S
M
T
W
T
F
S
28
81°
61°
29
79°
50°
30
84°
55°
1
75°
57°
2
79°
54°
3
84°
55°
4
86°
52°
5
86°
61°
6
99°
59°
7
97°
57°
8
95°
57°
9
97°
69°
10
100°
70°
11
103°
70°
12
104°
74°
13
101°
67°
14
93°
67°
15
93°
67°
16
84°
62°
17
82°
61°
18
79°
59°
19
81°
60°
20
79°
57°
21
78°
58°
22
72°
58°
23
73°
57°
24
72°
58°
25
73°
58°
26
73°
59°
27
74°
59°
28
77°
58°
29
74°
57°
30
76°
58°
31
77°
58°
1
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Rennes
Rennes's July 2026 forecast shows daily high temperatures ranging from 72° to 104°, with overnight lows between 57° and 74°. The average high for July is 83° with an average low of 62°. 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 Rennes. See also: August | September | October.
