S
M
T
W
T
F
S
26
70°
49°
27
72°
50°
28
72°
52°
29
74°
53°
30
74°
54°
1
75°
55°
2
74°
53°
3
75°
54°
4
76°
54°
5
76°
53°
6
75°
54°
7
76°
54°
8
73°
50°
9
73°
52°
10
72°
53°
11
71°
55°
12
70°
52°
13
69°
53°
14
70°
53°
15
71°
54°
16
71°
54°
17
72°
53°
18
72°
54°
19
73°
57°
20
75°
57°
21
76°
58°
22
76°
58°
23
74°
59°
24
75°
60°
25
75°
60°
26
76°
58°
27
75°
57°
28
76°
58°
29
75°
56°
30
76°
55°
31
77°
59°
1
80°
56°
2
80°
56°
3
81°
57°
4
80°
58°
5
81°
57°
6
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thessaloniki
Thessaloniki's May 2026 forecast shows daily high temperatures ranging from 69° to 81°, with overnight lows between 49° and 60°. The average high for May is 75° 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 Thessaloniki. See also: June | July | August.
