S
M
T
W
T
F
S
29
46°
18°
30
49°
17°
1
48°
16°
2
45°
18°
3
44°
18°
4
45°
19°
5
49°
16°
6
48°
9°
7
38°
11°
8
38°
15°
9
42°
13°
10
41°
11°
11
36°
13°
12
36°
17°
13
39°
10°
14
40°
6°
15
35°
8°
16
35°
9°
17
39°
12°
18
36°
13°
19
40°
16°
20
41°
13°
21
41°
7°
22
35°
6°
23
33°
6°
24
34°
8°
25
34°
10°
26
37°
7°
27
34°
8°
28
34°
4°
29
32°
4°
30
32°
7°
31
35°
6°
1
34°
7°
2
34°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Agate
Agate's December 2026 forecast shows daily high temperatures ranging from 32° to 49°, with overnight lows between 4° and 19°. The average high for December is 39° 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 Agate. See also: January | February | March.
