December weather in Connellsville, PA
The average temperature in Connellsville in December is 34.6°F (26.3°F–42.8°F). Average precipitation: 3.34 inches. Average snowfall is 3.7 inches.
December is a winter month in Connellsville, and is cooler than the annual average of 51.9°F. Daily temperatures swing about 16.5°F between overnight low and afternoon high. Expect about 17 days with precipitation. Daylight averages about 9h 10m. For travel, December is cold.
Avg High
42.8°F
Avg Low
26.3°F
Precipitation
3.34 in
Snow
3.7 in
December records in Connellsville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.0°F (2014) | 16.0°F (2024) | 1.74 in (2010) |
| December 2 | 55.9°F (2014) | 19.9°F (2024) | 0.76 in (2015) |
| December 3 | 66.9°F (2018) | 21.0°F (2024) | 1.94 in (1991) |
| December 4 | 59.0°F (2023) | 21.0°F (2024) | 1.07 in (1978) |
| December 5 | 64.9°F (2011) | 7.0°F (2025) | 1.20 in (1993) |
| December 6 | 70.0°F (2013) | 10.0°F (2025) | 0.96 in (2014) |
| December 7 | 60.1°F (2021) | 17.1°F (2024) | 0.91 in (1976) |
| December 8 | 64.9°F (2022) | 17.1°F (2018) | 1.24 in (2012) |
| December 9 | 62.1°F (2023) | 5.0°F (2025) | 3.20 in (2012) |
| December 10 | 64.0°F (2023) | 14.0°F (2018) | 0.84 in (2007) |
| December 11 | 62.1°F (2021) | 12.9°F (2018) | 1.40 in (1992) |
| December 12 | 66.9°F (2021) | 16.0°F (2025) | 1.30 in (2008) |
| December 13 | 70.0°F (2015) | 10.9°F (2025) | 0.50 in (2007) |
| December 14 | 68.0°F (2015) | 10.0°F (2025) | 1.25 in (2007) |
| December 15 | 69.1°F (2015) | -4.0°F (2025) | 0.63 in (2018) |
| December 16 | 61.0°F (2011) | -4.0°F (2025) | 0.91 in (1990) |
| December 17 | 68.0°F (2021) | -6.0°F (2025) | 0.90 in (2020) |
| December 18 | 68.0°F (2016) | 19.9°F (2025) | 1.35 in (2012) |
| December 19 | 63.0°F (2021) | 12.0°F (2019) | 1.31 in (1990) |
| December 20 | 55.9°F (2013) | 8.1°F (2025) | 1.45 in (2008) |
| December 21 | 55.9°F (2025) | 8.1°F (2025) | 0.67 in (2012) |
| December 22 | 72.0°F (2013) | 14.0°F (2024) | 0.83 in (1998) |
| December 23 | 64.0°F (2013) | 8.1°F (2025) | 0.49 in (2006) |
| December 24 | 66.0°F (2015) | -2.0°F (2022) | 0.78 in (2017) |
| December 25 | 64.9°F (2015) | -0.9°F (2022) | 0.93 in (2008) |
| December 26 | 59.0°F (2023) | -0.9°F (2022) | 0.56 in (1987) |
| December 27 | 64.9°F (2016) | 9.0°F (2022) | 0.96 in (2012) |
| December 28 | 71.1°F (2015) | 0.0°F (2017) | 0.92 in (2023) |
| December 29 | 64.0°F (2025) | 1.0°F (2017) | 0.54 in (1991) |
| December 30 | 62.1°F (2024) | 10.9°F (2017) | 0.79 in (2013) |
| December 31 | 68.0°F (2022) | 8.1°F (2017) | 1.30 in (1990) |