Spearfish, South Dakota Weather Forecast

Local

Spearfish, SD, US

44.49082, -103.85937

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	21 -6	40 5	31 -1	0.02 undefined	20.71 undefined	34.4	0
2	20 -6	40 5	30 -1	0.05 undefined	20.74 undefined	34.7	0
3	20 -7	40 4	30 -1	0.07 undefined	20.76 undefined	35.1	0
4	20 -7	40 4	30 -1	0.09 undefined	20.78 undefined	35.4	0
5	20 -7	39 4	29 -1	0.12 undefined	20.81 undefined	35.6	0
6	19 -7	39 4	29 -2	0.14 undefined	20.83 undefined	35.9	0
7	19 -7	39 4	29 -2	0.16 undefined	20.85 undefined	36.2	0
8	19 -7	38 4	29 -2	0.19 undefined	20.88 undefined	36.5	0
9	19 -7	38 3	28 -2	0.21 undefined	20.9 undefined	36.7	0
10	18 -8	38 3	28 -2	0.24 undefined	20.93 undefined	37	0
11	18 -8	38 3	28 -2	0.26 undefined	20.95 undefined	37.2	0
12	18 -8	37 3	28 -2	0.29 undefined	20.98 undefined	37.4	0
13	18 -8	37 3	27 -3	0.31 undefined	21 undefined	37.6	0
14	17 -8	37 3	27 -3	0.34 undefined	21.03 undefined	37.8	0
15	17 -8	37 3	27 -3	0.36 undefined	21.05 undefined	38	0
16	17 -8	37 3	27 -3	0.39 undefined	21.08 undefined	38.1	0
17	17 -8	37 3	27 -3	0.41 undefined	21.1 undefined	38.3	0
18	17 -8	36 2	27 -3	0.43 undefined	21.12 undefined	38.4	0
19	17 -9	36 2	26 -3	0.45 undefined	21.14 undefined	38.5	0
20	17 -9	36 2	26 -3	0.47 undefined	21.16 undefined	38.7	0
21	16 -9	36 2	26 -3	0.5 undefined	21.19 undefined	38.8	0
22	16 -9	36 2	26 -3	0.52 undefined	21.21 undefined	38.8	0
23	16 -9	36 2	26 -3	0.54 undefined	21.23 undefined	38.9	0
24	16 -9	36 2	26 -3	0.56 undefined	21.25 undefined	39	0
25	16 -9	36 2	26 -3	0.58 undefined	21.27 undefined	39	0
26	16 -9	36 2	26 -3	0.6 undefined	21.29 undefined	39.1	0
27	16 -9	36 2	26 -3	0.63 undefined	21.32 undefined	39.1	0
28	16 -9	36 2	26 -3	0.65 undefined	21.34 undefined	39.1	0
29	16 -9	36 2	26 -3	0.67 undefined	21.36 undefined	39.2	0
30	16 -9	36 2	26 -3	0.7 undefined	21.39 undefined	39.2	0
31	16 -9	36 2	26 -3	0.72 undefined	21.41 undefined	39.2	0