S
M
T
W
T
F
S
29
44°
36°
30
46°
34°
1
45°
36°
2
44°
38°
3
44°
41°
4
49°
40°
5
49°
39°
6
48°
40°
7
49°
40°
8
48°
39°
9
49°
40°
10
48°
40°
11
46°
42°
12
49°
38°
13
50°
39°
14
46°
40°
15
48°
41°
16
48°
42°
17
49°
40°
18
49°
40°
19
48°
36°
20
49°
34°
21
43°
37°
22
44°
34°
23
46°
33°
24
43°
34°
25
42°
33°
26
42°
35°
27
43°
38°
28
45°
39°
29
47°
32°
30
46°
33°
31
42°
33°
1
43°
34°
2
43°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Usselby
Usselby's December 2026 forecast shows daily high temperatures ranging from 42° to 50°, with overnight lows between 32° and 42°. The average high for December is 46° with an average low of 37°. 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 Usselby. See also: January | February | March.