S
M
T
W
T
F
S
29
38°
24°
30
37°
22°
1
36°
22°
2
40°
23°
3
44°
23°
4
42°
22°
5
41°
22°
6
39°
21°
7
40°
21°
8
40°
27°
9
36°
22°
10
35°
21°
11
37°
21°
12
40°
22°
13
38°
20°
14
37°
20°
15
36°
21°
16
33°
19°
17
33°
20°
18
34°
20°
19
35°
19°
20
35°
19°
21
38°
25°
22
41°
25°
23
41°
22°
24
40°
24°
25
34°
20°
26
35°
22°
27
36°
29°
28
38°
30°
29
39°
29°
30
41°
29°
31
39°
28°
1
40°
28°
2
41°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Flintsbach
Flintsbach'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 Flintsbach. See also: January | February | March.