S
M
T
W
T
F
S
29
47°
26°
30
46°
21°
1
44°
14°
2
41°
13°
3
37°
11°
4
38°
14°
5
43°
18°
6
47°
25°
7
48°
24°
8
41°
21°
9
42°
18°
10
47°
17°
11
Hist. Avg.
44°
18°
12
Hist. Avg.
43°
18°
13
Hist. Avg.
43°
18°
14
Hist. Avg.
43°
18°
15
Hist. Avg.
43°
18°
16
Hist. Avg.
42°
17°
17
Hist. Avg.
42°
17°
18
Hist. Avg.
42°
17°
19
Hist. Avg.
42°
17°
20
Hist. Avg.
42°
17°
21
Hist. Avg.
42°
16°
22
Hist. Avg.
42°
16°
23
Hist. Avg.
42°
16°
24
Hist. Avg.
42°
16°
25
Hist. Avg.
42°
16°
26
Hist. Avg.
42°
16°
27
Hist. Avg.
42°
16°
28
Hist. Avg.
42°
16°
29
Hist. Avg.
42°
16°
30
Hist. Avg.
42°
16°
31
Hist. Avg.
42°
16°
1
Hist. Avg.
42°
16°
2
Hist. Avg.
42°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Cortez
Cortez's December 2026 forecast shows daily high temperatures ranging from 37° to 48°, with overnight lows between 11° and 26°. The average high for December is 43° with an average low of 19°. 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 Cortez. See also: January | February | March.
