S
M
T
W
T
F
S
29
50°
41°
30
59°
38°
1
60°
34°
2
54°
35°
3
58°
29°
4
57°
27°
5
44°
26°
6
43°
25°
7
43°
26°
8
44°
29°
9
44°
30°
10
57°
33°
11
43°
29°
12
44°
29°
13
43°
27°
14
43°
26°
15
42°
23°
16
41°
20°
17
38°
24°
18
39°
33°
19
46°
36°
20
48°
30°
21
53°
30°
22
46°
38°
23
55°
39°
24
55°
36°
25
54°
34°
26
53°
34°
27
47°
36°
28
51°
38°
29
53°
38°
30
54°
39°
31
56°
35°
1
56°
32°
2
52°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in La Plata
La Plata's December 2026 forecast shows daily high temperatures ranging from 38° to 60°, with overnight lows between 20° and 41°. The average high for December is 49° with an average low of 32°. 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 La Plata. See also: January | February | March.
