S
M
T
W
T
F
S
26
70°
45°
27
72°
48°
28
72°
48°
29
75°
50°
30
73°
54°
1
72°
54°
2
73°
50°
3
70°
50°
4
75°
55°
5
72°
63°
6
72°
55°
7
73°
50°
8
72°
57°
9
73°
59°
10
71°
58°
11
73°
55°
12
72°
54°
13
70°
56°
14
68°
55°
15
69°
53°
16
68°
52°
17
72°
52°
18
73°
54°
19
72°
53°
20
73°
54°
21
72°
53°
22
76°
56°
23
74°
53°
24
75°
54°
25
74°
53°
26
74°
55°
27
75°
53°
28
75°
54°
29
76°
54°
30
77°
55°
31
78°
57°
1
77°
57°
2
76°
56°
3
77°
55°
4
77°
56°
5
78°
58°
6
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ajaccio
Ajaccio's May 2026 forecast shows daily high temperatures ranging from 68° to 78°, with overnight lows between 52° and 59°. The average high for May is 74° with an average low of 55°. 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 Ajaccio. See also: June | July | August.