S
M
T
W
T
F
S
29
46°
27°
30
47°
29°
1
49°
38°
2
48°
40°
3
48°
41°
4
52°
42°
5
49°
42°
6
51°
41°
7
52°
38°
8
47°
33°
9
45°
30°
10
46°
29°
11
61°
36°
12
63°
27°
13
63°
25°
14
43°
26°
15
45°
25°
16
46°
26°
17
43°
31°
18
50°
40°
19
56°
41°
20
60°
39°
21
61°
36°
22
60°
40°
23
59°
41°
24
62°
26°
25
62°
24°
26
46°
24°
27
42°
28°
28
50°
37°
29
54°
38°
30
57°
40°
31
60°
42°
1
60°
36°
2
62°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Trenton
Trenton's December 2026 forecast shows daily high temperatures ranging from 42° to 63°, with overnight lows between 24° and 42°. The average high for December is 53° with an average low of 34°. 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 Trenton. See also: January | February | March.
