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