S
M
T
W
T
F
S
29
51°
41°
30
51°
40°
1
55°
33°
2
48°
35°
3
48°
41°
4
47°
44°
5
51°
44°
6
54°
43°
7
52°
42°
8
51°
39°
9
49°
40°
10
51°
34°
11
49°
32°
12
Hist. Avg.
52°
37°
13
Hist. Avg.
52°
37°
14
Hist. Avg.
52°
37°
15
Hist. Avg.
52°
37°
16
Hist. Avg.
52°
37°
17
Hist. Avg.
52°
37°
18
Hist. Avg.
52°
37°
19
Hist. Avg.
53°
37°
20
Hist. Avg.
53°
37°
21
Hist. Avg.
53°
37°
22
Hist. Avg.
53°
37°
23
Hist. Avg.
53°
37°
24
Hist. Avg.
53°
37°
25
Hist. Avg.
53°
37°
26
Hist. Avg.
53°
38°
27
Hist. Avg.
54°
38°
28
Hist. Avg.
54°
38°
29
Hist. Avg.
54°
38°
30
Hist. Avg.
54°
38°
31
Hist. Avg.
54°
38°
1
Hist. Avg.
54°
38°
2
Hist. Avg.
54°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Georgetown
Georgetown's December 2026 forecast shows daily high temperatures ranging from 47° to 55°, with overnight lows between 32° and 44°. The average high for December is 51° with an average low of 39°. 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.