S
M
T
W
T
F
S
29
54°
42°
30
59°
39°
1
61°
39°
2
56°
41°
3
56°
28°
4
65°
28°
5
49°
29°
6
50°
30°
7
54°
32°
8
51°
29°
9
51°
27°
10
50°
26°
11
48°
25°
12
47°
27°
13
48°
28°
14
50°
28°
15
51°
29°
16
53°
35°
17
52°
37°
18
51°
35°
19
52°
32°
20
50°
29°
21
49°
29°
22
49°
32°
23
50°
36°
24
51°
27°
25
48°
25°
26
45°
26°
27
46°
26°
28
48°
29°
29
47°
30°
30
48°
28°
31
51°
21°
1
Hist. Avg.
50°
32°
2
Hist. Avg.
50°
32°
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 45° to 65°, with overnight lows between 21° and 42°. The average high for December is 51° with an average low of 30°. 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.
