S
M
T
W
T
F
S
28
66°
57°
29
67°
58°
30
65°
57°
1
65°
57°
2
62°
55°
3
64°
55°
4
63°
58°
5
66°
58°
6
74°
59°
7
69°
60°
8
68°
60°
9
67°
59°
10
69°
61°
11
66°
57°
12
67°
55°
13
73°
57°
14
79°
57°
15
77°
60°
16
76°
59°
17
78°
59°
18
77°
60°
19
79°
61°
20
80°
62°
21
77°
60°
22
75°
59°
23
74°
60°
24
74°
58°
25
76°
59°
26
75°
55°
27
79°
59°
28
79°
58°
29
73°
58°
30
72°
56°
31
71°
55°
1
71°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Nanaimo
Nanaimo's July 2026 forecast shows daily high temperatures ranging from 71° to 80°, with overnight lows between 55° and 62°. The average high for July is 76° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Nanaimo. See also: August | September | October.