S
M
T
W
T
F
S
26
65°
38°
27
73°
38°
28
73°
47°
29
69°
50°
30
53°
40°
1
55°
36°
2
49°
41°
3
55°
36°
4
63°
36°
5
70°
47°
6
48°
42°
7
52°
41°
8
53°
35°
9
64°
34°
10
62°
45°
11
54°
42°
12
55°
42°
13
53°
41°
14
53°
46°
15
67°
49°
16
75°
46°
17
74°
53°
18
75°
50°
19
85°
62°
20
76°
49°
21
59°
42°
22
N/A
23
72°
52°
24
56°
49°
25
71°
56°
26
79°
59°
27
74°
52°
28
70°
52°
29
68°
51°
30
69°
50°
31
72°
52°
1
76°
55°
2
75°
56°
3
73°
58°
4
74°
50°
5
77°
57°
6
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Richelieu
Richelieu's May 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 49° and 59°. The average high for May is 72° with an average low of 54°. 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 Richelieu. See also: June | July | August.
