S
M
T
W
T
F
S
29
42°
28°
30
41°
27°
1
41°
26°
2
40°
26°
3
40°
28°
4
42°
29°
5
43°
31°
6
41°
35°
7
40°
35°
8
39°
34°
9
40°
28°
10
38°
29°
11
50°
34°
12
46°
35°
13
49°
30°
14
50°
28°
15
41°
25°
16
37°
26°
17
37°
28°
18
39°
32°
19
45°
34°
20
46°
35°
21
48°
34°
22
49°
33°
23
48°
35°
24
48°
38°
25
51°
29°
26
52°
27°
27
47°
25°
28
38°
28°
29
39°
32°
30
46°
32°
31
46°
35°
1
48°
36°
2
49°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Wycombe
Wycombe's December 2026 forecast shows daily high temperatures ranging from 37° to 52°, with overnight lows between 25° and 38°. The average high for December is 44° with an average low of 31°. 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 Wycombe. See also: January | February | March.
