S
M
T
W
T
F
S
29
44°
41°
30
45°
39°
1
49°
38°
2
49°
38°
3
46°
42°
4
50°
40°
5
51°
36°
6
51°
35°
7
43°
38°
8
43°
38°
9
46°
34°
10
45°
35°
11
43°
34°
12
44°
41°
13
48°
41°
14
49°
37°
15
49°
42°
16
50°
38°
17
49°
34°
18
43°
33°
19
42°
34°
20
42°
35°
21
43°
40°
22
48°
41°
23
49°
40°
24
49°
40°
25
47°
39°
26
47°
35°
27
44°
38°
28
44°
39°
29
46°
39°
30
47°
38°
31
47°
38°
1
46°
37°
2
47°
38°
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 51°, with overnight lows between 33° and 42°. The average high for December is 46° with an average low of 38°. 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.