S
M
T
W
T
F
S
29
61°
41°
30
58°
42°
1
60°
35°
2
46°
28°
3
46°
29°
4
52°
35°
5
53°
38°
6
45°
31°
7
44°
27°
8
43°
24°
9
42°
24°
10
42°
28°
11
48°
29°
12
50°
32°
13
49°
27°
14
45°
26°
15
45°
30°
16
43°
34°
17
44°
29°
18
46°
24°
19
43°
22°
20
42°
21°
21
40°
23°
22
43°
28°
23
47°
26°
24
42°
23°
25
41°
22°
26
41°
22°
27
42°
23°
28
42°
22°
29
41°
26°
30
42°
23°
31
42°
21°
1
40°
17°
2
39°
18°
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 39° to 61°, with overnight lows between 17° and 42°. The average high for December is 45° 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 Lynn. See also: January | February | March.
