Thessaloniki shows a fairly mild monthly swing: sample heat runs higher around Jul, Sep–Oct, softer around Aug, Nov–Dec (monthly sample means about 1.2–1.5). Summer island-hopping and cruise links lift Athens and the islands. Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.
January
2 public holidaysFebruary
No public holidays this month1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
March
1 public holidaysApril
1 public holidaysMay
1 public holidaysJune
No public holidays this month1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
July
No public holidays this month1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
271.6
281.4
291.3
301.3
311.3
August
1 public holidaysSeptember
No public holidays this month11.3
21.6
31.7
4
5
61.6
71.4
81.5
91.5
101.6
111.8
12
131.5
141.5
151.5
162.0
171.4
181.4
191.4
201.4
211.4
221.6
23
241.3
251.6
26
271.7
28
29
301.6
October
1 public holidays11.4
21.8
31.5
41.3
51.3
6
7
81.4
91.5
101.5
111.4
121.3
13
141.7
151.3
161.4
171.5
181.3
191.3
201.4
211.3
221.3
231.5
24
251.3
26
27
291.5
301.5
311.4
November
No public holidays this month1
2
3
4
51.4
61.4
7
8
9
10
111.4
121.4
131.8
141.8
15
16
17
18
19
201.5
21
22
23
24
25
26
271.3
28
29
30
December
2 public holidaysIndex ≈ 1.0 is each hotel’s sample off-peak baseline; shown when >1.2. Sampled reference, not live city-wide rates