S
M
T
W
T
F
S
29
30°
18°
30
28°
20°
1
28°
20°
2
34°
16°
3
32°
13°
4
27°
3°
5
30°
2°
6
18°
2°
7
15°
1°
8
16°
1°
9
15°
7°
10
21°
19°
11
35°
13°
12
34°
14°
13
31°
5°
14
27°
10°
15
21°
4°
16
23°
4°
17
21°
2°
18
17°
12°
19
23°
4°
20
27°
4°
21
20°
3°
22
18°
8°
23
19°
18°
24
33°
22°
25
35°
18°
26
35°
17°
27
34°
18°
28
27°
16°
29
29°
15°
30
27°
14°
31
30°
15°
1
31°
11°
2
30°
2°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gateway
Gateway's December 2026 forecast shows daily high temperatures ranging from 15° to 35°, with overnight lows between 1° and 22°. The average high for December is 26° with an average low of 11°. 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 Gateway. See also: January | February | March.
