S
M
T
W
T
F
S
29
44°
28°
30
43°
29°
1
37°
28°
2
42°
28°
3
38°
29°
4
41°
28°
5
47°
28°
6
48°
27°
7
46°
26°
8
44°
25°
9
36°
25°
10
35°
26°
11
39°
14°
12
33°
11°
13
32°
18°
14
37°
23°
15
43°
22°
16
42°
23°
17
44°
23°
18
42°
22°
19
42°
23°
20
45°
22°
21
42°
22°
22
42°
18°
23
41°
10°
24
37°
8°
25
28°
15°
26
37°
21°
27
38°
22°
28
38°
20°
29
43°
22°
30
42°
21°
31
41°
17°
1
38°
6°
2
38°
4°
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 28° to 48°, with overnight lows between 4° and 29°. The average high for December is 40° with an average low of 21°. 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.
