S
M
T
W
T
F
S
29
54°
32°
30
52°
34°
1
54°
42°
2
53°
31°
3
62°
30°
4
51°
32°
5
52°
32°
6
51°
30°
7
52°
31°
8
51°
32°
9
53°
30°
10
50°
26°
11
48°
27°
12
47°
28°
13
49°
28°
14
51°
30°
15
51°
31°
16
52°
30°
17
50°
31°
18
50°
36°
19
55°
33°
20
56°
34°
21
56°
37°
22
55°
39°
23
51°
31°
24
54°
32°
25
49°
32°
26
48°
28°
27
48°
27°
28
49°
28°
29
51°
31°
30
52°
25°
31
52°
24°
1
Hist. Avg.
52°
34°
2
Hist. Avg.
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Van Alstyne
Van Alstyne's December 2026 forecast shows daily high temperatures ranging from 47° to 62°, with overnight lows between 24° and 42°. The average high for December is 52° with an average low of 31°. 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 Van Alstyne. See also: January | February | March.
