S
M
T
W
T
F
S
30
84°
55°
1
90°
54°
2
93°
59°
3
88°
55°
4
92°
57°
5
92°
65°
6
94°
61°
7
94°
58°
8
96°
64°
9
100°
59°
10
94°
57°
11
95°
62°
12
74°
62°
13
81°
56°
14
88°
51°
15
91°
65°
16
92°
65°
17
82°
59°
18
90°
57°
19
91°
63°
20
89°
64°
21
88°
64°
22
87°
65°
23
89°
66°
24
92°
63°
25
94°
62°
26
98°
61°
27
96°
62°
28
97°
56°
29
101°
61°
30
101°
67°
31
97°
63°
1
96°
62°
2
95°
59°
3
95°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Salt Lake
Salt Lake'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 Salt Lake. See also: January | February | March.
