S
M
T
W
T
F
S
29
79°
60°
30
80°
58°
1
81°
57°
2
77°
60°
3
79°
50°
4
81°
49°
5
74°
56°
6
71°
57°
7
75°
53°
8
78°
49°
9
77°
49°
10
69°
48°
11
69°
46°
12
70°
46°
13
68°
48°
14
69°
50°
15
69°
55°
16
72°
56°
17
77°
55°
18
76°
52°
19
76°
50°
20
70°
46°
21
69°
45°
22
68°
46°
23
68°
54°
24
72°
48°
25
76°
45°
26
69°
47°
27
68°
55°
28
74°
54°
29
76°
53°
30
68°
54°
31
69°
47°
1
70°
46°
2
Hist. Avg.
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Lithia
Lithia's December 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 45° and 60°. The average high for December is 73° with an average low of 51°. 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 Lithia. See also: January | February | March.