S
M
T
W
T
F
S
29
61°
50°
30
62°
44°
1
60°
43°
2
61°
48°
3
67°
56°
4
68°
56°
5
69°
55°
6
70°
53°
7
65°
46°
8
66°
45°
9
65°
44°
10
62°
45°
11
59°
39°
12
60°
37°
13
56°
37°
14
56°
38°
15
57°
40°
16
58°
40°
17
58°
41°
18
59°
39°
19
58°
39°
20
57°
41°
21
58°
43°
22
58°
46°
23
71°
38°
24
70°
39°
25
58°
42°
26
61°
53°
27
69°
52°
28
71°
46°
29
70°
49°
30
66°
46°
31
68°
40°
1
64°
39°
2
57°
43°
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 71°, with overnight lows between 37° and 56°. The average high for December is 63° with an average low of 44°. 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.
