I'm in Rio, but I'm from south Brazil, my entire family is using more meds to counter allergies due to temps and humidity changing a lot.
I'm changing from using winter clothes (long sleeves) to use air conditioner to feel less a change from 14oC to 30oC that is usually associated to autumns in south, not winters in Rio, that are usually stable around 22oC without a high amplitude that I'm feeling now.
The city my dad lives near Porto Alegre already suffered twice due to extra tropical cyclones. Something that I heard only few times in my childhood.
Uruguay facing water challenges is new - droughts in the south plains of Rio Grande do Sul (south state bordering UY) and UY is not new - but the severity is.