S
M
T
W
T
F
S
29
24°
6°
30
21°
3°
1
11°
7°
2
20°
11°
3
23°
9°
4
21°
7°
5
24°
10°
6
22°
10°
7
21°
9°
8
22°
5°
9
12°
4°
10
16°
4°
11
19°
-3°
12
12°
-6°
13
6°
0°
14
15°
-1°
15
9°
-4°
16
14°
-4°
17
10°
-8°
18
5°
-11°
19
3°
-12°
20
1°
-11°
21
0°
-11°
22
1°
-12°
23
1°
-12°
24
0°
-11°
25
0°
-13°
26
-1°
-6°
27
5°
-13°
28
10°
-16°
29
3°
-13°
30
-1°
-7°
31
12°
8°
1
22°
7°
2
22°
5°
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 -1° to 24°, with overnight lows between -16° and 11°. The average high for December is 12° with an average low of -2°. 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.
