Gaithersburg, Maryland Weather Forecast

Local

Gaithersburg, MD, US

39.14344, -77.20137

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	34 1	50 10	42 6	0.12 undefined	38.06 undefined	23	0
2	34 1	50 10	42 5	0.25 undefined	38.19 undefined	23.3	0
3	33 1	49 10	41 5	0.38 undefined	38.32 undefined	23.6	0
4	33 1	49 10	41 5	0.5 undefined	38.44 undefined	23.9	0
5	33 1	49 9	41 5	0.63 undefined	38.57 undefined	24.1	0
6	33 0	49 9	41 5	0.76 undefined	38.7 undefined	24.4	0
7	33 0	48 9	40 5	0.89 undefined	38.83 undefined	24.7	0
8	32 0	48 9	40 5	1.01 undefined	38.95 undefined	24.9	0
9	32 0	48 9	40 4	1.13 undefined	39.07 undefined	25.2	0
10	32 0	47 9	40 4	1.25 undefined	39.19 undefined	25.4	0
11	32 0	47 8	39 4	1.37 undefined	39.31 undefined	25.7	0
12	32 0	47 8	39 4	1.48 undefined	39.42 undefined	25.9	0
13	31 0	46 8	39 4	1.58 undefined	39.52 undefined	26.1	0
14	31 0	46 8	39 4	1.69 undefined	39.63 undefined	26.4	0
15	31 -1	46 8	38 4	1.8 undefined	39.74 undefined	26.6	0
16	31 -1	46 8	38 3	1.9 undefined	39.84 undefined	26.8	0
17	31 -1	45 7	38 3	1.99 undefined	39.93 undefined	27	0
18	30 -1	45 7	38 3	2.1 undefined	40.04 undefined	27.2	0
19	30 -1	45 7	38 3	2.2 undefined	40.14 undefined	27.4	0
20	30 -1	45 7	37 3	2.3 undefined	40.24 undefined	27.6	0
21	30 -1	45 7	37 3	2.4 undefined	40.34 undefined	27.7	0
22	30 -1	44 7	37 3	2.5 undefined	40.44 undefined	27.9	0
23	30 -1	44 7	37 3	2.6 undefined	40.54 undefined	28.1	0
24	29 -1	44 7	37 3	2.71 undefined	40.65 undefined	28.3	0
25	29 -1	44 7	37 3	2.81 undefined	40.75 undefined	28.4	0
26	29 -2	44 7	36 2	2.91 undefined	40.85 undefined	28.6	0
27	29 -2	44 6	36 2	3.01 undefined	40.95 undefined	28.7	0
28	29 -2	43 6	36 2	3.1 undefined	41.04 undefined	28.9	0
29	29 -2	43 6	36 2	3.2 undefined	41.14 undefined	29	0
30	29 -2	43 6	36 2	3.29 undefined	41.23 undefined	29.1	0
31	28 -2	43 6	36 2	3.38 undefined	41.32 undefined	29.3	0