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