Darby, Pennsylvania Weather Forecast

Local

Darby, PA, US

39.91845, -75.25907

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	35 1	50 10	43 6	0.13 undefined	40.27 undefined	22.5	0
2	34 1	50 10	42 6	0.26 undefined	40.4 undefined	22.8	0
3	34 1	50 10	42 6	0.39 undefined	40.53 undefined	23.1	0
4	34 1	49 10	42 5	0.53 undefined	40.67 undefined	23.4	0
5	34 1	49 9	41 5	0.66 undefined	40.8 undefined	23.7	0
6	33 1	49 9	41 5	0.8 undefined	40.94 undefined	23.9	0
7	33 1	48 9	41 5	0.93 undefined	41.07 undefined	24.2	0
8	33 1	48 9	41 5	1.07 undefined	41.21 undefined	24.5	0
9	33 0	48 9	40 5	1.2 undefined	41.34 undefined	24.8	0
10	33 0	47 9	40 4	1.35 undefined	41.49 undefined	25	0
11	32 0	47 8	40 4	1.48 undefined	41.62 undefined	25.3	0
12	32 0	47 8	40 4	1.62 undefined	41.76 undefined	25.5	0
13	32 0	47 8	39 4	1.75 undefined	41.89 undefined	25.8	0
14	32 0	46 8	39 4	1.89 undefined	42.03 undefined	26	0
15	31 0	46 8	39 4	2.02 undefined	42.16 undefined	26.3	0
16	31 0	46 8	39 4	2.16 undefined	42.3 undefined	26.5	0
17	31 -1	46 8	38 3	2.28 undefined	42.42 undefined	26.8	0
18	31 -1	45 7	38 3	2.41 undefined	42.55 undefined	27	0
19	31 -1	45 7	38 3	2.54 undefined	42.68 undefined	27.3	0
20	30 -1	45 7	38 3	2.67 undefined	42.81 undefined	27.5	0
21	30 -1	45 7	37 3	2.8 undefined	42.94 undefined	27.7	0
22	30 -1	44 7	37 3	2.93 undefined	43.07 undefined	27.9	0
23	30 -1	44 7	37 3	3.05 undefined	43.19 undefined	28.2	0
24	29 -1	44 7	37 3	3.18 undefined	43.32 undefined	28.4	0
25	29 -2	44 7	36 2	3.3 undefined	43.44 undefined	28.6	0
26	29 -2	44 6	36 2	3.41 undefined	43.55 undefined	28.8	0
27	29 -2	43 6	36 2	3.53 undefined	43.67 undefined	29	0
28	29 -2	43 6	36 2	3.64 undefined	43.78 undefined	29.2	0
29	28 -2	43 6	36 2	3.75 undefined	43.89 undefined	29.4	0
30	28 -2	43 6	35 2	3.86 undefined	44 undefined	29.6	0
31	28 -2	43 6	35 2	3.97 undefined	44.11 undefined	29.7	0