S
M
T
W
T
F
S
29
64°
42°
30
66°
33°
1
52°
29°
2
50°
28°
3
53°
37°
4
57°
38°
5
52°
35°
6
50°
31°
7
50°
26°
8
47°
26°
9
48°
27°
10
48°
29°
11
52°
29°
12
58°
34°
13
54°
35°
14
52°
28°
15
50°
27°
16
49°
30°
17
48°
27°
18
47°
24°
19
46°
23°
20
46°
25°
21
49°
28°
22
53°
27°
23
47°
24°
24
45°
23°
25
45°
25°
26
46°
30°
27
48°
27°
28
48°
25°
29
47°
24°
30
46°
25°
31
47°
22°
1
45°
24°
2
46°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Bellevue
Bellevue's December 2026 forecast shows daily high temperatures ranging from 45° to 66°, with overnight lows between 22° and 42°. The average high for December is 50° with an average low of 29°. 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 Bellevue. See also: January | February | March.
