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