No, different times of year have different paintwork damage risks (loose chippings, bugs etc) and the material is fitted in a clean room environment so it doesn't matter.
For further questions about our car wrapping and protection products and services, please get in touch. We'd love to hear from you. Click the 'find authorised vehicle wrappers' and 'find authorised Ventureshield installers' buttons to find approved distributors in your area.