S
M
T
W
T
F
S
29
41°
15°
30
40°
12°
1
38°
15°
2
37°
11°
3
38°
12°
4
37°
25°
5
44°
17°
6
44°
24°
7
43°
22°
8
45°
17°
9
45°
22°
10
45°
24°
11
Hist. Avg.
43°
17°
12
Hist. Avg.
42°
17°
13
Hist. Avg.
42°
17°
14
Hist. Avg.
42°
17°
15
Hist. Avg.
42°
17°
16
Hist. Avg.
42°
17°
17
Hist. Avg.
42°
16°
18
Hist. Avg.
41°
16°
19
Hist. Avg.
41°
16°
20
Hist. Avg.
41°
16°
21
Hist. Avg.
41°
16°
22
Hist. Avg.
41°
16°
23
Hist. Avg.
41°
16°
24
Hist. Avg.
41°
16°
25
Hist. Avg.
41°
16°
26
Hist. Avg.
41°
16°
27
Hist. Avg.
41°
16°
28
Hist. Avg.
41°
16°
29
Hist. Avg.
41°
16°
30
Hist. Avg.
41°
16°
31
Hist. Avg.
41°
16°
1
Hist. Avg.
41°
16°
2
Hist. Avg.
41°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Trenton
Trenton's December 2026 forecast shows daily high temperatures ranging from 37° to 45°, with overnight lows between 11° and 25°. The average high for December is 41° with an average low of 18°. 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.
