S
M
T
W
T
F
S
29
54°
34°
30
55°
46°
1
59°
46°
2
55°
43°
3
53°
44°
4
54°
43°
5
54°
40°
6
61°
44°
7
61°
39°
8
58°
38°
9
61°
38°
10
59°
44°
11
67°
29°
12
68°
25°
13
48°
27°
14
51°
29°
15
50°
28°
16
54°
33°
17
56°
41°
18
57°
42°
19
66°
41°
20
64°
36°
21
66°
42°
22
64°
43°
23
69°
28°
24
67°
24°
25
50°
24°
26
48°
27°
27
54°
41°
28
61°
43°
29
66°
43°
30
66°
45°
31
65°
41°
1
67°
34°
2
67°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Joshua
Joshua's December 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 24° and 46°. The average high for December is 59° with an average low of 37°. 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 Joshua. See also: January | February | March.