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