Washington DC shows a moderate seasonal swing: sample heat runs higher around Sep–Nov, softer around Jul–Aug, Dec (monthly sample means about 1.2–1.8). Long weekends, conventions and school breaks often beat a simple “season.” Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.
January 2027
2 public holidaysFebruary 2027
1 public holidays11.6
21.5
31.3
41.5
51.4
6
71.6
81.7
91.4
101.3
111.4
121.9
131.4
141.4
161.3
171.3
181.6
191.5
201.4
211.5
222.0
231.6
241.5
251.4
261.4
27
281.5
March 2027
No public holidays this month12.3
22.2
31.9
41.8
51.5
61.3
71.5
82.2
92.0
102.2
111.9
121.6
131.5
141.5
152.3
162.6
171.9
181.9
191.6
201.5
211.5
222.0
232.2
241.7
251.7
261.6
271.6
281.3
291.7
301.8
311.9
April 2027
No public holidays this month12.0
21.7
31.6
41.6
52.2
62.4
72.4
82.0
91.8
101.7
112.0
122.9
133.2
143.3
153.0
162.2
172.2
181.7
192.4
202.3
212.1
222.0
231.6
241.6
252.0
262.2
272.7
282.8
292.2
302.5
May 2027
1 public holidays13.2
21.6
32.2
42.1
52.7
61.6
71.9
81.6
91.5
102.1
112.4
123.0
132.1
142.5
152.1
162.0
172.5
182.4
192.6
201.8
212.1
221.7
231.7
242.1
252.1
262.0
271.4
281.9
291.6
301.5
June 2027
1 public holidays11.8
22.0
31.8
42.0
51.8
62.2
72.1
82.2
92.1
101.7
112.5
121.7
132.0
142.3
152.2
162.0
171.9
192.7
202.3
212.2
222.2
232.0
241.8
252.6
261.5
272.1
282.0
292.1
301.9
July 2027
1 public holidays11.7
22.7
31.8
41.9
61.8
71.9
81.6
92.3
10
112.5
121.9
13
14
151.3
162.1
17
184.5
19
20
21
22
234.4
24
254.5
26
27
28
29
30
31
August 2027
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 2027
1 public holidaysOctober 2027
1 public holidaysNovember 2027
2 public holidaysDecember 2027
1 public holidaysIndex ≈ 1.0 is each hotel’s sample off-peak baseline; shown when >1.2. Sampled reference, not live city-wide rates