S
M
T
W
T
F
S
29
45°
34°
30
47°
36°
1
46°
35°
2
46°
36°
3
48°
34°
4
46°
33°
5
46°
33°
6
44°
34°
7
46°
32°
8
43°
31°
9
38°
31°
10
40°
30°
11
40°
31°
12
39°
30°
13
40°
23°
14
40°
18°
15
36°
18°
16
29°
20°
17
30°
18°
18
29°
27°
19
37°
26°
20
40°
24°
21
37°
19°
22
34°
21°
23
34°
14°
24
32°
22°
25
31°
20°
26
36°
14°
27
31°
15°
28
26°
16°
29
30°
16°
30
28°
18°
31
30°
25°
1
41°
23°
2
40°
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 26° to 48°, with overnight lows between 14° and 36°. The average high for December is 38° with an average low of 25°. 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.
