You can imagine Montevideo like the “Nordsee” the north shore of Germany.
They have quiet a lot of sun but also very windy and not very warm.
Forget the swimming the ocean is muddy brown. It’s soil that is being eroded and washed into the sea from monoculture and rain-forest looting.
The people in Uruguay are well educated and in general it is safe but also expensive there.
Expect landprices (in US-Dollar) to be the same as in Europe.