S
M
T
W
T
F
S
29
40°
25°
30
39°
24°
1
38°
23°
2
38°
23°
3
39°
26°
4
40°
26°
5
41°
27°
6
39°
32°
7
38°
32°
8
39°
31°
9
39°
24°
10
36°
24°
11
48°
26°
12
45°
31°
13
41°
26°
14
47°
25°
15
39°
20°
16
36°
21°
17
34°
24°
18
36°
26°
19
41°
27°
20
42°
29°
21
44°
29°
22
45°
28°
23
45°
30°
24
44°
32°
25
48°
23°
26
48°
22°
27
46°
19°
28
34°
22°
29
34°
26°
30
43°
26°
31
42°
28°
1
45°
30°
2
46°
26°
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 34° to 48°, with overnight lows between 19° and 32°. The average high for December is 41° with an average low of 26°. 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.
