S
M
T
W
T
F
S
29
37°
24°
30
27°
11°
1
22°
6°
2
24°
4°
3
22°
1°
4
18°
7°
5
20°
18°
6
25°
17°
7
27°
15°
8
27°
3°
9
25°
3°
10
21°
11°
11
22°
14°
12
25°
11°
13
28°
2°
14
21°
-4°
15
16°
-4°
16
11°
11°
17
29°
15°
18
30°
16°
19
30°
14°
20
32°
15°
21
29°
14°
22
30°
13°
23
29°
10°
24
24°
10°
25
23°
12°
26
26°
10°
27
27°
8°
28
27°
8°
29
19°
9°
30
23°
6°
31
22°
2°
1
16°
5°
2
15°
7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Glyndon
Glyndon's December 2026 forecast shows daily high temperatures ranging from 11° to 37°, with overnight lows between -4° and 24°. The average high for December is 24° with an average low of 9°. 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 Glyndon. See also: January | February | March.
