S
M
T
W
T
F
S
29
39°
24°
30
37°
24°
1
37°
19°
2
38°
23°
3
39°
23°
4
36°
22°
5
38°
21°
6
43°
21°
7
39°
22°
8
42°
22°
9
44°
20°
10
36°
17°
11
34°
9°
12
33°
10°
13
34°
14°
14
40°
11°
15
38°
18°
16
44°
20°
17
45°
18°
18
40°
18°
19
40°
21°
20
39°
17°
21
39°
21°
22
43°
14°
23
40°
5°
24
32°
8°
25
31°
12°
26
40°
18°
27
43°
15°
28
43°
15°
29
39°
21°
30
42°
22°
31
43°
14°
1
39°
7°
2
32°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Tierra Amarilla
Tierra Amarilla's December 2026 forecast shows daily high temperatures ranging from 31° to 45°, with overnight lows between 5° and 24°. The average high for December is 39° with an average low of 17°. 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 Tierra Amarilla. See also: January | February | March.