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