As of 22:13 EDT

Upper Darby, PA weather in December

56°

Upper Darby, Wednesday, 7 October, 22:13

Clear. Feels like 56°. High 69°, low 41°.

Pressure29.91 inHg

Wind2 mph SW

Humidity85%

Visibility6.2 mi

Dew point51°

See detailed hourly forecast

In December, Upper Darby, PA averages a high of 43.6° and a low of 30.2°. About 3.9 inches of precipitation fall over the month (10 wet days). The record high is 73.2° (1998) and the record low -6.5° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	48°	34.3°	30%	70.2° (2006)	13.3° (1967)
2	47.1°	33.3°	30%	62.4° (1970)	6.8° (1967)
3	47.7°	33.3°	25%	65.7° (1998)	15.4° (1976)
4	46.9°	32.7°	25%	70.5° (1998)	14.4° (1966)
5	45.3°	32.5°	32%	68.2° (1982)	20.1° (1966)
6	46.8°	32.9°	37%	69.4° (1998)	19° (2002)
7	45°	31.8°	22%	73.2° (1998)	4.6° (2002)
8	43.9°	31.8°	27%	64.2° (1978)	14.2° (2005)
9	44.4°	30.7°	38%	65.5° (1991)	12.4° (1989)
10	45.1°	32.2°	35%	66.9° (1966)	14° (1968)
11	44.8°	31.5°	43%	66.2° (2021)	13.8° (1968)
12	44.2°	30.9°	27%	66.6° (2015)	9° (1988)
13	44.1°	30.6°	28%	69.4° (2015)	6.1° (1982)
14	43.3°	30.7°	38%	66.7° (2015)	3.6° (2005)
15	44.2°	30.7°	28%	64.2° (2015)	10.6° (1989)
16	44.1°	30.9°	37%	63.5° (1971)	13.8° (2025)
17	43.5°	30.7°	30%	63° (1984)	11.3° (1989)
18	41.9°	28.8°	20%	64.8° (2006)	4.8° (1960)
19	41°	27.3°	23%	61.3° (1990)	2.5° (1973)
20	40.6°	27.1°	32%	56.8° (2002)	4.8° (1963)
21	42.1°	28.9°	28%	62.2° (2018)	6.8° (1981)
22	42.3°	28.8°	33%	68.2° (2013)	4.3° (1989)
23	43.5°	28.9°	37%	63.7° (2015)	-3.5° (1989)
24	43°	28.8°	42%	68.2° (2015)	-3.8° (1960)
25	41.9°	27.9°	37%	66° (2015)	1° (1983)
26	39.6°	27.7°	27%	60.8° (1964)	3° (1983)
27	39.6°	27.7°	25%	63.5° (2015)	8.1° (1989)
28	43°	28.8°	23%	64.2° (2008)	4.3° (1960)
29	42.6°	29.3°	32%	68° (1984)	4.6° (1961)
30	41°	28.2°	27%	60.1° (1990)	0.3° (1961)
31	41.9°	27.9°	40%	61° (1990)	-6.5° (1963)