Thornton, Colorado Weather Forecast

Local

Thornton, CO, US

39.86804, -104.97192

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	22 -6	50 10	36 2	0.02 undefined	14.05 undefined	29	0
2	21 -6	50 10	36 2	0.04 undefined	14.07 undefined	29.4	0
3	21 -6	50 10	35 2	0.05 undefined	14.08 undefined	29.7	0
4	21 -6	49 10	35 2	0.07 undefined	14.1 undefined	29.9	0
5	21 -6	49 9	35 2	0.09 undefined	14.12 undefined	30.2	0
6	20 -6	49 9	35 1	0.1 undefined	14.13 undefined	30.5	0
7	20 -7	49 9	34 1	0.12 undefined	14.15 undefined	30.7	0
8	20 -7	48 9	34 1	0.14 undefined	14.17 undefined	31	0
9	20 -7	48 9	34 1	0.15 undefined	14.18 undefined	31.2	0
10	19 -7	48 9	34 1	0.17 undefined	14.2 undefined	31.4	0
11	19 -7	48 9	33 1	0.18 undefined	14.21 undefined	31.6	0
12	19 -7	47 9	33 1	0.2 undefined	14.23 undefined	31.8	0
13	19 -7	47 9	33 1	0.21 undefined	14.24 undefined	31.9	0
14	19 -7	47 8	33 1	0.23 undefined	14.26 undefined	32.1	0
15	19 -7	47 8	33 0	0.24 undefined	14.27 undefined	32.2	0
16	19 -7	47 8	33 0	0.26 undefined	14.29 undefined	32.3	0
17	18 -8	47 8	33 0	0.27 undefined	14.3 undefined	32.4	0
18	18 -8	47 8	33 0	0.29 undefined	14.32 undefined	32.5	0
19	18 -8	47 8	33 0	0.3 undefined	14.33 undefined	32.5	0
20	18 -8	47 8	32 0	0.31 undefined	14.34 undefined	32.6	0
21	18 -8	47 8	32 0	0.33 undefined	14.36 undefined	32.6	0
22	18 -8	47 8	32 0	0.34 undefined	14.37 undefined	32.6	0
23	18 -8	47 8	32 0	0.36 undefined	14.39 undefined	32.6	0
24	18 -8	47 8	32 0	0.37 undefined	14.4 undefined	32.6	0
25	18 -8	47 8	32 0	0.39 undefined	14.42 undefined	32.6	0
26	18 -8	47 8	32 0	0.4 undefined	14.43 undefined	32.6	0
27	18 -8	47 8	33 0	0.42 undefined	14.45 undefined	32.5	0
28	18 -8	47 8	33 0	0.43 undefined	14.46 undefined	32.5	0
29	18 -8	47 8	33 0	0.45 undefined	14.48 undefined	32.4	0
30	18 -8	47 8	33 0	0.46 undefined	14.49 undefined	32.4	0
31	18 -8	47 8	33 0	0.48 undefined	14.51 undefined	32.3	0