S
M
T
W
T
F
S
28
90°
59°
29
94°
61°
30
99°
63°
31
102°
67°
1
83°
59°
2
82°
57°
3
73°
47°
4
76°
44°
5
81°
54°
6
87°
59°
7
83°
57°
8
74°
48°
9
77°
59°
10
67°
59°
11
88°
56°
12
93°
63°
13
88°
67°
14
93°
64°
15
92°
64°
16
83°
59°
17
91°
66°
18
80°
52°
19
73°
50°
20
81°
56°
21
84°
65°
22
84°
68°
23
89°
68°
24
88°
70°
25
90°
69°
26
98°
70°
27
89°
63°
28
86°
61°
29
87°
62°
30
84°
62°
31
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in La Plata
La Plata's January 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for January is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in La Plata. See also: February | March | April.
