As of 23:59 CDT

La Grange, IL weather in December

69°

La Grange, Saturday, 8 August, 23:59

Clear. Feels like 69°. High 83°, low 68°.

Pressure30.03 inHg

Wind2.5 mph W

Humidity85%

Visibility6.2 mi

Dew point64°

See detailed hourly forecast

In December, La Grange, IL averages a high of 35.5° and a low of 23.6°. About 2.8 inches of precipitation fall over the month (10 wet days). The record high is 68.2° (2012) and the record low -23.4° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	38.8°	28.2°	40%	63.9° (1970)	11.3° (2025)
2	40.1°	28°	33%	67.8° (1982)	9° (1976)
3	39.4°	28.4°	33%	68.2° (2012)	6.1° (2006)
4	38.7°	27.3°	27%	64.4° (1998)	-2° (1991)
5	39°	26.2°	32%	66.4° (2001)	-2.4° (1991)
6	37°	25.2°	27%	61.7° (1998)	3.6° (2005)
7	35.4°	25°	27%	56.8° (1980)	-2.7° (1972)
8	36.3°	25.9°	28%	62.6° (1991)	1.6° (2006)
9	36.7°	24.3°	40%	53.4° (2023)	-3.8° (1995)
10	35.8°	23.9°	28%	58.3° (1971)	-6.7° (1978)
11	34.9°	23.5°	35%	58.5° (2021)	-11° (1972)
12	36.7°	23.5°	33%	60.4° (2015)	-4.4° (2000)
13	36.5°	23.5°	25%	62.1° (2015)	-8.3° (2000)
14	36.7°	25.2°	32%	62.8° (1975)	-8.5° (1985)
15	37.6°	25.2°	32%	65.1° (2021)	-5.1° (2016)
16	35.8°	24.3°	37%	63.3° (2021)	-2.4° (1989)
17	32.9°	22.1°	22%	55.2° (2006)	-7.4° (1972)
18	32.9°	20.8°	22%	54.1° (2002)	-8.1° (2016)
19	33.8°	22.1°	22%	52.9° (2002)	-13.9° (2016)
20	33.8°	22.1°	33%	57.7° (1988)	-11° (1963)
21	34°	21.9°	33%	58.3° (1967)	-14.1° (1989)
22	34.2°	21.6°	33%	49.3° (2006)	-13.2° (1983)
23	34.9°	22.3°	35%	59.9° (2015)	-17° (1983)
24	32.7°	20.3°	35%	58.8° (2023)	-23.4° (1983)
25	31.5°	19.8°	27%	60.4° (1982)	-17.3° (1983)
26	33.1°	19.9°	32%	60.8° (2019)	-11.9° (1983)
27	34.5°	22.3°	30%	61.2° (2008)	-2.9° (1977)
28	35.8°	23.2°	37%	62.6° (1984)	-4.4° (1961)
29	34.5°	22.8°	35%	62.1° (1984)	-8.1° (1983)
30	34°	20.8°	32%	57.6° (2002)	-10.8° (1983)
31	33.3°	21°	37%	58.3° (1965)	-14.3° (1963)