Lerna, Illinois Weather Forecast

Local

Lerna, IL, US

39.41837, -88.28866

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	30 -1	45 7	37 3	0.07 undefined	34.23 undefined	27.8	0
2	30 -1	44 7	37 3	0.13 undefined	34.29 undefined	28.1	0
3	29 -1	44 7	37 3	0.19 undefined	34.35 undefined	28.4	0
4	29 -2	44 6	36 2	0.25 undefined	34.41 undefined	28.7	0
5	29 -2	43 6	36 2	0.31 undefined	34.47 undefined	29	0
6	29 -2	43 6	36 2	0.38 undefined	34.54 undefined	29.3	0
7	28 -2	43 6	35 2	0.44 undefined	34.6 undefined	29.6	0
8	28 -2	42 6	35 2	0.5 undefined	34.66 undefined	29.9	0
9	28 -2	42 5	35 2	0.56 undefined	34.72 undefined	30.2	0
10	28 -2	42 5	35 1	0.62 undefined	34.78 undefined	30.5	0
11	27 -3	41 5	34 1	0.67 undefined	34.83 undefined	30.8	0
12	27 -3	41 5	34 1	0.73 undefined	34.89 undefined	31.1	0
13	27 -3	41 5	34 1	0.79 undefined	34.95 undefined	31.4	0
14	26 -3	40 5	33 1	0.84 undefined	35 undefined	31.6	0
15	26 -3	40 4	33 1	0.9 undefined	35.06 undefined	31.9	0
16	26 -3	40 4	33 0	0.95 undefined	35.11 undefined	32.2	0
17	26 -3	39 4	33 0	1.01 undefined	35.17 undefined	32.4	0
18	26 -4	39 4	32 0	1.06 undefined	35.22 undefined	32.7	0
19	25 -4	39 4	32 0	1.12 undefined	35.28 undefined	32.9	0
20	25 -4	39 4	32 0	1.18 undefined	35.34 undefined	33.2	0
21	25 -4	38 4	32 0	1.24 undefined	35.4 undefined	33.4	0
22	25 -4	38 3	31 0	1.31 undefined	35.47 undefined	33.7	0
23	24 -4	38 3	31 0	1.37 undefined	35.53 undefined	33.9	0
24	24 -4	38 3	31 -1	1.43 undefined	35.59 undefined	34.1	0
25	24 -5	38 3	31 -1	1.49 undefined	35.65 undefined	34.4	0
26	24 -5	37 3	30 -1	1.55 undefined	35.71 undefined	34.6	0
27	23 -5	37 3	30 -1	1.61 undefined	35.77 undefined	34.8	0
28	23 -5	37 3	30 -1	1.66 undefined	35.82 undefined	35	0
29	23 -5	37 3	30 -1	1.72 undefined	35.88 undefined	35.2	0
30	23 -5	37 3	30 -1	1.78 undefined	35.94 undefined	35.4	0
31	22 -5	36 2	29 -1	1.84 undefined	36 undefined	35.6	0