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