I think that's beautiful! It looks like the dress can fluff out with support from a crinoline slip. Between wearing pantyhose and the slip, you should be more than warm enough.

Maybe combine this skirt with one of the fantastic blouses in that search? https://www.amazon.com/Petticoats-Wedding-Petticoat-Crinoline-Underskirt/dp/B07QMVP2V1/ref=mp_s_a_1_68?crid=79T3053L3JNZ&keywords=edwardian+dress+for+women&qid=1657982937&refinements=p_n_size_browse-vebin%3A2343363011&rnid=2343347011&s=apparel&sprefix=edward%2Caps%2C126&sr=1-68