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