Dekalb, Illinois Weather Forecast

Local

Dekalb, IL, US

41.92947, -88.75036

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	24 -5	39 4	31 0	0.07 undefined	35.28 undefined	33.8	0
2	23 -5	38 4	31 -1	0.15 undefined	35.36 undefined	34.2	0
3	23 -5	38 3	31 -1	0.22 undefined	35.43 undefined	34.5	0
4	23 -5	38 3	30 -1	0.29 undefined	35.5 undefined	34.9	0
5	22 -5	37 3	30 -1	0.36 undefined	35.57 undefined	35.3	0
6	22 -6	37 3	29 -1	0.43 undefined	35.64 undefined	35.6	0
7	22 -6	36 2	29 -2	0.51 undefined	35.72 undefined	36	0
8	21 -6	36 2	29 -2	0.58 undefined	35.79 undefined	36.4	0
9	21 -6	36 2	28 -2	0.65 undefined	35.86 undefined	36.7	0
10	21 -6	35 2	28 -2	0.72 undefined	35.93 undefined	37	0
11	20 -6	35 2	28 -2	0.79 undefined	36 undefined	37.4	0
12	20 -7	35 1	27 -3	0.86 undefined	36.07 undefined	37.7	0
13	20 -7	34 1	27 -3	0.93 undefined	36.14 undefined	38	0
14	20 -7	34 1	27 -3	0.99 undefined	36.2 undefined	38.3	0
15	19 -7	34 1	26 -3	1.06 undefined	36.27 undefined	38.6	0
16	19 -7	33 1	26 -3	1.12 undefined	36.33 undefined	38.9	0
17	19 -7	33 1	26 -3	1.19 undefined	36.4 undefined	39.2	0
18	18 -8	33 0	26 -4	1.25 undefined	36.46 undefined	39.5	0
19	18 -8	32 0	25 -4	1.32 undefined	36.53 undefined	39.7	0
20	18 -8	32 0	25 -4	1.38 undefined	36.59 undefined	40	0
21	18 -8	32 0	25 -4	1.44 undefined	36.65 undefined	40.3	0
22	17 -8	32 0	25 -4	1.51 undefined	36.72 undefined	40.5	0
23	17 -8	31 0	24 -4	1.57 undefined	36.78 undefined	40.8	0
24	17 -8	31 0	24 -4	1.63 undefined	36.84 undefined	41	0
25	17 -9	31 -1	24 -5	1.69 undefined	36.9 undefined	41.3	0
26	16 -9	31 -1	24 -5	1.75 undefined	36.96 undefined	41.5	0
27	16 -9	30 -1	23 -5	1.81 undefined	37.02 undefined	41.7	0
28	16 -9	30 -1	23 -5	1.87 undefined	37.08 undefined	42	0
29	16 -9	30 -1	23 -5	1.93 undefined	37.14 undefined	42.2	0
30	15 -9	30 -1	23 -5	1.98 undefined	37.19 undefined	42.4	0
31	15 -9	30 -1	22 -5	2.04 undefined	37.25 undefined	42.6	0