S
M
T
W
T
F
S
29
62°
42°
30
62°
41°
1
65°
37°
2
64°
36°
3
60°
38°
4
62°
41°
5
65°
40°
6
67°
41°
7
66°
42°
8
65°
39°
9
59°
40°
10
58°
37°
11
58°
34°
12
57°
35°
13
Hist. Avg.
59°
39°
14
Hist. Avg.
59°
39°
15
Hist. Avg.
59°
39°
16
Hist. Avg.
58°
39°
17
Hist. Avg.
58°
39°
18
Hist. Avg.
58°
39°
19
Hist. Avg.
58°
39°
20
Hist. Avg.
58°
39°
21
Hist. Avg.
58°
39°
22
Hist. Avg.
58°
39°
23
Hist. Avg.
58°
39°
24
Hist. Avg.
58°
39°
25
Hist. Avg.
58°
39°
26
Hist. Avg.
58°
39°
27
Hist. Avg.
58°
39°
28
Hist. Avg.
57°
39°
29
Hist. Avg.
57°
39°
30
Hist. Avg.
57°
39°
31
Hist. Avg.
57°
40°
1
Hist. Avg.
57°
40°
2
Hist. Avg.
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Grapevine
Grapevine's December 2026 forecast shows daily high temperatures ranging from 57° to 67°, with overnight lows between 34° and 42°. The average high for December is 62° with an average low of 39°. 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 Grapevine. See also: January | February | March.
