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
72°
54°
4
72°
58°
5
70°
57°
6
71°
50°
7
71°
52°
8
72°
53°
9
72°
57°
10
76°
57°
11
72°
56°
12
76°
56°
13
75°
54°
14
75°
53°
15
76°
55°
16
74°
55°
17
76°
54°
18
72°
51°
19
72°
51°
20
73°
52°
21
73°
54°
22
74°
52°
23
74°
56°
24
75°
56°
25
75°
57°
26
74°
56°
27
75°
56°
28
76°
55°
29
78°
57°
30
80°
58°
31
81°
59°
1
81°
59°
2
80°
58°
3
81°
60°
4
82°
60°
5
82°
59°
6
81°
60°
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 70° to 82°, with overnight lows between 50° and 60°. The average high for May is 75° with an average low of 56°. 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.