S
M
T
W
T
F
S
29
52°
30°
30
49°
28°
1
38°
26°
2
37°
29°
3
40°
31°
4
44°
34°
5
48°
38°
6
48°
41°
7
52°
35°
8
52°
33°
9
48°
32°
10
42°
30°
11
43°
27°
12
39°
26°
13
37°
27°
14
36°
23°
15
35°
24°
16
33°
22°
17
32°
18°
18
31°
22°
19
31°
19°
20
32°
27°
21
36°
33°
22
43°
32°
23
45°
28°
24
41°
25°
25
36°
16°
26
33°
16°
27
29°
27°
28
38°
19°
29
37°
15°
30
29°
14°
31
28°
23°
1
31°
25°
2
39°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Conneaut
Conneaut's December 2026 forecast shows daily high temperatures ranging from 28° to 52°, with overnight lows between 14° and 41°. The average high for December is 39° with an average low of 26°. 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 Conneaut. See also: January | February | March.
