December weather in Baltimore, MD
The average temperature in Baltimore in December is 41.3°F (34.6°F–48.0°F). Average precipitation: 3.66 inches.
December is a winter month in Baltimore, and is cooler than the annual average of 59.1°F. Daily temperatures swing about 13.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 15m. For travel, December is cool.
Avg High
48.0°F
Avg Low
34.6°F
Precipitation
3.66 in
Daylight
9h 15m
December records in Baltimore
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 78.1°F (2006) | 27.0°F (1999) | 0.83 in (2015) |
| December 2 | 60.1°F (2011) | 28.0°F (2002) | 0.84 in (2025) |
| December 3 | 69.1°F (2012) | 23.0°F (2002) | 0.53 in (2009) |
| December 4 | 68.0°F (2012) | 21.9°F (2002) | 0.27 in (2005) |
| December 5 | 69.1°F (2001) | 25.0°F (2002) | 0.84 in (2003) |
| December 6 | 73.0°F (2001) | 23.0°F (2007) | 0.74 in (2013) |
| December 7 | 64.0°F (2011) | 19.9°F (2002) | 2.38 in (2011) |
| December 8 | 64.0°F (2024) | 21.9°F (2008) | 0.61 in (2013) |
| December 9 | 55.9°F (2009) | 21.0°F (2025) | 1.53 in (2009) |
| December 10 | 66.0°F (2008) | 25.0°F (2002) | 1.38 in (2023) |
| December 11 | 66.0°F (2006) | 24.1°F (2009) | 1.75 in (2002) |
| December 12 | 64.9°F (2015) | 25.2°F (2017) | 0.94 in (2010) |
| December 13 | 68.0°F (2015) | 21.9°F (2005) | 0.71 in (2009) |
| December 14 | 66.9°F (2015) | 19.0°F (2005) | 1.26 in (1999) |
| December 15 | 66.9°F (2008) | 18.1°F (2016) | 1.97 in (2022) |
| December 16 | 63.0°F (2011) | 17.2°F (2016) | 0.92 in (2007) |
| December 17 | 64.0°F (2024) | 23.0°F (2010) | 1.92 in (2023) |
| December 18 | 75.9°F (2006) | 26.1°F (2000) | 0.79 in (2023) |
| December 19 | 61.0°F (2017) | 19.9°F (2004) | 0.98 in (2009) |
| December 20 | 59.0°F (2013) | 10.9°F (2004) | 0.76 in (2018) |
| December 21 | 72.0°F (2013) | 21.0°F (2004) | 0.74 in (2018) |
| December 22 | 72.0°F (2013) | 15.1°F (2000) | 1.20 in (2022) |
| December 23 | 64.9°F (2015) | 10.2°F (2022) | 1.73 in (2015) |
| December 24 | 73.0°F (2015) | 8.2°F (2022) | 0.87 in (2014) |
| December 25 | 66.9°F (2015) | 19.0°F (2000) | 1.96 in (2015) |
| December 26 | 62.1°F (2015) | 17.1°F (2000) | 0.96 in (2009) |
| December 27 | 70.0°F (2015) | 20.1°F (2017) | 1.72 in (2023) |
| December 28 | 69.1°F (2008) | 17.2°F (2017) | 1.07 in (2018) |
| December 29 | 66.0°F (2024) | 19.2°F (2017) | 1.04 in (2013) |
| December 30 | 62.1°F (2024) | 22.1°F (2017) | 0.23 in (2019) |
| December 31 | 62.1°F (2011) | 17.2°F (2017) | 0.63 in (2018) |