December weather in New Kensington, PA
The average temperature in New Kensington in December is 33.4°F (25.7°F–41.0°F). Average precipitation: 3.26 inches.
December is a winter month in New Kensington, and is cooler than the annual average of 51.5°F. Daily temperatures swing about 15.3°F between overnight low and afternoon high. Expect about 15 days with precipitation. Daylight averages about 9h 7m. For travel, December is cold.
Avg High
41.0°F
Avg Low
25.7°F
Precipitation
3.26 in
Daylight
9h 7m
December records in New Kensington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 63.0°F (2014) | 19.9°F (2023) | 3.09 in (2010) |
| December 2 | 55.9°F (2012) | 19.9°F (2024) | 1.70 in (1974) |
| December 3 | 61.0°F (2023) | 26.1°F (2017) | 1.81 in (1991) |
| December 4 | 57.9°F (2012) | 23.0°F (2024) | 1.20 in (1978) |
| December 5 | 64.0°F (2012) | 10.9°F (2025) | 1.10 in (1993) |
| December 6 | 57.9°F (2013) | 10.9°F (2025) | 1.10 in (2014) |
| December 7 | 55.9°F (2021) | 21.9°F (2019) | 1.14 in (1957) |
| December 8 | 60.1°F (2022) | 19.0°F (2025) | 0.90 in (1969) |
| December 9 | 61.0°F (2023) | 15.1°F (2025) | 1.43 in (1978) |
| December 10 | 57.9°F (2023) | 15.1°F (2025) | 1.28 in (2019) |
| December 11 | 60.1°F (2021) | 21.0°F (2016) | 1.60 in (1992) |
| December 12 | 62.1°F (2020) | 17.1°F (2013) | 1.48 in (1944) |
| December 13 | 68.0°F (2015) | 15.1°F (2017) | 1.00 in (1949) |
| December 14 | 68.0°F (2015) | 15.1°F (2017) | 0.96 in (1927) |
| December 15 | 64.0°F (2015) | 10.9°F (2025) | 1.05 in (1999) |
| December 16 | 57.0°F (2011) | 6.1°F (2025) | 1.27 in (2018) |
| December 17 | 63.0°F (2021) | 6.1°F (2025) | 0.81 in (2000) |
| December 18 | 57.0°F (2023) | 23.0°F (2013) | 1.77 in (2001) |
| December 19 | 52.0°F (2025) | 14.0°F (2019) | 1.16 in (1990) |
| December 20 | 50.0°F (2017) | 12.9°F (2016) | 1.22 in (1936) |
| December 21 | 55.0°F (2013) | 12.9°F (2016) | 1.10 in (2012) |
| December 22 | 66.0°F (2013) | 19.0°F (2022) | 1.18 in (1998) |
| December 23 | 64.0°F (2013) | 19.0°F (2025) | 0.55 in (1981) |
| December 24 | 64.0°F (2015) | 15.1°F (2024) | 0.56 in (2015) |
| December 25 | 64.9°F (2015) | 1.0°F (2022) | 0.90 in (1979) |
| December 26 | 57.9°F (2023) | 1.0°F (2022) | 0.97 in (2021) |
| December 27 | 62.1°F (2016) | 8.1°F (2017) | 0.88 in (1943) |
| December 28 | 64.9°F (2015) | 3.9°F (2017) | 0.95 in (1968) |
| December 29 | 60.1°F (2024) | 3.9°F (2017) | 0.72 in (2021) |
| December 30 | 64.0°F (2024) | 9.0°F (2017) | 1.60 in (1942) |
| December 31 | 61.0°F (2022) | 1.0°F (2017) | 2.51 in (1990) |