As of 15:34 EDT

McKees Rocks, PA weather in December

74°

McKees Rocks, Wednesday, 7 October, 15:34

Clear. Feels like 73°. High 74°, low 43°.

Pressure29.83 inHg

Wind13.8 mph SW

Humidity43%

Visibility6.2 mi

Dew point50°

See detailed hourly forecast

In December, McKees Rocks, PA averages a high of 40.4° and a low of 27.6°. About 3.6 inches of precipitation fall over the month (13 wet days). The record high is 71.8° (1982) and the record low -16.2° (1989). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	44.6°	31.8°	47%	63.3° (1970)	6.6° (1976)
2	43.5°	31.1°	37%	69.3° (1982)	8.6° (1976)
3	43.5°	30.2°	40%	71.8° (1982)	2.3° (1976)
4	43.2°	30°	37%	66° (1982)	-0.8° (1966)
5	42.1°	30.6°	52%	69.3° (1982)	7.7° (1974)
6	41.7°	29.1°	50%	68° (1998)	7.3° (1974)
7	39.9°	28.9°	35%	65.1° (1998)	12° (1984)
8	40.8°	28.9°	28%	62.8° (1966)	8.1° (2003)
9	42.3°	28.6°	38%	66.2° (1966)	2.5° (1977)
10	41.2°	28.8°	47%	68.7° (1971)	1.4° (1977)
11	40.5°	28.2°	40%	62.8° (2021)	4.3° (1977)
12	41.4°	28.4°	35%	65.7° (2015)	-6.2° (1962)
13	40.1°	28.6°	48%	64.2° (2015)	-7.8° (1962)
14	41.4°	28.2°	43%	62.8° (2015)	4.1° (1963)
15	41.2°	28.6°	37%	69.1° (1971)	1.4° (1962)
16	40.5°	27.7°	40%	64° (1984)	-0.2° (2016)
17	39.6°	27.7°	38%	62.8° (1984)	-4.9° (1989)
18	37.8°	26.1°	28%	57.4° (1967)	-10.1° (1989)
19	38.3°	24.6°	35%	55° (2002)	-6.5° (1989)
20	38.1°	25°	38%	54° (1987)	-2.4° (1963)
21	39.6°	25.5°	45%	64.9° (1967)	-3.6° (1989)
22	39.4°	26.2°	40%	63.5° (2013)	-16.2° (1989)
23	41.5°	26.8°	42%	63.7° (2015)	-10.1° (1989)
24	39.2°	25.9°	50%	62.6° (2015)	-7.8° (1989)
25	36.7°	24.6°	42%	64.9° (1982)	-8.7° (1983)
26	36.3°	24.3°	38%	60.1° (2016)	-4.2° (1983)
27	38.5°	24.6°	33%	62.2° (2015)	-5.8° (1989)
28	40.6°	26.4°	45%	65.3° (1982)	-0.8° (1960)
29	40.6°	26.6°	40%	64.8° (2024)	-4.2° (1961)
30	39.2°	25.9°	38%	62.4° (1984)	-2.4° (1976)
31	39.9°	26.8°	55%	59.9° (1972)	-7.1° (1963)