Ashburn, Virginia Weather Forecast

Local

Ashburn, VA, US

39.04372, -77.48749

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	31 0	50 10	41 5	0.12 undefined	41.73 undefined	24.3	0
2	31 -1	50 10	40 5	0.24 undefined	41.85 undefined	24.6	0
3	31 -1	50 10	40 5	0.36 undefined	41.97 undefined	24.8	0
4	31 -1	49 10	40 4	0.48 undefined	42.09 undefined	25.1	0
5	30 -1	49 9	40 4	0.6 undefined	42.21 undefined	25.4	0
6	30 -1	49 9	39 4	0.72 undefined	42.33 undefined	25.6	0
7	30 -1	48 9	39 4	0.84 undefined	42.45 undefined	25.9	0
8	30 -1	48 9	39 4	0.96 undefined	42.57 undefined	26.1	0
9	30 -1	48 9	39 4	1.07 undefined	42.68 undefined	26.3	0
10	29 -1	47 9	38 4	1.19 undefined	42.8 undefined	26.6	0
11	29 -1	47 8	38 3	1.31 undefined	42.92 undefined	26.8	0
12	29 -2	47 8	38 3	1.43 undefined	43.04 undefined	27	0
13	29 -2	47 8	38 3	1.55 undefined	43.16 undefined	27.2	0
14	29 -2	46 8	38 3	1.66 undefined	43.27 undefined	27.4	0
15	29 -2	46 8	37 3	1.78 undefined	43.39 undefined	27.6	0
16	29 -2	46 8	37 3	1.89 undefined	43.5 undefined	27.8	0
17	28 -2	46 8	37 3	2.01 undefined	43.62 undefined	28	0
18	28 -2	45 7	37 3	2.12 undefined	43.73 undefined	28.2	0
19	28 -2	45 7	37 3	2.23 undefined	43.84 undefined	28.4	0
20	28 -2	45 7	36 2	2.34 undefined	43.95 undefined	28.6	0
21	28 -2	45 7	36 2	2.45 undefined	44.06 undefined	28.8	0
22	28 -2	45 7	36 2	2.56 undefined	44.17 undefined	28.9	0
23	28 -2	44 7	36 2	2.67 undefined	44.28 undefined	29.1	0
24	27 -3	44 7	36 2	2.78 undefined	44.39 undefined	29.3	0
25	27 -3	44 7	36 2	2.88 undefined	44.49 undefined	29.4	0
26	27 -3	44 7	35 2	2.99 undefined	44.6 undefined	29.6	0
27	27 -3	44 6	35 2	3.09 undefined	44.7 undefined	29.8	0
28	27 -3	43 6	35 2	3.19 undefined	44.8 undefined	29.9	0
29	27 -3	43 6	35 2	3.29 undefined	44.9 undefined	30.1	0
30	27 -3	43 6	35 2	3.39 undefined	45 undefined	30.2	0
31	26 -3	43 6	35 1	3.48 undefined	45.09 undefined	30.4	0