S
M
T
W
T
F
S
29
35°
30°
30
40°
31°
1
43°
30°
2
37°
28°
3
35°
27°
4
42°
28°
5
44°
21°
6
31°
19°
7
31°
24°
8
36°
29°
9
38°
29°
10
37°
28°
11
40°
28°
12
41°
27°
13
35°
22°
14
30°
19°
15
27°
18°
16
29°
23°
17
34°
25°
18
37°
26°
19
41°
26°
20
37°
25°
21
38°
24°
22
33°
22°
23
31°
23°
24
38°
26°
25
27°
9°
26
29°
8°
27
28°
10°
28
27°
21°
29
32°
20°
30
35°
13°
31
29°
8°
1
29°
12°
2
28°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Delphi Falls
Delphi Falls's December 2026 forecast shows daily high temperatures ranging from 27° to 44°, with overnight lows between 8° and 31°. The average high for December is 34° with an average low of 22°. 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 Delphi Falls. See also: January | February | March.