S
M
T
W
T
F
S
29
73°
55°
30
72°
52°
1
73°
43°
2
58°
42°
3
59°
42°
4
61°
53°
5
69°
45°
6
60°
42°
7
59°
42°
8
58°
41°
9
57°
40°
10
58°
40°
11
59°
41°
12
59°
40°
13
64°
47°
14
61°
43°
15
61°
42°
16
62°
44°
17
63°
42°
18
59°
39°
19
58°
37°
20
57°
39°
21
59°
41°
22
63°
39°
23
59°
38°
24
56°
38°
25
58°
39°
26
57°
39°
27
59°
41°
28
60°
39°
29
59°
39°
30
57°
38°
31
58°
36°
1
56°
36°
2
56°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Houston
Houston's December 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 36° and 55°. The average high for December is 60° with an average low of 42°. 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 Houston. See also: January | February | March.
