S
M
T
W
T
F
S
30
48°
36°
1
55°
48°
2
48°
43°
3
50°
41°
4
46°
37°
5
52°
43°
6
54°
48°
7
57°
48°
8
54°
50°
9
59°
52°
10
54°
46°
11
54°
45°
12
52°
45°
13
50°
45°
14
54°
46°
15
50°
46°
16
50°
34°
17
54°
37°
18
52°
46°
19
50°
43°
20
48°
43°
21
50°
43°
22
50°
48°
23
48°
43°
24
43°
37°
25
43°
37°
26
41°
37°
27
45°
37°
28
45°
41°
29
43°
39°
30
43°
36°
31
41°
30°
1
46°
36°
2
41°
32°
3
39°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Blackrock
Blackrock's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Blackrock. See also: January | February | March.
