S
M
T
W
T
F
S
29
60°
41°
30
54°
42°
1
60°
43°
2
58°
39°
3
52°
36°
4
47°
34°
5
52°
38°
6
47°
30°
7
43°
27°
8
47°
34°
9
43°
29°
10
42°
32°
11
43°
29°
12
44°
36°
13
43°
36°
14
43°
35°
15
51°
34°
16
50°
35°
17
56°
36°
18
56°
34°
19
47°
34°
20
42°
31°
21
50°
32°
22
55°
25°
23
51°
20°
24
42°
25°
25
48°
31°
26
55°
35°
27
55°
36°
28
57°
33°
29
57°
23°
30
50°
30°
31
52°
18°
1
52°
17°
2
41°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hydro
Hydro's December 2026 forecast shows daily high temperatures ranging from 41° to 60°, with overnight lows between 17° and 43°. The average high for December is 50° with an average low of 32°. 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 Hydro. See also: January | February | March.
