S
M
T
W
T
F
S
29
36°
22°
30
26°
8°
1
21°
4°
2
23°
1°
3
21°
-2°
4
17°
4°
5
19°
15°
6
24°
15°
7
26°
12°
8
27°
1°
9
24°
0°
10
20°
9°
11
21°
11°
12
24°
8°
13
27°
-1°
14
20°
-7°
15
15°
-7°
16
11°
10°
17
28°
12°
18
29°
13°
19
30°
11°
20
32°
12°
21
28°
11°
22
29°
10°
23
28°
7°
24
24°
7°
25
23°
8°
26
25°
6°
27
26°
5°
28
26°
5°
29
18°
6°
30
22°
3°
31
21°
-1°
1
15°
2°
2
14°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ada
Ada's December 2026 forecast shows daily high temperatures ranging from 11° to 36°, with overnight lows between -7° and 22°. The average high for December is 23° 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 Ada. See also: January | February | March.
