S
M
T
W
T
F
S
29
55°
33°
30
51°
25°
1
40°
23°
2
41°
27°
3
51°
32°
4
46°
32°
5
46°
30°
6
44°
25°
7
39°
21°
8
38°
25°
9
44°
28°
10
46°
30°
11
50°
30°
12
52°
29°
13
50°
30°
14
43°
27°
15
46°
26°
16
46°
23°
17
42°
15°
18
38°
14°
19
39°
10°
20
33°
15°
21
35°
23°
22
41°
16°
23
41°
21°
24
42°
17°
25
40°
23°
26
45°
27°
27
46°
27°
28
43°
25°
29
41°
24°
30
41°
16°
31
39°
13°
1
36°
17°
2
37°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lewis
Lewis's December 2026 forecast shows daily high temperatures ranging from 33° to 55°, with overnight lows between 10° and 33°. The average high for December is 43° with an average low of 24°. 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 Lewis. See also: January | February | March.
