December weather in Lock Haven, PA
The average temperature in Lock Haven in December is 31.8°F (24.1°F–39.5°F). Average precipitation: 3.02 inches. Average snowfall is 5.9 inches.
December is a winter month in Lock Haven, and is cooler than the annual average of 50.3°F. Daily temperatures swing about 15.4°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 3m. For travel, December is cold.
Avg High
39.5°F
Avg Low
24.1°F
Precipitation
3.02 in
Snow
5.9 in
December records in Lock Haven
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 66.9°F (2001) | 12.9°F (2013) | 1.49 in (2010) |
| December 2 | 71.1°F (2006) | 10.0°F (2002) | 1.80 in (1996) |
| December 3 | 68.0°F (1998) | 8.1°F (2002) | 1.65 in (1991) |
| December 4 | 75.9°F (2001) | 8.1°F (2002) | 1.56 in (1990) |
| December 5 | 69.1°F (1998) | 10.9°F (2000) | 1.13 in (1994) |
| December 6 | 71.1°F (2001) | 5.0°F (2002) | 1.06 in (1973) |
| December 7 | 72.0°F (1998) | 5.0°F (2002) | 1.07 in (1976) |
| December 8 | 68.0°F (1998) | 7.0°F (2002) | 1.29 in (2011) |
| December 9 | 64.0°F (1980) | 3.9°F (2002) | 1.02 in (2009) |
| December 10 | 57.9°F (1991) | 5.0°F (2025) | 0.86 in (1975) |
| December 11 | 59.0°F (1990) | -5.1°F (1988) | 1.54 in (2003) |
| December 12 | 66.9°F (1979) | -2.9°F (1988) | 1.11 in (2008) |
| December 13 | 63.0°F (1979) | 3.0°F (2005) | 1.47 in (1983) |
| December 14 | 60.1°F (2015) | -2.0°F (2005) | 1.02 in (1983) |
| December 15 | 66.0°F (2015) | -2.0°F (2005) | 1.20 in (1999) |
| December 16 | 59.0°F (2006) | 7.0°F (2016) | 1.40 in (2022) |
| December 17 | 66.9°F (1984) | 8.1°F (1989) | 1.35 in (2020) |
| December 18 | 55.0°F (1984) | 1.9°F (1989) | 1.23 in (2023) |
| December 19 | 57.0°F (2025) | 0.0°F (1989) | 0.58 in (1990) |
| December 20 | 62.1°F (1988) | -4.0°F (2004) | 0.71 in (2008) |
| December 21 | 57.0°F (1988) | -4.0°F (2004) | 1.30 in (1973) |
| December 22 | 57.9°F (2018) | -2.9°F (1989) | 1.21 in (1972) |
| December 23 | 63.0°F (1990) | -6.0°F (1989) | 1.25 in (2022) |
| December 24 | 63.0°F (1990) | -9.0°F (1989) | 0.80 in (2004) |
| December 25 | 64.9°F (2015) | -9.0°F (1989) | 2.06 in (2020) |
| December 26 | 59.0°F (1982) | -7.1°F (1980) | 1.02 in (1975) |
| December 27 | 55.9°F (1982) | -6.0°F (1993) | 1.17 in (2012) |
| December 28 | 63.0°F (1984) | -2.0°F (1993) | 0.80 in (2023) |
| December 29 | 66.9°F (1984) | -2.0°F (1993) | 1.42 in (1948) |
| December 30 | 62.1°F (2024) | 1.9°F (1993) | 1.05 in (2013) |
| December 31 | 54.0°F (2022) | 0.0°F (2017) | 0.61 in (1992) |