S
M
T
W
T
F
S
29
47°
22°
30
42°
19°
1
42°
21°
2
44°
15°
3
43°
22°
4
44°
25°
5
51°
29°
6
51°
22°
7
42°
19°
8
42°
21°
9
43°
15°
10
38°
18°
11
39°
19°
12
48°
21°
13
44°
16°
14
38°
19°
15
42°
20°
16
44°
18°
17
42°
19°
18
46°
24°
19
45°
23°
20
48°
16°
21
39°
17°
22
37°
11°
23
37°
14°
24
36°
13°
25
40°
14°
26
46°
21°
27
38°
14°
28
46°
13°
29
39°
12°
30
Hist. Avg.
43°
18°
31
Hist. Avg.
43°
18°
1
Hist. Avg.
43°
18°
2
Hist. Avg.
43°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Lone Tree
Lone Tree's December 2026 forecast shows daily high temperatures ranging from 36° to 51°, with overnight lows between 11° and 29°. The average high for December is 43° with an average low of 18°. 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 Lone Tree. See also: January | February | March.
