S
M
T
W
T
F
S
29
49°
42°
30
53°
46°
1
54°
45°
2
53°
45°
3
55°
44°
4
50°
41°
5
52°
38°
6
50°
43°
7
53°
41°
8
45°
37°
9
43°
35°
10
42°
34°
11
40°
38°
12
42°
37°
13
45°
35°
14
41°
32°
15
42°
33°
16
41°
36°
17
42°
35°
18
41°
39°
19
49°
37°
20
47°
28°
21
41°
29°
22
38°
30°
23
36°
34°
24
39°
32°
25
45°
31°
26
47°
23°
27
38°
23°
28
34°
25°
29
36°
25°
30
36°
34°
31
41°
34°
1
50°
27°
2
46°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Manhattan
Manhattan's December 2026 forecast shows daily high temperatures ranging from 34° to 55°, with overnight lows between 23° and 46°. The average high for December is 44° with an average low of 35°. 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 Manhattan. See also: January | February | March.
