S
M
T
W
T
F
S
29
51°
26°
30
47°
25°
1
36°
23°
2
37°
25°
3
41°
26°
4
45°
32°
5
47°
36°
6
47°
38°
7
51°
33°
8
51°
29°
9
47°
29°
10
42°
27°
11
41°
23°
12
37°
22°
13
35°
21°
14
34°
19°
15
33°
20°
16
32°
18°
17
32°
16°
18
30°
22°
19
31°
20°
20
34°
26°
21
38°
30°
22
44°
29°
23
44°
24°
24
40°
18°
25
34°
18°
26
31°
19°
27
29°
24°
28
40°
19°
29
38°
15°
30
31°
14°
31
28°
19°
1
30°
24°
2
38°
19°
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 28° to 51°, with overnight lows between 14° and 38°. The average high for December is 38° with an average low of 24°. 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.
