The moment Europe gets its shit together and implemented a standardized charger, with governments then enforcing its use and maybe subsidizing existing gas stations to offer quick charge options so we have a somewhat dense charge network, I'll immediately switch. Electric bikes are superior in every way except range.
I don't have a car anymore, the bike is for fun, not for sensibility. But I drive fast and do weeks-long trips and wild-camping. Impossible to do with electric bikes. My real range of bikes advertising 150km is closer to 60-70km, and I don't use highways: but hard accelerating and braking on curvy country roads kills range.
Temperature doesn't come into this at all. With the right gear, neither summer heat but winter freeze is really a problem.