Ho Chi Minh City shows a fairly mild monthly swing: sample heat runs higher around Oct–Dec, softer around Jul–Sep (monthly sample means about 1.1–1.5). Tết and coastal holiday road-trippers lift heat. Index ≈ each hotel’s off-peak baseline—not a live city-wide rate.
January
1 public holidays41.3
51.3
61.4
71.3
8
9
10
111.4
121.4
131.4
141.3
151.3
16
17
181.3
191.4
201.4
211.4
221.3
23
24
251.3
261.4
271.4
281.3
29
30
31
February
1 public holidaysMarch
No public holidays this month11.4
21.5
31.8
41.5
51.3
61.3
71.3
81.4
91.5
101.7
111.4
121.4
131.3
141.3
151.4
161.5
171.6
181.4
191.3
201.3
211.3
221.4
231.5
241.5
251.4
261.3
271.3
281.3
291.4
301.5
311.7
April
2 public holidaysMay
1 public holidays · 2 FestivalJune
No public holidays this month11.3
21.3
3
41.3
5
61.3
71.3
8
91.3
101.3
111.3
12
13
141.3
151.3
16
171.3
181.3
19
20
211.3
22
231.3
24
251.3
26
271.3
281.3
291.3
301.3
July
No public holidays this month1
21.3
3
41.3
51.3
61.3
71.3
8
91.3
101.3
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
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
1 public holidays · 1 FestivalOctober
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
November
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
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
Index ≈ 1.0 is each hotel’s sample off-peak baseline; shown when >1.2. Sampled reference, not live city-wide rates