S
M
T
W
T
F
S
29
73°
55°
30
76°
56°
1
76°
56°
2
75°
55°
3
76°
50°
4
65°
44°
5
65°
49°
6
69°
47°
7
63°
41°
8
61°
42°
9
62°
40°
10
61°
41°
11
60°
44°
12
60°
46°
13
62°
45°
14
61°
43°
15
61°
43°
16
62°
44°
17
67°
44°
18
71°
46°
19
71°
51°
20
67°
50°
21
61°
45°
22
62°
50°
23
73°
38°
24
71°
35°
25
60°
38°
26
61°
49°
27
63°
52°
28
71°
48°
29
73°
44°
30
74°
44°
31
64°
48°
1
66°
35°
2
68°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Cotulla
Cotulla's December 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 34° and 56°. The average high for December is 67° with an average low of 45°. 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 Cotulla. See also: January | February | March.
