Chatham, Massachusetts Weather Forecast

Local

Chatham, MA, US

41.68206, -69.95974

Normals for December

	Temp ( °F °C )			Precip ( " mm )		Degree Days
	Min	Max	Avg	MTD	YTD	Heating	Cooling
1	35 2	48 9	42 5	0.16 undefined	41.37 undefined	23.5	0
2	35 2	47 9	41 5	0.31 undefined	41.52 undefined	23.8	0
3	35 2	47 8	41 5	0.46 undefined	41.67 undefined	24	0
4	35 1	47 8	41 5	0.62 undefined	41.83 undefined	24.3	0
5	34 1	47 8	40 5	0.77 undefined	41.98 undefined	24.6	0
6	34 1	46 8	40 5	0.93 undefined	42.14 undefined	24.8	0
7	34 1	46 8	40 4	1.09 undefined	42.3 undefined	25.1	0
8	33 1	46 8	40 4	1.25 undefined	42.46 undefined	25.4	0
9	33 1	46 8	39 4	1.4 undefined	42.61 undefined	25.6	0
10	33 0	45 7	39 4	1.56 undefined	42.77 undefined	25.9	0
11	33 0	45 7	39 4	1.72 undefined	42.93 undefined	26.2	0
12	32 0	45 7	39 4	1.88 undefined	43.09 undefined	26.4	0
13	32 0	45 7	38 4	2.03 undefined	43.24 undefined	26.7	0
14	32 0	44 7	38 3	2.19 undefined	43.4 undefined	27	0
15	31 0	44 7	38 3	2.34 undefined	43.55 undefined	27.2	0
16	31 0	44 7	38 3	2.5 undefined	43.71 undefined	27.5	0
17	31 -1	44 7	37 3	2.65 undefined	43.86 undefined	27.7	0
18	31 -1	43 6	37 3	2.81 undefined	44.02 undefined	28	0
19	30 -1	43 6	37 3	2.96 undefined	44.17 undefined	28.2	0
20	30 -1	43 6	37 3	3.11 undefined	44.32 undefined	28.5	0
21	30 -1	43 6	36 2	3.27 undefined	44.48 undefined	28.7	0
22	30 -1	43 6	36 2	3.42 undefined	44.63 undefined	29	0
23	29 -1	42 6	36 2	3.56 undefined	44.77 undefined	29.2	0
24	29 -2	42 6	36 2	3.71 undefined	44.92 undefined	29.5	0
25	29 -2	42 5	35 2	3.86 undefined	45.07 undefined	29.7	0
26	29 -2	42 5	35 2	4 undefined	45.21 undefined	29.9	0
27	28 -2	41 5	35 2	4.14 undefined	45.35 undefined	30.1	0
28	28 -2	41 5	35 1	4.29 undefined	45.5 undefined	30.4	0
29	28 -2	41 5	34 1	4.43 undefined	45.64 undefined	30.6	0
30	28 -2	41 5	34 1	4.57 undefined	45.78 undefined	30.8	0
31	27 -3	41 5	34 1	4.72 undefined	45.93 undefined	31	0