S
M
T
W
T
F
S
29
54°
41°
30
63°
41°
1
61°
42°
2
61°
40°
3
62°
36°
4
49°
32°
5
58°
35°
6
59°
37°
7
54°
33°
8
48°
33°
9
48°
31°
10
47°
30°
11
45°
29°
12
46°
26°
13
47°
26°
14
46°
22°
15
46°
27°
16
46°
34°
17
50°
35°
18
52°
37°
19
56°
29°
20
53°
21°
21
48°
21°
22
42°
23°
23
46°
29°
24
45°
23°
25
49°
22°
26
43°
22°
27
44°
21°
28
44°
21°
29
45°
25°
30
46°
33°
31
58°
23°
1
59°
21°
2
43°
17°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Welcome
Welcome's December 2026 forecast shows daily high temperatures ranging from 42° to 63°, with overnight lows between 17° and 42°. The average high for December is 50° with an average low of 29°. 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 Welcome. See also: January | February | March.
