Frankfurt shows a moderate seasonal swing: sample heat runs higher around Sep–Nov, softer around Jul–Aug, Dec (monthly sample means about 1.1–1.8). Trade-fair weeks, Oktoberfest/Christmas markets often beat the seasonal average. Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.
January
1 public holidays2
3
4
51.3
61.4
7
8
9
101.5
112.6
122.6
132.9
142.1
151.7
16
171.4
181.7
191.5
201.5
21
221.3
23
241.4
251.7
261.5
272.3
283.4
293.6
302.8
313.6
February
No public holidays this month13.4
21.9
31.5
41.3
51.3
6
71.4
81.7
91.5
101.6
111.3
121.3
13
141.4
151.6
161.4
171.4
18
191.3
20
211.4
221.6
231.4
241.4
251.3
261.3
271.3
281.5
March
2 public holidays11.7
21.5
31.5
41.3
51.4
6
71.4
81.7
91.5
101.7
111.3
121.6
131.6
142.6
153.5
163.1
173.8
182.9
192.0
20
211.6
221.9
231.5
241.4
251.3
27
281.6
301.4
311.3
April
No public holidays this month11.3
21.5
3
41.6
51.9
61.5
71.5
81.3
91.5
10
111.6
121.9
131.5
141.6
151.3
161.5
17
181.6
192.0
201.6
211.7
221.3
231.6
24
251.6
261.9
271.5
281.7
291.3
301.6
May
3 public holidays21.8
32.0
41.6
51.4
71.8
81.5
92.0
102.7
112.7
122.4
131.6
141.8
151.4
161.9
181.7
191.9
201.5
211.8
221.6
232.0
242.6
253.0
263.1
271.8
281.7
291.5
301.7
311.9
June
No public holidays this month11.9
22.0
31.6
41.6
5
61.7
71.9
81.8
91.9
101.8
111.7
121.5
132.9
143.8
154.3
164.6
172.9
182.4
191.6
202.2
212.1
221.7
231.7
241.5
252.5
261.9
272.5
282.1
291.7
301.5
July
No public holidays this month11.4
22.3
31.7
42.3
52.0
61.7
71.6
81.3
92.3
101.8
114.3
12
13
14
15
164.3
17
184.1
19
20
21
22
234.3
24
254.1
26
27
28
29
30
31
August
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
31
September
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
October
1 public holidaysNovember
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
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