S
M
T
W
T
F
S
29
29°
16°
30
32°
17°
1
35°
19°
2
36°
17°
3
37°
17°
4
36°
15°
5
36°
15°
6
33°
16°
7
29°
9°
8
30°
5°
9
30°
7°
10
27°
-3°
11
31°
3°
12
29°
9°
13
Hist. Avg.
19°
1°
14
Hist. Avg.
18°
0°
15
Hist. Avg.
18°
0°
16
Hist. Avg.
18°
0°
17
Hist. Avg.
17°
-1°
18
Hist. Avg.
17°
-1°
19
Hist. Avg.
17°
-1°
20
Hist. Avg.
17°
-2°
21
Hist. Avg.
16°
-2°
22
Hist. Avg.
16°
-2°
23
Hist. Avg.
16°
-2°
24
Hist. Avg.
16°
-3°
25
Hist. Avg.
16°
-3°
26
Hist. Avg.
15°
-3°
27
Hist. Avg.
15°
-3°
28
Hist. Avg.
15°
-3°
29
Hist. Avg.
15°
-4°
30
Hist. Avg.
15°
-4°
31
Hist. Avg.
15°
-4°
1
Hist. Avg.
16°
-3°
2
Hist. Avg.
15°
-4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Rocklake
Rocklake's December 2026 forecast shows daily high temperatures ranging from 27° to 37°, with overnight lows between -3° and 19°. The average high for December is 32° with an average low of 12°. 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 Rocklake. See also: January | February | March.
