S
M
T
W
T
F
S
29
46°
20°
30
39°
15°
1
37°
14°
2
39°
22°
3
44°
23°
4
38°
17°
5
37°
15°
6
37°
12°
7
35°
11°
8
37°
15°
9
44°
16°
10
45°
14°
11
44°
19°
12
45°
22°
13
47°
22°
14
41°
20°
15
39°
24°
16
42°
17°
17
39°
14°
18
38°
13°
19
39°
14°
20
38°
15°
21
40°
16°
22
39°
15°
23
39°
17°
24
40°
15°
25
40°
25°
26
41°
24°
27
46°
14°
28
40°
13°
29
38°
16°
30
40°
13°
31
39°
15°
1
39°
21°
2
43°
22°
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 35° to 47°, with overnight lows between 11° and 25°. The average high for December is 40° with an average low of 17°. 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.
