My daily commute is about 30 miles highway plus 12 miles non-highway. In the summer, with outside temps at 70F or higher, at highway speeds up to 65mph, depending on traffic, with the top down, I was getting about 74 miles range. If I limited my highway speed to 55mph, I got about 84 miles range.
Temps now are running in the 30-40F range, and I'm now getting a range of 54-64 miles with the top up and heat on with a setting of 70. I modulate my speed, and use of heat, on the highway to keep the range above 54 miles so that SOC % on getting home is 20% or higher.
If temps get much lower, so will my speed on the highway and use of heat and the SOC level when I get home.
If temps are above 40F, I can drive without thinking of range limitations. Below that, I have to watch the meters more closely as I drive.