S
M
T
W
T
F
S
29
42°
29°
30
41°
27°
1
41°
26°
2
40°
26°
3
41°
30°
4
42°
29°
5
44°
30°
6
42°
35°
7
40°
35°
8
41°
34°
9
41°
27°
10
38°
27°
11
50°
29°
12
48°
34°
13
43°
29°
14
49°
28°
15
41°
23°
16
38°
24°
17
36°
28°
18
38°
29°
19
43°
30°
20
44°
32°
21
46°
32°
22
47°
31°
23
47°
33°
24
46°
35°
25
50°
26°
26
50°
26°
27
48°
23°
28
36°
25°
29
36°
30°
30
45°
29°
31
45°
32°
1
47°
34°
2
48°
29°
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 36° to 50°, with overnight lows between 23° and 35°. 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.
