S
M
T
W
T
F
S
29
34°
23°
30
34°
29°
1
36°
28°
2
36°
31°
3
38°
32°
4
37°
31°
5
39°
30°
6
37°
20°
7
37°
30°
8
38°
28°
9
39°
27°
10
37°
29°
11
35°
20°
12
39°
28°
13
34°
33°
14
40°
31°
15
38°
33°
16
39°
35°
17
42°
35°
18
44°
32°
19
46°
26°
20
40°
19°
21
36°
22°
22
30°
25°
23
34°
22°
24
33°
18°
25
32°
19°
26
33°
18°
27
31°
27°
28
33°
16°
29
37°
14°
30
31°
17°
31
25°
21°
1
28°
28°
2
35°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lillooet
Lillooet's December 2026 forecast shows daily high temperatures ranging from 25° to 46°, with overnight lows between 14° and 35°. The average high for December is 36° with an average low of 26°. 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 Lillooet. See also: January | February | March.
