S
M
T
W
T
F
S
26
76°
63°
27
76°
59°
28
73°
58°
29
71°
61°
30
70°
60°
31
72°
57°
1
70°
58°
2
72°
62°
3
76°
65°
4
76°
58°
5
75°
60°
6
75°
64°
7
77°
66°
8
78°
63°
9
77°
63°
10
77°
64°
11
76°
64°
12
75°
66°
13
79°
63°
14
77°
63°
15
76°
62°
16
72°
62°
17
76°
59°
18
75°
62°
19
78°
63°
20
72°
56°
21
71°
63°
22
Hist. Avg.
76°
56°
23
Hist. Avg.
76°
56°
24
Hist. Avg.
76°
56°
25
Hist. Avg.
76°
56°
26
Hist. Avg.
75°
56°
27
Hist. Avg.
75°
55°
28
Hist. Avg.
75°
55°
29
Hist. Avg.
74°
55°
30
Hist. Avg.
74°
55°
31
Hist. Avg.
74°
55°
1
Hist. Avg.
74°
55°
2
Hist. Avg.
73°
55°
3
Hist. Avg.
73°
54°
4
Hist. Avg.
73°
54°
5
Hist. Avg.
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Saint-Gilles-Croix-de-Vie
Saint-Gilles-Croix-de-Vie's August 2026 forecast shows daily high temperatures ranging from 70° to 79°, with overnight lows between 56° and 66°. The average high for August is 75° 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 August weather will actually feel in Saint-Gilles-Croix-de-Vie. See also: September | October | November.