S
M
T
W
T
F
S
29
45°
23°
30
45°
21°
1
42°
26°
2
45°
19°
3
41°
19°
4
39°
23°
5
44°
31°
6
48°
36°
7
54°
28°
8
57°
26°
9
52°
22°
10
40°
24°
11
46°
23°
12
47°
24°
13
42°
23°
14
38°
20°
15
37°
16°
16
37°
21°
17
38°
22°
18
39°
27°
19
41°
30°
20
49°
29°
21
53°
22°
22
53°
24°
23
41°
28°
24
51°
26°
25
52°
27°
26
48°
26°
27
43°
15°
28
45°
16°
29
34°
10°
30
35°
8°
31
34°
9°
1
29°
11°
2
33°
12°
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 29° to 57°, with overnight lows between 8° and 36°. The average high for December is 43° with an average low of 22°. 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.
