Girls good day everyone! We're currently 3 months old and growing 63 c…

Girls good day everyone! We're currently 3 months old and growing 63 cm. Please give us advice on what size to take a winter jumpsuit ??, and residents of Almaty, tell me how you dress your children? For example, 10-12 degrees of heat. This is a big problem for me, because I feel like I'm dressed lightly, then I feel like I'm bundled up...??