"Humid climates" refers to regions or areas where there is a lot of moisture in the air, leading to a feeling of dampness or stickiness. Full definition
But taking such measures can be difficult, especially in humid climates where rain is common. (scientificamerican.com)
When packing try to pick loose, lightweight, long clothing that will keep you cool in the usually hot and humid climate of Asian summers. (tripcentral.ca)
Even within dry seasons, the amount of water decreased in areas with more humid climates as the burning became more severe. (sciencedaily.com)