S
M
T
W
T
F
S
29
54°
30°
30
44°
28°
1
44°
32°
2
42°
35°
3
45°
30°
4
46°
26°
5
42°
26°
6
41°
25°
7
41°
24°
8
38°
22°
9
39°
21°
10
37°
20°
11
36°
28°
12
44°
26°
13
43°
32°
14
45°
34°
15
Hist. Avg.
40°
26°
16
Hist. Avg.
40°
26°
17
Hist. Avg.
40°
26°
18
Hist. Avg.
39°
26°
19
Hist. Avg.
39°
26°
20
Hist. Avg.
39°
25°
21
Hist. Avg.
39°
25°
22
Hist. Avg.
38°
25°
23
Hist. Avg.
38°
25°
24
Hist. Avg.
38°
24°
25
Hist. Avg.
38°
24°
26
Hist. Avg.
38°
24°
27
Hist. Avg.
37°
24°
28
Hist. Avg.
37°
23°
29
Hist. Avg.
37°
23°
30
Hist. Avg.
37°
23°
31
Hist. Avg.
37°
23°
1
Hist. Avg.
37°
23°
2
Hist. Avg.
36°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Norwalk
Norwalk's December 2026 forecast shows daily high temperatures ranging from 36° to 54°, with overnight lows between 20° and 35°. The average high for December is 43° with an average low of 27°. 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.
