Joliet, Illinois Weather Forecast

Local

Joliet, IL, US

41.52519, -88.0834

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	27 -3	42 5	34 1	0.08 undefined	36.17 undefined	31	0
2	26 -3	41 5	34 1	0.15 undefined	36.24 undefined	31.3	0
3	26 -3	41 5	33 1	0.23 undefined	36.32 undefined	31.7	0
4	26 -4	40 5	33 1	0.3 undefined	36.39 undefined	32	0
5	25 -4	40 4	33 0	0.37 undefined	36.46 undefined	32.4	0
6	25 -4	40 4	32 0	0.44 undefined	36.53 undefined	32.7	0
7	25 -4	39 4	32 0	0.51 undefined	36.6 undefined	33.1	0
8	24 -4	39 4	32 0	0.58 undefined	36.67 undefined	33.4	0
9	24 -4	38 4	31 0	0.65 undefined	36.74 undefined	33.7	0
10	24 -4	38 3	31 -1	0.71 undefined	36.8 undefined	34	0
11	24 -5	38 3	31 -1	0.78 undefined	36.87 undefined	34.4	0
12	23 -5	37 3	30 -1	0.84 undefined	36.93 undefined	34.7	0
13	23 -5	37 3	30 -1	0.9 undefined	36.99 undefined	35	0
14	23 -5	37 3	30 -1	0.96 undefined	37.05 undefined	35.3	0
15	23 -5	36 2	30 -1	1.02 undefined	37.11 undefined	35.5	0
16	22 -5	36 2	29 -2	1.08 undefined	37.17 undefined	35.8	0
17	22 -6	36 2	29 -2	1.14 undefined	37.23 undefined	36.1	0
18	22 -6	36 2	29 -2	1.2 undefined	37.29 undefined	36.4	0
19	22 -6	35 2	28 -2	1.25 undefined	37.34 undefined	36.6	0
20	21 -6	35 2	28 -2	1.31 undefined	37.4 undefined	36.9	0
21	21 -6	35 2	28 -2	1.36 undefined	37.45 undefined	37.2	0
22	21 -6	34 1	28 -2	1.42 undefined	37.51 undefined	37.4	0
23	21 -6	34 1	27 -3	1.48 undefined	37.57 undefined	37.6	0
24	20 -6	34 1	27 -3	1.54 undefined	37.63 undefined	37.9	0
25	20 -7	34 1	27 -3	1.59 undefined	37.68 undefined	38.1	0
26	20 -7	34 1	27 -3	1.65 undefined	37.74 undefined	38.3	0
27	20 -7	33 1	26 -3	1.71 undefined	37.8 undefined	38.6	0
28	19 -7	33 1	26 -3	1.77 undefined	37.86 undefined	38.8	0
29	19 -7	33 0	26 -3	1.82 undefined	37.91 undefined	39	0
30	19 -7	33 0	26 -3	1.88 undefined	37.97 undefined	39.2	0
31	19 -7	32 0	26 -4	1.94 undefined	38.03 undefined	39.4	0