S
M
T
W
T
F
S
29
33°
24°
30
42°
16°
1
31°
8°
2
29°
10°
3
28°
7°
4
27°
17°
5
28°
20°
6
31°
19°
7
33°
18°
8
31°
11°
9
30°
11°
10
27°
15°
11
30°
16°
12
34°
13°
13
34°
7°
14
27°
5°
15
24°
7°
16
21°
17°
17
34°
19°
18
38°
20°
19
40°
17°
20
40°
18°
21
37°
17°
22
38°
15°
23
35°
14°
24
33°
15°
25
32°
17°
26
34°
15°
27
37°
13°
28
34°
12°
29
26°
13°
30
28°
1°
31
26°
-2°
1
21°
0°
2
20°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Agar
Agar's December 2026 forecast shows daily high temperatures ranging from 20° to 42°, with overnight lows between -2° and 24°. The average high for December is 31° with an average low of 13°. 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 Agar. See also: January | February | March.