S
M
T
W
T
F
S
29
49°
39°
30
52°
38°
1
48°
35°
2
43°
33°
3
40°
32°
4
46°
34°
5
49°
36°
6
40°
33°
7
36°
26°
8
34°
23°
9
34°
25°
10
37°
29°
11
41°
32°
12
42°
30°
13
41°
29°
14
35°
22°
15
36°
27°
16
37°
31°
17
40°
28°
18
39°
24°
19
36°
19°
20
33°
18°
21
30°
19°
22
31°
24°
23
36°
26°
24
35°
26°
25
33°
17°
26
33°
15°
27
31°
16°
28
30°
16°
29
29°
18°
30
30°
21°
31
31°
16°
1
31°
11°
2
29°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lerna
Lerna's December 2026 forecast shows daily high temperatures ranging from 29° to 52°, with overnight lows between 10° and 39°. The average high for December is 37° with an average low of 25°. 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 Lerna. See also: January | February | March.
