S
M
T
W
T
F
S
29
63°
39°
30
56°
38°
1
56°
36°
2
57°
37°
3
58°
38°
4
56°
41°
5
56°
40°
6
58°
39°
7
58°
45°
8
59°
44°
9
57°
46°
10
58°
47°
11
61°
46°
12
61°
43°
13
60°
43°
14
59°
44°
15
60°
45°
16
61°
44°
17
60°
41°
18
56°
44°
19
53°
44°
20
52°
43°
21
59°
40°
22
59°
44°
23
55°
46°
24
59°
44°
25
60°
43°
26
56°
45°
27
56°
41°
28
57°
40°
29
55°
37°
30
54°
46°
31
54°
39°
1
50°
42°
2
Hist. Avg.
58°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lafayette
Lafayette's December 2026 forecast shows daily high temperatures ranging from 50° to 63°, with overnight lows between 36° and 47°. The average high for December is 57° with an average low of 42°. 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 Lafayette. See also: January | February | March.
