Best way to make the most of your trip is to fly to Paris and take the train to Provence. Train is a 3.5 to 4.5 hourn trip. Prices start at $44 and go from there depending on time of day.
Things to do in the Camargue- Provence area.
The Aigues-Mortes region- Lots of good info and pictures here. http://ot-aiguesmortes.com/?lang=en
A Provence overview - https://www.seeprovence.com
Train from Paris to Provence -
Fly into Paris (CDG)
Train transfer (TGV) from Paris’ Charles de Gaulle airport via Nimes to arrival port, 5 hrs. depending on connections. TGV station is underneath Terminal 2 at CDG. Taxi to embarkation point.
Average high/low temperatures in degrees F for the region are: April 67°/45°, May 74°/51°, June 82°/58°, July 87°/61°, August 87°/60°, September 78°/57°, and October 68°/49°.