S
M
T
W
T
F
S
29
45°
23°
30
45°
23°
1
42°
22°
2
44°
23°
3
44°
23°
4
43°
22°
5
43°
22°
6
41°
21°
7
42°
21°
8
43°
22°
9
42°
21°
10
43°
21°
11
29°
12°
12
30°
15°
13
38°
18°
14
39°
19°
15
43°
22°
16
46°
21°
17
42°
19°
18
43°
18°
19
40°
13°
20
38°
15°
21
37°
15°
22
39°
6°
23
33°
7°
24
29°
15°
25
38°
16°
26
37°
17°
27
37°
2°
28
34°
0°
29
27°
2°
30
26°
2°
31
27°
0°
1
25°
-3°
2
22°
-1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Whitlash
Whitlash's December 2026 forecast shows daily high temperatures ranging from 22° to 46°, with overnight lows between -3° and 23°. The average high for December is 38° with an average low of 15°. 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 Whitlash. See also: January | February | March.