S
M
T
W
T
F
S
29
45°
37°
30
45°
37°
1
46°
38°
2
45°
40°
3
49°
39°
4
47°
36°
5
47°
36°
6
45°
37°
7
44°
39°
8
45°
36°
9
46°
34°
10
44°
34°
11
45°
36°
12
44°
39°
13
46°
40°
14
47°
38°
15
48°
36°
16
46°
35°
17
45°
34°
18
44°
34°
19
44°
35°
20
45°
35°
21
43°
36°
22
46°
35°
23
44°
34°
24
46°
33°
25
43°
32°
26
44°
37°
27
44°
39°
28
48°
40°
29
49°
34°
30
48°
37°
31
43°
31°
1
43°
31°
2
Hist. Avg.
43°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Peterhead
Peterhead's December 2026 forecast shows daily high temperatures ranging from 43° to 49°, with overnight lows between 31° and 40°. The average high for December is 45° with an average low of 36°. 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 Peterhead. See also: January | February | March.