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