S
M
T
W
T
F
S
28
70°
49°
29
68°
56°
30
77°
57°
31
73°
61°
1
70°
61°
2
69°
60°
3
70°
59°
4
75°
57°
5
73°
53°
6
71°
51°
7
71°
54°
8
75°
60°
9
72°
62°
10
72°
62°
11
75°
65°
12
72°
52°
13
70°
44°
14
75°
57°
15
69°
62°
16
72°
60°
17
73°
60°
18
71°
55°
19
79°
56°
20
64°
59°
21
66°
59°
22
70°
63°
23
71°
61°
24
67°
56°
25
68°
58°
26
68°
58°
27
68°
57°
28
71°
53°
29
70°
52°
30
74°
54°
31
69°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in New Plymouth
New Plymouth'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 New Plymouth. See also: February | March | April.
