S
M
T
W
T
F
S
29
44°
33°
30
42°
32°
1
42°
31°
2
43°
31°
3
42°
34°
4
44°
34°
5
44°
35°
6
43°
39°
7
41°
40°
8
41°
40°
9
42°
32°
10
41°
31°
11
51°
36°
12
49°
40°
13
46°
35°
14
51°
32°
15
42°
29°
16
39°
30°
17
38°
32°
18
41°
35°
19
45°
37°
20
46°
38°
21
48°
38°
22
49°
37°
23
49°
39°
24
48°
41°
25
52°
33°
26
52°
31°
27
49°
29°
28
38°
32°
29
39°
36°
30
47°
35°
31
46°
38°
1
49°
39°
2
50°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in East Flatbush
East Flatbush's December 2026 forecast shows daily high temperatures ranging from 38° to 52°, with overnight lows between 29° and 41°. The average high for December is 45° 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 East Flatbush. See also: January | February | March.