S
M
T
W
T
F
S
29
25°
10°
30
25°
16°
1
34°
17°
2
34°
16°
3
33°
17°
4
33°
17°
5
32°
16°
6
33°
15°
7
32°
15°
8
32°
14°
9
31°
13°
10
31°
14°
11
25°
4°
12
25°
4°
13
23°
3°
14
24°
4°
15
29°
9°
16
28°
6°
17
30°
6°
18
26°
7°
19
25°
6°
20
28°
5°
21
28°
6°
22
26°
3°
23
26°
-2°
24
23°
-1°
25
15°
0°
26
24°
0°
27
15°
3°
28
16°
-6°
29
20°
-11°
30
16°
-9°
31
12°
-2°
1
18°
-9°
2
18°
-7°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Glenboro
Glenboro's December 2026 forecast shows daily high temperatures ranging from 12° to 34°, with overnight lows between -11° and 17°. The average high for December is 26° with an average low of 6°. 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 Glenboro. See also: January | February | March.
