S
M
T
W
T
F
S
29
55°
41°
30
56°
37°
1
53°
32°
2
49°
31°
3
42°
37°
4
48°
36°
5
45°
32°
6
44°
37°
7
47°
34°
8
49°
29°
9
48°
32°
10
42°
27°
11
39°
25°
12
35°
26°
13
37°
24°
14
35°
21°
15
34°
22°
16
31°
24°
17
33°
16°
18
38°
18°
19
30°
21°
20
31°
27°
21
38°
32°
22
39°
31°
23
41°
34°
24
44°
33°
25
46°
31°
26
44°
29°
27
34°
20°
28
35°
32°
29
41°
31°
30
Hist. Avg.
37°
25°
31
Hist. Avg.
37°
25°
1
Hist. Avg.
37°
24°
2
Hist. Avg.
37°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Avon Lake
Avon Lake's December 2026 forecast shows daily high temperatures ranging from 30° to 56°, with overnight lows between 16° and 41°. The average high for December is 41° 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 Avon Lake. See also: January | February | March.