S
M
T
W
T
F
S
29
48°
37°
30
52°
40°
1
53°
39°
2
51°
39°
3
53°
37°
4
49°
36°
5
51°
34°
6
49°
36°
7
52°
35°
8
44°
32°
9
41°
30°
10
41°
28°
11
39°
32°
12
41°
31°
13
42°
29°
14
40°
25°
15
39°
26°
16
40°
27°
17
39°
28°
18
38°
32°
19
47°
31°
20
47°
23°
21
40°
24°
22
36°
24°
23
35°
26°
24
39°
26°
25
41°
24°
26
46°
19°
27
36°
18°
28
31°
20°
29
35°
19°
30
35°
26°
31
37°
28°
1
48°
21°
2
45°
17°
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 31° to 53°, with overnight lows between 17° and 40°. The average high for December is 43° with an average low of 29°. 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.
