Decatur, Indiana Weather Forecast

Local

Decatur, IN, US

40.8306, -84.92913

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	28 -2	43 6	36 2	0.09 undefined	38.12 undefined	29.4	0
2	28 -2	43 6	35 2	0.17 undefined	38.2 undefined	29.7	0
3	28 -2	42 6	35 2	0.26 undefined	38.29 undefined	30	0
4	28 -2	42 5	35 1	0.35 undefined	38.38 undefined	30.4	0
5	27 -3	41 5	34 1	0.43 undefined	38.46 undefined	30.7	0
6	27 -3	41 5	34 1	0.52 undefined	38.55 undefined	31	0
7	27 -3	41 5	34 1	0.6 undefined	38.63 undefined	31.3	0
8	26 -3	40 5	33 1	0.69 undefined	38.72 undefined	31.7	0
9	26 -3	40 4	33 1	0.77 undefined	38.8 undefined	32	0
10	26 -3	40 4	33 0	0.85 undefined	38.88 undefined	32.3	0
11	26 -4	39 4	32 0	0.93 undefined	38.96 undefined	32.6	0
12	25 -4	39 4	32 0	1.01 undefined	39.04 undefined	32.9	0
13	25 -4	39 4	32 0	1.08 undefined	39.11 undefined	33.2	0
14	25 -4	38 3	32 0	1.16 undefined	39.19 undefined	33.5	0
15	25 -4	38 3	31 0	1.24 undefined	39.27 undefined	33.8	0
16	24 -4	38 3	31 -1	1.32 undefined	39.35 undefined	34.1	0
17	24 -4	37 3	31 -1	1.4 undefined	39.43 undefined	34.3	0
18	24 -5	37 3	30 -1	1.48 undefined	39.51 undefined	34.6	0
19	24 -5	37 3	30 -1	1.56 undefined	39.59 undefined	34.9	0
20	23 -5	37 3	30 -1	1.65 undefined	39.68 undefined	35.1	0
21	23 -5	36 2	30 -1	1.73 undefined	39.76 undefined	35.4	0
22	23 -5	36 2	29 -1	1.82 undefined	39.85 undefined	35.6	0
23	22 -5	36 2	29 -2	1.91 undefined	39.94 undefined	35.9	0
24	22 -5	36 2	29 -2	2 undefined	40.03 undefined	36.1	0
25	22 -6	35 2	29 -2	2.08 undefined	40.11 undefined	36.4	0
26	22 -6	35 2	28 -2	2.17 undefined	40.2 undefined	36.6	0
27	21 -6	35 2	28 -2	2.25 undefined	40.28 undefined	36.8	0
28	21 -6	35 2	28 -2	2.33 undefined	40.36 undefined	37	0
29	21 -6	35 1	28 -2	2.41 undefined	40.44 undefined	37.2	0
30	21 -6	34 1	28 -2	2.5 undefined	40.53 undefined	37.4	0
31	21 -6	34 1	27 -3	2.59 undefined	40.62 undefined	37.6	0