S
M
T
W
T
F
S
29
63°
50°
30
73°
47°
1
73°
47°
2
70°
54°
3
71°
51°
4
74°
49°
5
69°
50°
6
70°
54°
7
72°
52°
8
74°
52°
9
71°
45°
10
72°
39°
11
62°
39°
12
60°
43°
13
64°
38°
14
63°
36°
15
58°
42°
16
57°
39°
17
60°
40°
18
59°
40°
19
57°
45°
20
61°
51°
21
68°
52°
22
72°
48°
23
72°
36°
24
67°
42°
25
58°
42°
26
66°
48°
27
71°
49°
28
Hist. Avg.
63°
43°
29
Hist. Avg.
63°
43°
30
Hist. Avg.
63°
43°
31
Hist. Avg.
63°
42°
1
Hist. Avg.
63°
42°
2
Hist. Avg.
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Tomball
Tomball's December 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 36° and 54°. The average high for December is 66° with an average low of 46°. 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 Tomball. See also: January | February | March.
