S
M
T
W
T
F
S
29
37°
23°
30
37°
22°
1
38°
23°
2
41°
23°
3
44°
24°
4
41°
22°
5
42°
23°
6
40°
22°
7
42°
22°
8
39°
26°
9
34°
23°
10
36°
22°
11
38°
21°
12
40°
22°
13
39°
21°
14
39°
21°
15
38°
20°
16
34°
20°
17
35°
21°
18
34°
20°
19
36°
19°
20
36°
19°
21
38°
20°
22
41°
26°
23
42°
21°
24
40°
23°
25
33°
20°
26
35°
22°
27
36°
29°
28
37°
30°
29
38°
30°
30
40°
29°
31
39°
30°
1
39°
28°
2
40°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Triftern
Triftern's December 2026 forecast shows daily high temperatures ranging from 33° to 44°, with overnight lows between 19° and 30°. The average high for December is 38° with an average low of 23°. 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 Triftern. See also: January | February | March.
