Naperville, Illinois Weather Forecast

Local

Naperville, IL, US

41.78586, -88.14729

Normals for January

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	16 -9	33 0	25 -4	0.08 undefined	0.08 undefined	40.5	0
2	16 -9	33 0	24 -4	0.16 undefined	0.16 undefined	40.7	0
3	16 -9	32 0	24 -4	0.24 undefined	0.24 undefined	40.9	0
4	16 -9	32 0	24 -4	0.32 undefined	0.32 undefined	41	0
5	16 -9	32 0	24 -5	0.4 undefined	0.4 undefined	41.2	0
6	15 -9	32 0	24 -5	0.49 undefined	0.49 undefined	41.3	0
7	15 -9	32 0	24 -5	0.57 undefined	0.57 undefined	41.5	0
8	15 -9	32 0	23 -5	0.65 undefined	0.65 undefined	41.6	0
9	15 -9	32 0	23 -5	0.72 undefined	0.72 undefined	41.7	0
10	15 -10	32 0	23 -5	0.79 undefined	0.79 undefined	41.8	0
11	15 -10	31 0	23 -5	0.86 undefined	0.86 undefined	41.9	0
12	15 -10	31 0	23 -5	0.92 undefined	0.92 undefined	42	0
13	14 -10	31 0	23 -5	0.98 undefined	0.98 undefined	42.1	0
14	14 -10	31 0	23 -5	1.04 undefined	1.04 undefined	42.2	0
15	14 -10	31 0	23 -5	1.1 undefined	1.1 undefined	42.3	0
16	14 -10	31 0	23 -5	1.16 undefined	1.16 undefined	42.3	0
17	14 -10	31 0	23 -5	1.23 undefined	1.23 undefined	42.4	0
18	14 -10	31 0	23 -5	1.29 undefined	1.29 undefined	42.4	0
19	14 -10	31 0	23 -5	1.35 undefined	1.35 undefined	42.4	0
20	14 -10	31 0	23 -5	1.42 undefined	1.42 undefined	42.4	0
21	14 -10	31 0	23 -5	1.49 undefined	1.49 undefined	42.4	0
22	14 -10	31 0	23 -5	1.57 undefined	1.57 undefined	42.4	0
23	14 -10	31 0	23 -5	1.63 undefined	1.63 undefined	42.4	0
24	14 -10	31 0	23 -5	1.71 undefined	1.71 undefined	42.3	0
25	14 -10	31 0	23 -5	1.78 undefined	1.78 undefined	42.3	0
26	14 -10	31 0	23 -5	1.85 undefined	1.85 undefined	42.2	0
27	14 -10	31 0	23 -5	1.91 undefined	1.91 undefined	42.2	0
28	15 -10	31 0	23 -5	1.98 undefined	1.98 undefined	42.1	0
29	15 -10	32 0	23 -5	2.05 undefined	2.05 undefined	42	0
30	15 -10	32 0	23 -5	2.12 undefined	2.12 undefined	41.9	0
31	15 -10	32 0	23 -5	2.19 undefined	2.19 undefined	41.8	0