S
M
T
W
T
F
S
29
48°
40°
30
48°
42°
1
50°
36°
2
48°
35°
3
48°
35°
4
54°
39°
5
52°
41°
6
51°
40°
7
52°
41°
8
50°
42°
9
52°
42°
10
52°
41°
11
51°
40°
12
51°
36°
13
50°
39°
14
46°
39°
15
46°
42°
16
53°
40°
17
52°
41°
18
53°
41°
19
51°
35°
20
50°
35°
21
46°
36°
22
47°
40°
23
47°
37°
24
52°
35°
25
46°
35°
26
46°
41°
27
50°
38°
28
49°
39°
29
50°
40°
30
53°
39°
31
48°
34°
1
49°
32°
2
46°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Exmouth
Exmouth's December 2026 forecast shows daily high temperatures ranging from 46° to 54°, with overnight lows between 32° and 42°. The average high for December is 50° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Exmouth. See also: January | February | March.