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