S
M
T
W
T
F
S
26
45°
33°
27
44°
35°
28
47°
35°
29
48°
34°
30
46°
35°
1
38°
35°
2
43°
33°
3
42°
33°
4
54°
36°
5
60°
35°
6
50°
39°
7
47°
36°
8
47°
34°
9
53°
34°
10
48°
38°
11
48°
35°
12
48°
33°
13
48°
37°
14
48°
36°
15
51°
40°
16
60°
41°
17
62°
39°
18
54°
35°
19
52°
41°
20
61°
41°
21
47°
37°
22
56°
36°
23
49°
36°
24
68°
40°
25
51°
43°
26
49°
43°
27
46°
39°
28
43°
39°
29
48°
40°
30
52°
39°
31
51°
43°
1
56°
40°
2
58°
45°
3
56°
45°
4
74°
46°
5
61°
44°
6
51°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Grosses-Roches
Grosses-Roches's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May 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 May weather will actually feel in Grosses-Roches. See also: June | July | August.