S
M
T
W
T
F
S
29
44°
25°
30
50°
25°
1
53°
32°
2
53°
33°
3
47°
33°
4
47°
26°
5
48°
24°
6
45°
26°
7
49°
29°
8
47°
28°
9
51°
28°
10
55°
29°
11
54°
27°
12
53°
26°
13
51°
26°
14
52°
31°
15
51°
28°
16
46°
31°
17
Hist. Avg.
46°
25°
18
Hist. Avg.
46°
25°
19
Hist. Avg.
46°
25°
20
Hist. Avg.
46°
25°
21
Hist. Avg.
46°
25°
22
Hist. Avg.
46°
25°
23
Hist. Avg.
46°
25°
24
Hist. Avg.
46°
25°
25
Hist. Avg.
46°
25°
26
Hist. Avg.
46°
25°
27
Hist. Avg.
46°
25°
28
Hist. Avg.
46°
25°
29
Hist. Avg.
46°
25°
30
Hist. Avg.
46°
25°
31
Hist. Avg.
46°
25°
1
Hist. Avg.
46°
25°
2
Hist. Avg.
46°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Reno
Reno's December 2026 forecast shows daily high temperatures ranging from 44° to 55°, with overnight lows between 24° and 33°. The average high for December is 50° with an average low of 28°. 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 Reno. See also: January | February | March.
