Williamsport, Pennsylvania Weather Forecast

Local

Williamsport, PA, US

41.24119, -77.00108

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	29 -1	44 7	37 3	0.1 undefined	39.56 undefined	28.3	0
2	29 -2	44 7	36 2	0.21 undefined	39.67 undefined	28.6	0
3	29 -2	43 6	36 2	0.32 undefined	39.78 undefined	28.9	0
4	29 -2	43 6	36 2	0.42 undefined	39.88 undefined	29.2	0
5	28 -2	43 6	36 2	0.53 undefined	39.99 undefined	29.5	0
6	28 -2	42 6	35 2	0.64 undefined	40.1 undefined	29.8	0
7	28 -2	42 6	35 2	0.75 undefined	40.21 undefined	30.1	0
8	28 -2	42 5	35 1	0.86 undefined	40.32 undefined	30.4	0
9	27 -3	41 5	34 1	0.98 undefined	40.44 undefined	30.6	0
10	27 -3	41 5	34 1	1.09 undefined	40.55 undefined	30.9	0
11	27 -3	41 5	34 1	1.2 undefined	40.66 undefined	31.2	0
12	27 -3	41 5	34 1	1.31 undefined	40.77 undefined	31.4	0
13	26 -3	40 5	33 1	1.42 undefined	40.88 undefined	31.7	0
14	26 -3	40 4	33 1	1.53 undefined	40.99 undefined	32	0
15	26 -3	40 4	33 0	1.63 undefined	41.09 undefined	32.2	0
16	26 -4	40 4	33 0	1.73 undefined	41.19 undefined	32.4	0
17	25 -4	39 4	32 0	1.83 undefined	41.29 undefined	32.7	0
18	25 -4	39 4	32 0	1.93 undefined	41.39 undefined	32.9	0
19	25 -4	39 4	32 0	2.03 undefined	41.49 undefined	33.2	0
20	25 -4	39 4	32 0	2.13 undefined	41.59 undefined	33.4	0
21	25 -4	38 4	31 0	2.23 undefined	41.69 undefined	33.6	0
22	24 -4	38 3	31 0	2.33 undefined	41.79 undefined	33.8	0
23	24 -4	38 3	31 -1	2.44 undefined	41.9 undefined	34	0
24	24 -5	38 3	31 -1	2.54 undefined	42 undefined	34.2	0
25	24 -5	38 3	31 -1	2.65 undefined	42.11 undefined	34.4	0
26	23 -5	37 3	30 -1	2.75 undefined	42.21 undefined	34.6	0
27	23 -5	37 3	30 -1	2.85 undefined	42.31 undefined	34.8	0
28	23 -5	37 3	30 -1	2.95 undefined	42.41 undefined	35	0
29	23 -5	37 3	30 -1	3.05 undefined	42.51 undefined	35.2	0
30	23 -5	37 3	30 -1	3.16 undefined	42.62 undefined	35.3	0
31	22 -5	37 3	30 -1	3.26 undefined	42.72 undefined	35.5	0