Average data for 10 years
1 December
Monday
+8°
+4°
2 December
Tuesday
+8°
+4°
3 December
Wednesday
+8°
+4°
4 December
Thursday
+8°
+4°
5 December
Friday
+8°
+4°
6 December
Saturday
+8°
+4°
7 December
Sunday
+8°
+4°
8 December
Monday
+8°
+5°
9 December
Tuesday
+8°
+4°
10 December
Wednesday
+8°
+4°
11 December
Thursday
+8°
+4°
12 December
Friday
+8°
+4°
13 December
Saturday
+8°
+5°
14 December
Sunday
+8°
+4°
15 December
Monday
+8°
+4°
16 December
Tuesday
+8°
+4°
17 December
Wednesday
+8°
+4°
18 December
Thursday
+8°
+5°
19 December
Friday
+8°
+4°
20 December
Saturday
+8°
+4°
21 December
Sunday
+9°
+5°
22 December
Monday
+9°
+5°
23 December
Tuesday
+9°
+5°
24 December
Wednesday
+9°
+5°
25 December
Thursday
+8°
+4°
26 December
Friday
+8°
+4°
27 December
Saturday
+7°
+4°
28 December
Sunday
+7°
+4°
29 December
Monday
+8°
+4°
30 December
Tuesday
+9°
+5°
31 December
Wednesday
+8°
+5°
In December, the weather in Dartmouth is typically cold. Average daily high temperature in December is about 8 degrees above zero. On average, Dartmouth has 13 rainy, 7 cloudy, 7 partly cloudy, and 4 sunny days in December. The rains are usually heavy. December as well as January, February, March, and April is considered the most uncomfortable time to visit Dartmouth.