S
M
T
W
T
F
S
29
56°
38°
30
58°
43°
1
62°
43°
2
63°
44°
3
62°
44°
4
59°
42°
5
57°
42°
6
52°
40°
7
54°
33°
8
47°
29°
9
47°
29°
10
45°
27°
11
45°
26°
12
46°
26°
13
46°
30°
14
51°
41°
15
53°
41°
16
54°
39°
17
47°
33°
18
56°
40°
19
56°
35°
20
51°
36°
21
45°
28°
22
47°
36°
23
54°
27°
24
49°
24°
25
44°
21°
26
41°
27°
27
44°
38°
28
54°
40°
29
57°
28°
30
57°
25°
31
50°
31°
1
51°
23°
2
52°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Trinity
Trinity's December 2026 forecast shows daily high temperatures ranging from 41° to 63°, with overnight lows between 19° and 44°. The average high for December is 52° with an average low of 33°. 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 Trinity. See also: January | February | March.
