Both Ho-Chi-Minh and BKK were among a few select cities around the world with the most number of days this year as being miserably, excruciatingly HOT.
Keep that in mind as you plan your travel dates.
https://www.washingtonpost.com/climate-environment/interactive/2024/heat-index-temperatures-global-cities/
(apologies if this is under a pay-wall for some)