015) | 6.3°F (2013) | 1.96 in (2010) |
| December 13 | 57.9°F (2020) | 7.0°F (2005) | 0.70 in (2007) |
| December 14 | 57.9°F (2006) | -0.9°F (2005) | 1.24 in (2002) |
| December 15 | 62.1°F (2008) | 1.0°F (2005) | 0.54 in (2013) |
| December 16 | 62.1°F (2021) | 1.2°F (2016) | 1.61 in (2022) |
| December 17 | 62.1°F (2000) | -5.8°F (2013) | 1.87 in (2000) |
| December 18 | 62.1°F (2023) | -5.8°F (2007) | 0.52 in (2012) |
| December 19 | 57.9°F (2025) | 2.1°F (2020) | 0.68 in (2025) |
| December 20 | 55.9°F (2002) | 1.9°F (2004) | 1.25 in (2002) |
| December 21 | 62.1°F (2018) | 0.0°F (2004) | 1.28 in (2018) |
| December 22 | 57.9°F (2015) | 5.2°F (2024) | 0.56 in (2022) |
| December 23 | 57.9°F (2004) | -6.9°F (2008) | 2.20 in (2022) |
| December 24 | 70.0°F (2015) | 7.2°F (2022) | 0.62 in (2003) |
| December 25 | 66.0°F (2015) | 6.1°F (2000) | 2.01 in (2020) |
| December 26 | 57.0°F (2023) | 5.0°F (2000) | 1.07 in (2005) |
| December 27 | 57.0°F (2011) | -1.8°F (2017) | 1.03 in (2009) |
| December 28 | 61.0°F (2008) | 0.1°F (2017) | 0.53 in (2023) |
| December 29 | 55.9°F (2003) | 0.1°F (2017) | 1.01 in (2013) |
| December 30 | 64.0°F (2022) | 1.2°F (2017) | 0.70 in (2024) |
| December 31 | 57.9°F (2022) | 0.0°F (1998) | 0.46 in (2007) |