As of 02:40 EDT

Philadelphia, PA weather in December

75°

Philadelphia, Sunday, 9 August, 02:40

Clear. Feels like 76°. High 88°, low 74°.

Pressure29.97 inHg

Wind1 mph W

Humidity90%

Visibility6.2 mi

Dew point72°

See detailed hourly forecast

In December, Philadelphia, PA averages a high of 43.9° and a low of 30.7°. About 3.9 inches of precipitation fall over the month (10 wet days). The record high is 73.9° (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	48.4°	34.9°	28%	70.2° (2006)	13.5° (1967)
2	47.5°	33.8°	30%	62.8° (1970)	7.5° (1967)
3	48°	33.8°	27%	66.2° (1998)	15.6° (1976)
4	47.1°	33.4°	25%	70.9° (1998)	14.9° (1966)
5	45.7°	33.1°	30%	68.9° (1982)	21.4° (1966)
6	47.1°	33.4°	37%	69.8° (1998)	18.3° (2002)
7	45.3°	32.4°	22%	73.9° (1998)	4.5° (2002)
8	44.2°	32.2°	27%	64.8° (1978)	14.9° (2005)
9	44.8°	31.1°	38%	66° (1966)	11.1° (1989)
10	45.5°	32.5°	35%	67.3° (1966)	13.3° (1989)
11	45.1°	32°	43%	65.8° (2021)	15.1° (1968)
12	44.4°	31.3°	27%	67.3° (2015)	9° (1988)
13	44.6°	31.1°	28%	70.3° (2015)	6.3° (1982)
14	43.7°	31.1°	38%	67.1° (2015)	3.7° (2005)
15	44.6°	31.3°	30%	64.9° (2015)	7.9° (1960)
16	44.4°	31.3°	37%	63.5° (1971)	12.4° (2025)
17	43.7°	30.9°	32%	63.3° (1984)	12.9° (1989)
18	42.3°	29.3°	20%	65.3° (2006)	4.6° (1960)
19	41.2°	27.9°	23%	62.2° (1990)	1.8° (1973)
20	41°	27.7°	32%	57.4° (2002)	4.3° (1963)
21	42.4°	29.5°	28%	63.1° (2013)	7.2° (1981)
22	42.6°	29.5°	33%	68.9° (2013)	4.8° (1989)
23	43.9°	29.5°	38%	64.4° (2015)	-3.1° (1989)
24	43.3°	29.3°	45%	68.9° (2015)	-3.5° (1960)
25	42.3°	28.2°	37%	66.6° (2015)	1° (1989)
26	39.9°	28°	27%	61.3° (1964)	3.7° (1983)
27	39.7°	27.9°	27%	63.5° (2015)	3.2° (1989)
28	43.3°	28.9°	25%	64.8° (2008)	5.5° (1960)
29	43°	29.7°	30%	68.5° (1984)	4.8° (1961)
30	41.2°	28.8°	27%	60.8° (1990)	-0.9° (1961)
31	42.1°	28.2°	40%	64.8° (1992)	-6.5° (1963)