Penang shows a fairly mild monthly swing: sample heat runs higher around Jul, Sep, Dec, softer around Aug, Oct–Nov (monthly sample means about 1.0–1.4). Hari Raya, school holidays and island wet/dry seasons all play in. Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.
January
1 public holidaysFebruary
1 public holidaysMarch
1 public holidaysApril
No public holidays this month1
21.3
31.3
4
5
6
7
8
91.3
10
11
12
13
14
15
161.3
171.3
18
19
20
21
22
231.3
241.3
25
26
27
28
29
301.3
May
3 public holidaysJune
2 public holidaysJuly
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
August
2 public holidaysSeptember
1 public holidaysOctober
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
1 public holidaysIndex ≈ 1.0 is each hotel’s sample off-peak baseline; shown when >1.2. Sampled reference, not live city-wide rates