S
M
T
W
T
F
S
30
17°
2°
1
32°
11°
2
49°
9°
3
39°
18°
4
41°
19°
5
53°
18°
6
55°
16°
7
33°
20°
8
59°
15°
9
66°
23°
10
48°
31°
11
65°
27°
12
41°
19°
13
19°
6°
14
27°
4°
15
62°
16°
16
63°
16°
17
59°
20°
18
51°
13°
19
57°
13°
20
47°
21°
21
53°
28°
22
73°
24°
23
57°
28°
24
68°
27°
25
51°
23°
26
70°
28°
27
68°
27°
28
52°
13°
29
35°
11°
30
55°
11°
31
64°
17°
1
53°
22°
2
36°
27°
3
61°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Farnam
Farnam's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Farnam. See also: January | February | March.