S
M
T
W
T
F
S
29
49°
32°
30
44°
30°
1
44°
32°
2
43°
38°
3
51°
39°
4
56°
33°
5
49°
34°
6
44°
34°
7
48°
36°
8
51°
38°
9
50°
31°
10
50°
37°
11
51°
39°
12
Hist. Avg.
45°
25°
13
Hist. Avg.
44°
25°
14
Hist. Avg.
44°
25°
15
Hist. Avg.
44°
24°
16
Hist. Avg.
44°
24°
17
Hist. Avg.
43°
24°
18
Hist. Avg.
43°
24°
19
Hist. Avg.
43°
23°
20
Hist. Avg.
43°
23°
21
Hist. Avg.
42°
23°
22
Hist. Avg.
42°
22°
23
Hist. Avg.
42°
22°
24
Hist. Avg.
42°
22°
25
Hist. Avg.
42°
22°
26
Hist. Avg.
41°
22°
27
Hist. Avg.
41°
22°
28
Hist. Avg.
41°
21°
29
Hist. Avg.
41°
21°
30
Hist. Avg.
40°
21°
31
Hist. Avg.
40°
21°
1
Hist. Avg.
40°
21°
2
Hist. Avg.
40°
20°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Flanders
Flanders's December 2026 forecast shows daily high temperatures ranging from 43° to 56°, with overnight lows between 30° and 39°. The average high for December is 48° with an average low of 35°. 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 Flanders. See also: January | February | March.
