December weather in Aliquippa, PA
The average temperature in Aliquippa in December is 33.7°F (26.9°F–40.4°F). Average precipitation: 2.79 inches. Average snowfall is 2.5 inches.
December is a winter month in Aliquippa, and is cooler than the annual average of 51.7°F. Daily temperatures swing about 13.5°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 9h 6m. For travel, December is cold.
Avg High
40.4°F
Avg Low
26.9°F
Precipitation
2.79 in
Snow
2.5 in
December records in Aliquippa
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (2014) | 21.0°F (2024) | 3.35 in (2010) |
| December 2 | 57.9°F (2015) | 21.0°F (2024) | 1.82 in (1991) |
| December 3 | 63.0°F (2012) | 25.0°F (2024) | 1.07 in (1986) |
| December 4 | 59.0°F (2012) | 25.0°F (2024) | 1.22 in (1978) |
| December 5 | 64.0°F (2012) | 16.0°F (2025) | 0.76 in (2012) |
| December 6 | 57.0°F (2011) | 16.0°F (2025) | 1.05 in (1977) |
| December 7 | 53.1°F (2021) | 24.1°F (2024) | 0.85 in (1971) |
| December 8 | 54.0°F (2022) | 24.1°F (2017) | 0.68 in (1969) |
| December 9 | 59.0°F (2023) | 14.0°F (2025) | 1.58 in (1978) |
| December 10 | 55.9°F (2011) | 14.0°F (2025) | 0.85 in (1992) |
| December 11 | 57.9°F (2021) | 21.0°F (2018) | 0.98 in (1969) |
| December 12 | 62.1°F (2015) | 15.1°F (2013) | 1.15 in (1964) |
| December 13 | 70.0°F (2015) | 14.0°F (2017) | 0.91 in (1949) |
| December 14 | 64.9°F (2015) | 17.1°F (2017) | 1.01 in (1999) |
| December 15 | 54.0°F (2011) | 10.9°F (2025) | 0.69 in (1951) |
| December 16 | 57.0°F (2011) | 12.0°F (2016) | 1.21 in (2018) |
| December 17 | 64.0°F (2021) | 14.0°F (2025) | 1.30 in (2000) |
| December 18 | 53.1°F (2012) | 26.1°F (2017) | 1.44 in (2016) |
| December 19 | 55.0°F (2025) | 15.1°F (2019) | 1.11 in (1990) |
| December 20 | 52.0°F (2017) | 12.9°F (2016) | 0.58 in (2002) |
| December 21 | 55.0°F (2013) | 12.9°F (2016) | 1.05 in (1998) |
| December 22 | 64.0°F (2013) | 21.0°F (2024) | 0.54 in (1983) |
| December 23 | 63.0°F (2015) | 16.0°F (2024) | 0.62 in (1981) |
| December 24 | 64.0°F (2015) | -2.0°F (2022) | 0.55 in (2007) |
| December 25 | 61.0°F (2014) | 1.9°F (2022) | 1.25 in (1979) |
| December 26 | 57.9°F (2023) | 10.0°F (2020) | 0.97 in (1957) |
| December 27 | 63.0°F (2016) | 9.0°F (2022) | 0.72 in (2008) |
| December 28 | 64.0°F (2015) | 5.0°F (2017) | 0.96 in (1968) |
| December 29 | 63.0°F (2025) | 5.0°F (2017) | 0.70 in (1983) |
| December 30 | 57.9°F (2024) | 14.0°F (2017) | 0.75 in (1954) |
| December 31 | 61.0°F (2022) | 6.1°F (2017) | 2.55 in (1990) |