Gerah
r ʔa2n ɹɒɒn hɒt bʌt dʒɛɹəɹ ɪmplaɪz ɐ spəsɪfɪk kaɪnd ɒv ʌŋkʌmftəbəl hiːt ɹɪleɪtɪd tə hjuːmɪdɪti and staɪflɪŋ eə
In Thai ร้อน (rɔ́ɔn) - hot, but gerah implies a specific kind of uncomfortable heat related to humidity and stifling air.
Feeling hot and uncomfortable, often due to humidity or a stuffy environment.
Example
"Cuaca hari ini gerah sekali."