As of 22:46 CDT

Chicago, IL weather in December

73°

Chicago, Saturday, 8 August, 22:46

Clear. Feels like 73°. High 83°, low 69°.

Pressure30.00 inHg

Wind2 mph S

Humidity76%

Visibility6.2 mi

Dew point65°

See detailed hourly forecast

In December, Chicago, IL averages a high of 35.8° and a low of 25.1°. About 2.8 inches of precipitation fall over the month (10 wet days). The record high is 66.4° (2012) and the record low -21.1° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	39.4°	29.7°	40%	63.3° (1970)	13.8° (2024)
2	40.3°	29.7°	33%	66° (1982)	10.8° (1976)
3	39.7°	29.7°	33%	66.4° (2012)	10° (2006)
4	39°	28.9°	28%	63.5° (1998)	1.6° (1991)
5	39.4°	27.9°	32%	65.3° (2001)	1.6° (1991)
6	37.4°	26.8°	27%	60.6° (1998)	7.3° (1977)
7	35.8°	27°	27%	56.1° (1980)	4.5° (1972)
8	36.9°	27.7°	28%	61.2° (1991)	5.5° (2006)
9	37.2°	26.2°	40%	53.8° (2023)	-1.8° (1995)
10	36.3°	25.5°	28%	57.9° (1971)	-1.7° (1978)
11	35.2°	25.2°	35%	57.9° (2021)	-4° (1972)
12	37°	25.3°	33%	59° (2015)	-0.4° (2000)
13	36.9°	25.3°	25%	61° (2015)	-2.9° (2000)
14	37°	26.8°	32%	61.7° (1975)	-4.2° (1985)
15	37.9°	26.4°	32%	63.9° (2021)	-1.1° (2016)
16	36.1°	25.5°	35%	62.2° (2021)	-0.2° (1989)
17	33.3°	23.9°	22%	54° (2006)	-2.7° (1972)
18	33.3°	22.5°	22%	53.1° (2002)	-4.9° (1985)
19	34.2°	23.5°	23%	52° (2002)	-8° (2016)
20	34.2°	23.5°	33%	56.7° (1988)	-6.9° (1963)
21	34.2°	23.4°	33%	57.4° (1967)	-11.7° (1989)
22	34.5°	22.8°	32%	49.5° (2019)	-10.7° (1983)
23	35.1°	23.5°	35%	58.8° (2015)	-14.3° (1983)
24	33.1°	21.6°	35%	56.8° (2021)	-21.1° (1983)
25	31.8°	21°	27%	59.7° (1982)	-15.3° (1983)
26	33.1°	21.2°	33%	61° (2019)	-10.5° (1983)
27	34.7°	23.5°	30%	59° (2008)	-2° (2017)
28	35.8°	24.3°	37%	61.3° (1984)	-2.9° (1961)
29	34.7°	23.9°	35%	60.6° (1984)	-6.3° (1983)
30	34°	22.5°	33%	55.8° (2002)	-9.8° (1983)
31	33.3°	22.1°	37%	57.2° (1965)	-10.5° (1963)