And, just throwing in my nickel. I agree with the comments above, but would like to point out that ICE cars have similar issues. Yes, an ICE does have an actual high-temperature engine that has to warm up to get to its efficient stage, but almost all electric cars (the Leaf being the notable exception) also have an operating temperature and have coolant to heat up/cool down the battery, motor, and cabin. Just like an ICE.
The main difference between the two is that the electric motor and battery of a BEV run at a much lower temperature than an ICE. So they tend, in the summer, to warm up a heck of a lot faster than an ICE. And, of course, BEVs are much more efficient in converting stored energy to kinetic than an ICE, so that's the other strike against an ICE.
You'll see this in other places, too. For one thing, if you're on a long trip somewhere and approaching your next Supercharging stop, a little message window will tend to pop up and state something like, "Preheating battery for supercharging". This tends to happen a lot more in cold weather; the idea for the preheat is to get one in and out of a Supercharger faster, so losing a few kW-hr's on the preheat isn't that big a deal. Preheating is done both by messing with the heat pump built into the car as well as actually, purposefully, running extra electricity through the windings of the electric motors so they heat up the coolant passing through them.
Spring, summer, and fall tend to be happy times for Tesla efficiency. During the winter, though, it's not just the cabin temperature that has to get warmed up, the battery and motor have to be warmed to their ideal high-efficiency operating temperatures. As a result, it's not unusual for a Tesla rated for 250 W-hr/mile to consume 500 W-hr/mile during that warming interval; just like with an ICE, short trips will get one reduced mileage.
I happen to be pushing a 2018 M3 LR RWD around. During the summer, it'll get 250 W-hr or less per mile. During the dead of winter, for the 20-mile commutes I tend to do, that rises up to 350 to 400 W-hr/mile. And 200 mile trips in that weather, which this car used to be able to do with at most a single stop, sometimes requires two SC stops.
Sometime in 2020 or 2021, Teslas acquired a heat pump, which, by all reports, helps enormously during cold weather. The initial W-hr/mile is still high, but corrects itself much faster. If you didn't know this before: Heat pumps, which move heat from one reservoir to another, do so using much less energy than straight electrical heating. All good, clean, fun.