S
M
T
W
T
F
S
29
52°
33°
30
51°
32°
1
51°
33°
2
52°
34°
3
52°
42°
4
53°
42°
5
55°
44°
6
56°
41°
7
51°
39°
8
50°
37°
9
50°
35°
10
49°
32°
11
60°
44°
12
63°
39°
13
64°
31°
14
65°
30°
15
48°
31°
16
49°
28°
17
48°
31°
18
48°
41°
19
58°
42°
20
61°
42°
21
62°
40°
22
62°
39°
23
60°
41°
24
61°
39°
25
64°
32°
26
64°
28°
27
48°
30°
28
49°
38°
29
56°
40°
30
59°
39°
31
60°
42°
1
62°
43°
2
62°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Windsor
Windsor's December 2026 forecast shows daily high temperatures ranging from 48° to 65°, with overnight lows between 28° and 44°. The average high for December is 56° with an average low of 37°. 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 Windsor. See also: January | February | March.
