December weather in Malta, MT
The average temperature in Malta in December is 20.8°F (10.2°F–31.3°F). Average precipitation: 0.46 inches.
December is a winter month in Malta, and is cooler than the annual average of 44.9°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 8h 8m. For travel, December is cold.
Avg High
31.3°F
Avg Low
10.2°F
Precipitation
0.46 in
Daylight
8h 8m
December records in Malta
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.0°F (2021) | -17.0°F (2025) | 0.50 in (2018) |
| December 2 | 55.9°F (2021) | -7.1°F (2005) | 0.15 in (2022) |
| December 3 | 55.0°F (2021) | -13.0°F (2006) | 0.34 in (2018) |
| December 4 | 55.0°F (2007) | -11.9°F (2005) | 0.30 in (1998) |
| December 5 | 55.9°F (2012) | -18.0°F (2005) | 0.10 in (1998) |
| December 6 | 54.0°F (2023) | -23.1°F (2013) | 0.02 in (2007) |
| December 7 | 55.0°F (2015) | -36.0°F (2013) | 0.02 in (2022) |
| December 8 | 54.0°F (2015) | -36.0°F (2013) | 0.34 in (2019) |
| December 9 | 57.9°F (2001) | -29.0°F (2009) | 0.02 in (2009) |
| December 10 | 59.0°F (2015) | -41.1°F (2009) | 0.55 in (2010) |
| December 11 | 61.0°F (2004) | -27.0°F (2000) | 0.60 in (2025) |
| December 12 | 57.9°F (2017) | -9.9°F (2000) | 0.07 in (2009) |
| December 13 | 57.0°F (2017) | -15.0°F (2009) | 0.55 in (2008) |
| December 14 | 55.0°F (2004) | -22.0°F (2009) | 0.05 in (2009) |
| December 15 | 55.0°F (1997) | -29.9°F (2009) | 0.10 in (2021) |
| December 16 | 53.1°F (2025) | -27.0°F (2008) | 0.06 in (2008) |
| December 17 | 55.0°F (2001) | -27.9°F (2016) | 0.10 in (2022) |
| December 18 | 52.0°F (2011) | -17.0°F (2016) | 0.08 in (2022) |
| December 19 | 59.0°F (2004) | -11.9°F (2005) | 0.25 in (2013) |
| December 20 | 61.0°F (2004) | -22.0°F (2000) | 0.60 in (2017) |
| December 21 | 52.0°F (2023) | -29.9°F (2022) | 0.40 in (2022) |
| December 22 | 52.0°F (2023) | -23.1°F (2022) | 0.02 in (2015) |
| December 23 | 48.0°F (1999) | -51.0°F (2022) | 3.00 in (2009) |
| December 24 | 50.0°F (1999) | -18.9°F (1996) | 0.26 in (2022) |
| December 25 | 48.0°F (2020) | -33.0°F (1996) | 0.20 in (1998) |
| December 26 | 45.0°F (1999) | -27.9°F (1996) | 0.12 in (2003) |
| December 27 | 50.0°F (1999) | -27.9°F (1996) | 0.67 in (2003) |
| December 28 | 55.9°F (1999) | -29.0°F (2021) | 0.50 in (1998) |
| December 29 | 51.1°F (1999) | -26.0°F (1996) | 0.25 in (2010) |
| December 30 | 46.0°F (2011) | -20.0°F (2021) | 0.26 in (2008) |
| December 31 | 48.9°F (2011) | -33.0°F (2017) | 0.26 in (2013) |