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
85°
58°
5
88°
57°
6
95°
59°
7
91°
60°
8
91°
62°
9
94°
65°
10
94°
66°
11
92°
65°
12
93°
67°
13
91°
67°
14
90°
66°
15
89°
67°
16
77°
58°
17
77°
59°
18
76°
59°
19
77°
58°
20
77°
59°
21
75°
58°
22
75°
59°
23
78°
60°
24
79°
60°
25
80°
59°
26
79°
59°
27
78°
58°
28
78°
59°
29
75°
57°
30
76°
58°
31
78°
60°
1
77°
59°
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 75° to 95°, with overnight lows between 55° and 67°. The average high for July is 83° with an average low of 60°. 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.
