Why Road Trip Experts Say Summer Is the Worst Time to Take Your Electric Car on a Long Drive
Americans are expected to take millions of summer road trips each year, and AAA said on May 16, 2024, that Memorial Day travel alone would reach 38.4 million drivers. For electric vehicle owners, road trip experts at AAA, Edmunds and Recurrent say summer can be the toughest season for long drives because heat, highway speeds and crowded charging stations all cut into the easygoing part of a trip.
Summer travel pushes more EVs onto the same chargers
AAA said 38.4 million people would drive over Memorial Day weekend in 2024, up 4 percent from 2023, and that holiday number helps explain the broader summer pattern. When more drivers hit interstates in California, Florida and Texas, public fast chargers can become a bottleneck, especially on major vacation corridors. Edmunds testing and owner reports regularly note that charging stops add variability that gas drivers usually do not face.
The U.S. Department of Energy tracks more than 60,000 public charging stations nationwide, but that total includes slower Level 2 units as well as DC fast chargers. For long road trips, drivers usually need fast chargers, and the federal data does not mean every highway exit has several open plugs. Companies such as Tesla, Electrify America and EVgo have expanded networks, but availability still depends on time of day, route and local demand.
What is not fully known is exactly which stations will see the longest waits on any given summer weekend. Operators do not publish one national real-time congestion map covering all brands and all states. That means drivers on routes like Interstate 95 on the East Coast or Interstate 5 in California can face uncertainty even when a charger appears on the map.
Heat, speed and air conditioning all affect range
Recurrent, a company that tracks EV battery performance, reported that warm weather is generally better for range than winter cold, but very hot temperatures still create tradeoffs. In summer, batteries may need active cooling, and cabin air conditioning adds power use during long drives. Those loads matter more on 70 mph interstate trips in Arizona, Nevada or inland California than on shorter local commutes.
Edmunds has also reported that real-world range can differ significantly from EPA estimates, especially at steady highway speeds. The EPA label is based on standardized testing, not a packed family trip with luggage, 95-degree heat and repeated fast-charging stops. That gap is one reason experts say a 300-mile rated EV should not always be treated like a 300-mile road-trip car.
The companies have not released a single national figure showing how much range every EV loses in every summer condition, because results vary by model, battery chemistry and terrain. A Hyundai Ioniq 5, Ford Mustang Mach-E and Tesla Model Y can all behave differently on the same route. That leaves drivers relying on route planners, in-car estimates and charger apps that can change during the day.
What drivers should expect on long summer trips
For drivers, the practical takeaway is time. A gas stop may take 10 minutes, but a fast-charging stop can run 20 to 40 minutes or longer depending on the vehicle, charger power and station traffic, according to automaker charging guidance and federal consumer advice. On a busy July weekend, one extra charging session or a short line at a station can change the schedule more than the miles themselves.
That does not mean EV road trips are impossible in summer, and Tesla in particular benefits from its large Supercharger network across many interstate routes. Still, experts at AAA and Edmunds say the least predictable part of a long summer EV drive is not always the battery. It is whether the next charger is open, working and fast enough to get a family back on the road on time.
Automakers and charging companies continue to add hardware, and the Biden administration has backed a national buildout through NEVI funding approved under the 2021 infrastructure law. But for summer 2024 and 2025 travel, the current reality remains a mix of expanding infrastructure and peak-season congestion. That is why road trip experts continue to say summer is often the hardest time to take an electric car on a long drive.
