S
M
T
W
T
F
S
29
66°
46°
30
64°
47°
1
66°
41°
2
52°
34°
3
52°
32°
4
55°
37°
5
62°
39°
6
51°
33°
7
51°
34°
8
49°
31°
9
49°
32°
10
48°
30°
11
50°
31°
12
53°
35°
13
56°
35°
14
52°
34°
15
52°
38°
16
51°
37°
17
52°
33°
18
54°
31°
19
50°
29°
20
49°
29°
21
49°
30°
22
51°
31°
23
49°
32°
24
47°
29°
25
47°
29°
26
48°
30°
27
49°
29°
28
49°
29°
29
50°
31°
30
48°
30°
31
49°
28°
1
47°
27°
2
46°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bastrop
Bastrop's December 2026 forecast shows daily high temperatures ranging from 46° to 66°, with overnight lows between 27° and 47°. The average high for December is 52° with an average low of 33°. 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 Bastrop. See also: January | February | March.