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