As of 01:43 CDT

Naperville, IL weather in December

65°

Naperville, Sunday, 9 August, 01:43

Clear. Feels like 65°. High 85°, low 63°.

Pressure30.00 inHg

Wind3.7 mph SW

Humidity85%

Visibility6.2 mi

Dew point60°

See detailed hourly forecast

In December, Naperville, IL averages a high of 35.3° and a low of 22.3°. About 2.5 inches of precipitation fall over the month (9 wet days). The record high is 68.7° (2012) and the record low -24° (1983). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	38.7°	27°	38%	64.2° (1970)	11.3° (1985)
2	39.9°	26.8°	30%	68.5° (1982)	6.6° (2006)
3	39°	27.1°	28%	68.7° (2012)	3.2° (2006)
4	38.5°	26.1°	25%	65.1° (1998)	-4° (1991)
5	38.8°	25°	27%	66.6° (2001)	-4.5° (1991)
6	36.9°	24.1°	23%	62.1° (1998)	0.1° (1964)
7	35.2°	23.7°	27%	56.7° (1980)	-7.6° (1972)
8	36°	24.3°	27%	62.8° (1991)	-3.6° (2006)
9	36.5°	23°	38%	52.7° (2023)	-5.1° (1977)
10	35.4°	22.6°	25%	57.9° (2015)	-11° (1978)
11	34.5°	21.9°	28%	58.8° (2021)	-16.6° (1972)
12	36.3°	22.3°	27%	61.9° (2015)	-7.2° (2000)
13	36.3°	22.3°	28%	62.1° (2015)	-13.4° (2000)
14	36.5°	23.9°	28%	62.4° (1975)	-11.4° (1985)
15	37.4°	24.1°	37%	65.5° (2021)	-6.7° (2016)
16	35.4°	23°	38%	63.1° (2021)	-5.3° (1989)
17	32.5°	20.8°	20%	55.2° (2006)	-13.9° (1972)
18	32.7°	19.8°	18%	54.3° (2002)	-11.2° (2016)
19	33.6°	20.8°	20%	52.7° (2002)	-20.2° (2016)
20	33.6°	21°	32%	57.6° (1988)	-13.9° (1963)
21	33.6°	20.8°	32%	58.5° (1967)	-15.7° (1989)
22	34°	20.3°	30%	49.8° (2006)	-18.6° (1989)
23	34.5°	21°	33%	59.7° (2015)	-19.7° (1989)
24	32.5°	19.2°	30%	58.3° (2023)	-24° (1983)
25	31.3°	18.5°	25%	59.9° (1982)	-17.7° (1983)
26	32.9°	18.9°	25%	60.4° (2019)	-12.3° (1983)
27	34.3°	21.4°	25%	61.5° (2008)	-4.7° (2017)
28	35.8°	22.1°	35%	63° (1984)	-5.3° (1977)
29	34.2°	21.6°	32%	62.6° (1984)	-9.9° (1983)
30	33.8°	19.4°	30%	57.4° (2002)	-14.1° (1963)
31	32.9°	19.8°	30%	58.3° (1965)	-12.5° (1963)