S
M
T
W
T
F
S
29
53°
43°
30
62°
43°
1
61°
42°
2
60°
38°
3
50°
32°
4
54°
34°
5
58°
42°
6
56°
36°
7
49°
35°
8
48°
30°
9
48°
32°
10
49°
30°
11
47°
28°
12
47°
30°
13
50°
27°
14
50°
28°
15
50°
36°
16
52°
38°
17
51°
35°
18
58°
30°
19
52°
26°
20
48°
24°
21
45°
25°
22
47°
28°
23
50°
29°
24
46°
26°
25
46°
25°
26
45°
25°
27
46°
26°
28
46°
26°
29
47°
31°
30
51°
28°
31
52°
26°
1
46°
22°
2
45°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lynn
Lynn's December 2026 forecast shows daily high temperatures ranging from 45° to 62°, with overnight lows between 21° and 43°. The average high for December is 50° with an average low of 31°. 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 Lynn. See also: January | February | March.
