S
M
T
W
T
F
S
29
66°
47°
30
65°
46°
1
65°
45°
2
64°
47°
3
64°
45°
4
59°
40°
5
59°
43°
6
60°
46°
7
60°
42°
8
59°
43°
9
57°
46°
10
55°
39°
11
56°
37°
12
54°
37°
13
55°
38°
14
54°
37°
15
55°
38°
16
55°
38°
17
57°
39°
18
59°
38°
19
59°
42°
20
58°
40°
21
60°
42°
22
61°
42°
23
59°
37°
24
56°
37°
25
55°
36°
26
55°
35°
27
56°
37°
28
57°
38°
29
62°
40°
30
62°
39°
31
63°
45°
1
62°
45°
2
63°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Agnew
Agnew's December 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 35° and 47°. The average high for December is 59° with an average low of 41°. 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 Agnew. See also: January | February | March.