December weather in McKeesport, PA
The average temperature in McKeesport in December is 33.9°F (25.4°F–42.5°F). Average precipitation: 3.55 inches.
December is a winter month in McKeesport, and is cooler than the annual average of 51.7°F. Daily temperatures swing about 17.1°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 9h 8m. For travel, December is cold.
Avg High
42.5°F
Avg Low
25.4°F
Precipitation
3.55 in
Daylight
9h 8m
December records in McKeesport
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.9°F (2006) | 10.9°F (2010) | 1.98 in (2010) |
| December 2 | 64.9°F (1998) | 15.1°F (2000) | 2.00 in (1991) |
| December 3 | 64.9°F (1998) | 10.9°F (2002) | 0.60 in (1956) |
| December 4 | 69.1°F (2001) | 10.0°F (2002) | 1.33 in (1978) |
| December 5 | 73.9°F (2001) | 10.9°F (2007) | 0.62 in (2003) |
| December 6 | 73.0°F (1998) | 10.0°F (2007) | 1.50 in (2011) |
| December 7 | 71.1°F (2004) | 10.9°F (2005) | 0.88 in (1976) |
| December 8 | 62.1°F (1991) | 10.0°F (2005) | 1.95 in (1971) |
| December 9 | 61.0°F (2009) | 9.0°F (1995) | 1.46 in (1978) |
| December 10 | 57.0°F (2015) | 8.1°F (1995) | 1.40 in (1992) |
| December 11 | 69.1°F (2007) | 3.9°F (1988) | 1.35 in (1952) |
| December 12 | 62.1°F (2006) | 3.9°F (1988) | 1.34 in (1944) |
| December 13 | 69.1°F (2015) | 8.1°F (2005) | 0.95 in (2007) |
| December 14 | 64.9°F (2001) | 5.0°F (1988) | 1.12 in (1999) |
| December 15 | 68.0°F (2015) | 6.1°F (2016) | 0.79 in (1928) |
| December 16 | 60.1°F (2011) | 6.1°F (2016) | 0.83 in (1948) |
| December 17 | 62.1°F (2006) | 12.9°F (2010) | 1.61 in (2001) |
| December 18 | 60.1°F (2006) | 12.9°F (1991) | 1.00 in (1990) |
| December 19 | 62.1°F (2002) | 5.0°F (2004) | 1.37 in (2008) |
| December 20 | 61.0°F (1988) | 5.0°F (2004) | 1.20 in (1936) |
| December 21 | 64.9°F (1990) | 6.1°F (2008) | 1.15 in (1998) |
| December 22 | 68.0°F (2013) | 5.0°F (2000) | 0.92 in (1995) |
| December 23 | 63.0°F (2007) | 5.0°F (2004) | 0.61 in (2006) |
| December 24 | 64.0°F (2015) | 5.0°F (2004) | 1.11 in (2008) |
| December 25 | 64.0°F (2015) | 3.9°F (2000) | 0.94 in (1995) |
| December 26 | 66.9°F (2016) | 3.0°F (2000) | 1.42 in (1944) |
| December 27 | 71.1°F (2008) | 5.0°F (2017) | 1.04 in (1943) |
| December 28 | 68.0°F (2008) | 3.0°F (2017) | 1.50 in (2014) |
| December 29 | 66.0°F (1990) | 5.0°F (1993) | 0.84 in (2015) |
| December 30 | 68.0°F (1990) | 1.9°F (2017) | 2.15 in (1942) |
| December 31 | 61.0°F (1992) | -7.1°F (2017) | 0.50 in (1952) |