December weather in Coatesville, PA
The average temperature in Coatesville in December is 35.0°F (26.9°F–43.1°F). Average precipitation: 4.79 inches. Average snowfall is 4.4 inches.
December is a winter month in Coatesville, and is cooler than the annual average of 52.8°F. Daily temperatures swing about 16.2°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 10m. For travel, December is cold.
Avg High
43.1°F
Avg Low
26.9°F
Precipitation
4.79 in
Snow
4.4 in
December records in Coatesville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 71.1°F (2006) | 19.9°F (1993) | 1.80 in (1996) |
| December 2 | 63.0°F (1998) | 19.0°F (1989) | 1.13 in (1986) |
| December 3 | 69.1°F (1998) | 14.0°F (2000) | 1.03 in (1990) |
| December 4 | 71.1°F (1998) | 15.1°F (1989) | 1.07 in (1983) |
| December 5 | 75.0°F (2001) | 18.0°F (1991) | 3.27 in (1993) |
| December 6 | 73.0°F (1998) | 9.0°F (2002) | 0.96 in (1996) |
| December 7 | 75.0°F (1998) | 6.1°F (2002) | 0.66 in (1996) |
| December 8 | 57.0°F (2004) | 15.1°F (2003) | 0.58 in (2001) |
| December 9 | 62.1°F (1991) | 6.1°F (1989) | 0.83 in (1991) |
| December 10 | 55.0°F (2006) | 8.1°F (1989) | 1.32 in (1992) |
| December 11 | 57.0°F (1985) | 7.0°F (1995) | 1.95 in (2002) |
| December 12 | 60.1°F (1983) | 1.9°F (1988) | 1.98 in (1983) |
| December 13 | 60.1°F (1984) | 1.9°F (1988) | 2.78 in (1996) |
| December 14 | 62.1°F (2001) | 3.0°F (2005) | 1.17 in (2000) |
| December 15 | 55.0°F (2001) | 7.0°F (2005) | 0.84 in (1990) |
| December 16 | 57.0°F (1997) | 10.9°F (1989) | 1.30 in (2007) |
| December 17 | 62.1°F (2000) | 9.0°F (1989) | 2.99 in (2000) |
| December 18 | 68.0°F (2006) | 5.0°F (1989) | 1.23 in (1986) |
| December 19 | 52.0°F (2001) | 3.9°F (1989) | 0.96 in (1995) |
| December 20 | 60.1°F (2002) | 5.0°F (2004) | 1.19 in (2002) |
| December 21 | 55.9°F (1990) | 1.9°F (1989) | 1.03 in (1993) |
| December 22 | 60.1°F (1998) | 1.0°F (1989) | 1.63 in (1983) |
| December 23 | 63.0°F (1990) | 3.0°F (1989) | 1.37 in (2004) |
| December 24 | 61.0°F (1990) | -0.9°F (1983) | 1.63 in (1986) |
| December 25 | 54.0°F (1987) | -2.9°F (1983) | 1.93 in (2002) |
| December 26 | 54.0°F (2006) | 0.0°F (1983) | 0.48 in (2007) |
| December 27 | 52.0°F (1994) | 5.0°F (1989) | 0.77 in (1990) |
| December 28 | 59.0°F (1984) | 12.9°F (1989) | 0.99 in (1983) |
| December 29 | 73.0°F (1984) | 10.0°F (2000) | 0.57 in (1991) |
| December 30 | 60.1°F (1984) | 7.0°F (1987) | 0.33 in (2007) |
| December 31 | 63.0°F (1992) | 6.1°F (1987) | 0.88 in (1989) |