S
M
T
W
T
F
S
29
72°
53°
30
70°
55°
1
72°
46°
2
60°
42°
3
60°
41°
4
61°
47°
5
66°
48°
6
61°
43°
7
58°
41°
8
57°
42°
9
55°
40°
10
56°
39°
11
58°
40°
12
59°
40°
13
60°
43°
14
61°
48°
15
61°
45°
16
65°
44°
17
61°
43°
18
64°
40°
19
58°
37°
20
56°
39°
21
57°
40°
22
59°
39°
23
58°
40°
24
56°
38°
25
57°
38°
26
56°
39°
27
57°
38°
28
58°
40°
29
58°
40°
30
56°
39°
31
58°
37°
1
56°
36°
2
55°
39°
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 55° to 72°, with overnight lows between 36° and 55°. The average high for December is 60° 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.
