Why especially without pools? Sites in France will be fairly quiet in June anyway, so you'll not get the 'pool full of noisy children' scenario. Haven't been to either of these sites, but have been loads of times in June, and it's a great time to see France.
Have you thought about using Camping Cheques, Touring Cheques, or ACSI - all discount schemes, offering sites at less than the normal site rate - and all have some excellent sites. ACSI sites cost 10, 12 or 14 euros, all-in, including electricity, two people and a dog, Camping Cheques now cost