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