S
M
T
W
T
F
S
29
76°
52°
30
75°
51°
1
70°
51°
2
69°
52°
3
70°
51°
4
69°
54°
5
69°
58°
6
74°
59°
7
76°
58°
8
78°
50°
9
77°
53°
10
68°
57°
11
69°
56°
12
72°
58°
13
73°
56°
14
77°
49°
15
76°
48°
16
66°
51°
17
67°
55°
18
70°
56°
19
73°
57°
20
74°
57°
21
75°
56°
22
75°
57°
23
76°
57°
24
77°
56°
25
76°
55°
26
74°
55°
27
73°
54°
28
73°
55°
29
70°
48°
30
74°
45°
31
75°
44°
1
63°
46°
2
63°
56°
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 63° to 78°, with overnight lows between 44° and 59°. The average high for December is 72° with an average low of 54°. 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.
