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