S
M
T
W
T
F
S
29
51°
27°
30
43°
24°
1
42°
26°
2
43°
32°
3
46°
33°
4
55°
30°
5
51°
29°
6
45°
29°
7
47°
30°
8
49°
31°
9
50°
27°
10
43°
26°
11
Hist. Avg.
45°
29°
12
Hist. Avg.
44°
28°
13
Hist. Avg.
44°
28°
14
Hist. Avg.
44°
28°
15
Hist. Avg.
44°
28°
16
Hist. Avg.
43°
28°
17
Hist. Avg.
43°
27°
18
Hist. Avg.
43°
27°
19
Hist. Avg.
42°
27°
20
Hist. Avg.
42°
26°
21
Hist. Avg.
42°
26°
22
Hist. Avg.
42°
26°
23
Hist. Avg.
42°
26°
24
Hist. Avg.
41°
26°
25
Hist. Avg.
41°
25°
26
Hist. Avg.
41°
25°
27
Hist. Avg.
41°
25°
28
Hist. Avg.
40°
25°
29
Hist. Avg.
40°
24°
30
Hist. Avg.
40°
24°
31
Hist. Avg.
40°
24°
1
Hist. Avg.
40°
24°
2
Hist. Avg.
40°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Exeter
Exeter's December 2026 forecast shows daily high temperatures ranging from 42° to 55°, with overnight lows between 24° and 33°. The average high for December is 47° with an average low of 29°. 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 Exeter. See also: January | February | March.
