S
M
T
W
T
F
S
29
54°
42°
30
57°
40°
1
56°
32°
2
54°
30°
3
46°
32°
4
45°
37°
5
51°
32°
6
49°
30°
7
43°
37°
8
52°
33°
9
52°
29°
10
45°
25°
11
40°
22°
12
38°
22°
13
36°
26°
14
39°
20°
15
38°
21°
16
35°
22°
17
36°
23°
18
45°
23°
19
43°
26°
20
37°
31°
21
42°
32°
22
43°
30°
23
41°
29°
24
39°
31°
25
49°
31°
26
50°
30°
27
36°
28°
28
37°
24°
29
Hist. Avg.
41°
26°
30
Hist. Avg.
41°
26°
31
Hist. Avg.
41°
26°
1
Hist. Avg.
40°
26°
2
Hist. Avg.
40°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Niantic
Niantic's December 2026 forecast shows daily high temperatures ranging from 35° to 57°, with overnight lows between 20° and 42°. The average high for December is 44° 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 Niantic. See also: January | February | March.
