S
M
T
W
T
F
S
26
64°
36°
27
72°
37°
28
74°
47°
29
70°
49°
30
56°
43°
1
53°
36°
2
48°
39°
3
51°
37°
4
62°
39°
5
73°
47°
6
47°
42°
7
53°
37°
8
51°
39°
9
63°
40°
10
60°
44°
11
53°
41°
12
54°
38°
13
53°
38°
14
53°
48°
15
67°
50°
16
75°
52°
17
73°
54°
18
76°
51°
19
83°
67°
20
75°
51°
21
58°
40°
22
66°
35°
23
69°
43°
24
58°
51°
25
65°
52°
26
82°
50°
27
71°
51°
28
64°
49°
29
62°
44°
30
59°
42°
31
66°
45°
1
71°
50°
2
76°
53°
3
77°
56°
4
79°
57°
5
76°
56°
6
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Saint-Césaire
Saint-Césaire's May 2026 forecast shows daily high temperatures ranging from 59° to 79°, with overnight lows between 42° and 57°. The average high for May is 71° with an average low of 51°. 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 Saint-Césaire. See also: June | July | August.