S
M
T
W
T
F
S
29
39°
29°
30
43°
29°
1
46°
26°
2
44°
25°
3
40°
22°
4
36°
23°
5
35°
24°
6
39°
23°
7
39°
22°
8
34°
23°
9
41°
21°
10
40°
20°
11
31°
20°
12
34°
13°
13
31°
13°
14
27°
11°
15
27°
13°
16
26°
14°
17
26°
20°
18
36°
14°
19
38°
15°
20
28°
18°
21
34°
14°
22
31°
16°
23
29°
13°
24
28°
17°
25
33°
20°
26
38°
17°
27
Hist. Avg.
29°
11°
28
Hist. Avg.
29°
11°
29
Hist. Avg.
28°
10°
30
Hist. Avg.
28°
10°
31
Hist. Avg.
28°
10°
1
Hist. Avg.
28°
10°
2
Hist. Avg.
28°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Dieppe
Dieppe's December 2026 forecast shows daily high temperatures ranging from 26° to 46°, with overnight lows between 11° and 29°. The average high for December is 35° with an average low of 19°. 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 Dieppe. See also: January | February | March.
