As summer heatwaves roll in, electric vehicle (EV) drivers worry about how high temperatures and heavy air conditioning use will affect their range. But data from Geotab Inc. and its affiliates, a global leader in connected vehicle solutions and asset management, shows that while hot weather does have an effect, driving speed can be the single biggest factor in range loss.
Using anonymized telematics data from over 3 million trips, Geotab has compared how temperature and speed affect energy use in light-duty EVs, including sedans and cargo vans. At higher speeds (50-80 mph) in hot temperatures (86 degrees F/30 degrees C),
How Summer Heat Can Affect Your Electric Vehicle Fleet’s Range
New data examines the impact of driving speed and hot summer conditions on electric vehicles
Jul 14, 2025 |
















