S
M
T
W
T
F
S
29
73°
56°
30
71°
58°
1
70°
50°
2
63°
45°
3
60°
44°
4
61°
49°
5
64°
51°
6
62°
45°
7
58°
44°
8
57°
45°
9
57°
43°
10
58°
42°
11
58°
43°
12
59°
44°
13
60°
43°
14
61°
51°
15
62°
50°
16
70°
46°
17
67°
47°
18
65°
42°
19
60°
39°
20
56°
40°
21
56°
42°
22
58°
42°
23
60°
41°
24
58°
40°
25
58°
40°
26
57°
41°
27
57°
40°
28
58°
41°
29
59°
45°
30
60°
41°
31
61°
39°
1
56°
38°
2
55°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Harvey
Harvey's December 2026 forecast shows daily high temperatures ranging from 55° to 73°, with overnight lows between 38° and 58°. The average high for December is 61° with an average low of 44°. 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 Harvey. See also: January | February | March.
