S
M
T
W
T
F
S
29
25°
14°
30
25°
15°
1
26°
18°
2
26°
24°
3
32°
25°
4
32°
20°
5
33°
16°
6
29°
14°
7
27°
17°
8
24°
17°
9
30°
21°
10
26°
20°
11
27°
18°
12
Hist. Avg.
39°
31°
13
Hist. Avg.
39°
31°
14
Hist. Avg.
39°
31°
15
Hist. Avg.
38°
31°
16
Hist. Avg.
38°
31°
17
Hist. Avg.
38°
31°
18
Hist. Avg.
38°
31°
19
Hist. Avg.
38°
31°
20
Hist. Avg.
38°
31°
21
Hist. Avg.
38°
31°
22
Hist. Avg.
38°
31°
23
Hist. Avg.
38°
30°
24
Hist. Avg.
38°
30°
25
Hist. Avg.
38°
30°
26
Hist. Avg.
38°
30°
27
Hist. Avg.
38°
30°
28
Hist. Avg.
38°
30°
29
Hist. Avg.
38°
30°
30
Hist. Avg.
38°
30°
31
Hist. Avg.
38°
30°
1
Hist. Avg.
39°
31°
2
Hist. Avg.
39°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in East Whatcom
East Whatcom's December 2026 forecast shows daily high temperatures ranging from 24° to 33°, with overnight lows between 14° and 25°. The average high for December is 28° with an average low of 18°. 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 East Whatcom. See also: January | February | March.
