Sea temperatures vary between 18?? and 24?? C (64 75?? F).
Sea temperatures range between 18° and  24° C (64°-75° F)
Sea temperatures are seldom between 18° and  24° C.
Things are very different in this location here.
The man and woman are clothed.
A lady is walking over a walkway
A higher percentage of the population in France lives in urban areas.
A woman is wearing a green sweatshirt.
The woman is wearing a bathrobe.