Like summers in Hong Kong (5)
I believe the answer is:
humid
(Other definitions for humid that I've seen before include "'Moist, damp (5)'" , "Moist, warm (weather)" , "Damp, steamy" , "Damp and warm" , "Moist (atmosphere)" .)
I believe the answer is:
humid
(Other definitions for humid that I've seen before include "'Moist, damp (5)'" , "Moist, warm (weather)" , "Damp, steamy" , "Damp and warm" , "Moist (atmosphere)" .)