S
M
T
W
T
F
S
29
37°
28°
30
37°
24°
1
38°
28°
2
37°
23°
3
39°
22°
4
32°
28°
5
35°
30°
6
38°
32°
7
41°
32°
8
46°
26°
9
47°
27°
10
37°
25°
11
34°
24°
12
34°
22°
13
35°
21°
14
33°
20°
15
30°
13°
16
29°
22°
17
32°
22°
18
33°
26°
19
35°
26°
20
36°
28°
21
39°
25°
22
39°
24°
23
36°
27°
24
37°
27°
25
40°
22°
26
37°
19°
27
33°
18°
28
32°
16°
29
31°
18°
30
29°
11°
31
28°
14°
1
23°
18°
2
Hist. Avg.
31°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Georgetown
Georgetown's December 2026 forecast shows daily high temperatures ranging from 23° to 47°, with overnight lows between 11° and 32°. The average high for December is 35° with an average low of 23°. 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 Georgetown. See also: January | February | March.
