S
M
T
W
T
F
S
30
78°
58°
1
74°
45°
2
69°
44°
3
82°
51°
4
85°
65°
5
92°
67°
6
97°
71°
7
79°
63°
8
89°
53°
9
94°
66°
10
91°
66°
11
84°
59°
12
79°
58°
13
84°
58°
14
86°
62°
15
86°
62°
16
87°
57°
17
87°
62°
18
92°
67°
19
96°
71°
20
98°
70°
21
98°
73°
22
80°
71°
23
85°
65°
24
86°
57°
25
85°
63°
26
81°
52°
27
82°
47°
28
81°
51°
29
85°
50°
30
89°
56°
31
85°
67°
1
88°
62°
2
89°
54°
3
89°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Leadville
Leadville's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Leadville. See also: January | February | March.
