EVMath.

How Much Range Does an EV Lose in Cold Weather?

About 2332% at 20°F with the heater on — so a 300-mile EV becomes a 203230 mile one. Most of that is the cabin heater, not the cold battery. Here is the loss at every temperature, and what actually gets the miles back.

Verified May 2026.

Range loss by temperature

Cabin heat on, and the miles a 300-mile EV has left. The spread in each row is the heater: a heat pump at the good end, a resistive (PTC) heater at the bad one.

Outside tempFeels likeRange lost300-mile EV gets
40°FChilly14% to −20%239259 mi
32°FFreezing17% to −26%223248 mi
20°FHard freeze23% to −32%203230 mi
10°FDeep cold28% to −38%187215 mi
0°FExtreme cold33% to −42%173200 mi
Below 0°FSevereKeeps deepening — see below zero

Cross-check: Recurrent Auto's telemetry from 30,000+ US EVs measured 78% of range retained at 32°F and about 70% at 20°F — inside both bands above. Model your own car and temperature with the EV winter range calculator.

The battery is not the problem. The heater is.

The usual explanation for winter range loss is that cold ruins battery chemistry. That is true, and it is small. When Argonne National Laboratory measured usable battery energy on a dynamometer at 0°F, the pack still delivered 92% of its usable energy — and 96% in a car with a battery heater. Cold chemistry costs single digits.

Yet that same testing found range down 41% at 20°F. The missing miles went into work the car has to do in the cold: heating a cabin from freezing to 72°F, warming the pack itself, and running the defroster. A gas car gets all of that for free — an engine is a furnace that happens to turn a driveshaft, and cabin heat is waste heat it was producing anyway. An EV has no waste heat worth the name, so it buys warmth with range.

Two useful consequences follow. First, short trips in cold weather are far worse than long ones, because the fixed cost of reheating a frozen cabin and a frozen pack is amortized over very few miles. A 4-mile commute at 15°F can burn energy at double the rate the same car manages on a 90-mile highway run in the same weather. Second, the fixes that work are the ones that move the heating load off the battery — which is exactly what preconditioning on grid power does.

What cold chemistry does control is charging. A cold pack physically cannot accept full current, which is why a winter DC fast charge crawls until the battery warms up, and why the car limits regen on the first few miles of a freezing morning.

Below zero

The table above stops at 0°F because that is where the measured data stops. Argonne's dynamometer testing runs 0°F to 95°F; EVMath's range model is calibrated to that window and does not extrapolate past it. Quoting a tidy figure for −20°F would mean inventing one.

What the evidence does support: the loss keeps deepening, and it does so faster than the curve above suggests. Geotab's analysis of 4,200 EVs across 5.2 million trips put the average car at 54% of rated range at 5°F(−15°C) — worse than this model's 3342% loss at 0°F, partly because that fleet skews toward older, resistive-heat cars and short urban trips, which are the two worst things you can do to a cold EV. Treat “half your rated range” as the honest planning number for a genuinely arctic day.

The heat pump also stops rescuing you down there. Its advantage comes from moving ambient heat into the cabin, and at −20°F there is very little ambient heat to move — most systems fall back on resistive elements. Recurrent's data shows the heat-pump benefit, worth about 10% of range at 32°F, shrinking to roughly nothing as temperatures approach 0°F. A heat pump wins you a whole winter of ordinary cold mornings. It does not win you the coldest one.

Winter range for popular EVs

Estimated real-world range at 20°F with the cabin heater on, ranked by the miles that actually remain.

VehicleCabin heatEPA rangeAt 20°FMiles lost
Rivian R1S MaxHeat pump410 mi314 mi23%96 mi
Tesla Model 3 LRHeat pump363 mi278 mi23%85 mi
Tesla Model YHeat pump326 mi250 mi23%76 mi
Chevy Equinox EVHeat pump319 mi245 mi23%74 mi
Ford F-150 Lightning ERHeat pump320 mi245 mi23%75 mi
Cadillac LyriqHeat pump314 mi241 mi23%73 mi
Kia EV6Heat pump310 mi238 mi23%72 mi
Hyundai Ioniq 5Heat pump303 mi232 mi23%71 mi
VW ID.4 ProResistive291 mi197 mi32%94 mi

Every heat-pump car on this list loses the same 23% — the weather sets the percentage, the battery sets the miles. So the Rivian R1S Max leads in winter for the same reason it leads in summer: it starts with 410 mi. The one car that breaks the pattern is the VW ID.4 Pro, the only model here without a US-market heat pump, which gives up 9extra points of range to its heater alone. If winter range is what you're shopping for, start from the longest-range EVs of 2026 and check for a heat pump.

Six ways to get winter miles back

  1. 1

    Precondition while still plugged in

    Warming the cabin and battery on grid power before you unplug is the single biggest lever, because the energy comes from the wall instead of your pack — and a warm battery is efficient from the first mile instead of the tenth. Schedule departure time in the car's app rather than warming it manually after you unplug.

  2. 2

    Heat the person, not the cabin

    Seat and steering-wheel heaters warm you directly for a few hundred watts; a cabin heater fighting a 20°F outside temperature can pull several kilowatts. Dropping the cabin setpoint a few degrees and letting the contact heaters do the work is the cheapest comfort on this list.

  3. 3

    Check tire pressure every cold snap

    Air pressure falls roughly 1 PSI for every 10°F drop, so a pack of tires set in October is measurably soft by January. Underinflation is pure rolling resistance. Check them cold, before driving, against the door-jamb placard — not the number molded into the sidewall.

  4. 4

    Precondition the battery before a DC fast charge

    A cold pack physically cannot accept full charging current. A 10–80% session that takes 25 minutes in mild weather can stretch past 45 in the cold. Navigating to the charger in the car's own routing usually triggers battery preconditioning on the way in — use it.

  5. 5

    Stay plugged in overnight in deep cold

    Left on the charger, the car keeps the pack warm on grid power rather than eating into its own charge. Unplugged in a driveway at 0°F, it spends the night defending the battery with the battery.

  6. 6

    Slow down, and skip the roof box

    Aerodynamic drag rises with the square of speed, and it costs more in winter because the battery is already working harder for every mile. Dense cold air adds a few percent of drag on its own — a ski box on the roof adds far more.

Together these recover a meaningful share of the cold-weather penalty — mostly because the first one moves the heating load from your battery to the grid, where it costs pennies instead of miles.

Does winter break the case for an EV?

No, though it narrows it. Cold hurts an EV proportionally more than a gas car — Argonne measured −41% range for a BEV at 20°F against −10% fuel economy for a comparable gas car — precisely because the gas car was already making the heat. That is a real and permanent asymmetry, and anyone telling you winter is a non-issue is selling something.

It just doesn't reverse the arithmetic. An EV starts at roughly a third of the per-mile fuel cost of a gas car, so surrendering a third of its efficiency for three months of the year leaves it comfortably ahead on running costs over a year. Run your own electricity and gasoline prices through the EV vs gas TCO calculator if you want the number for your zip code.

Winter's true cost is measured in convenience, not dollars: fewer miles between charges, and DC fast charging that takes half again as long when you arrive with a cold pack. Both are manageable, and both are why preconditioning is the habit that separates people who like their EV in February from people who don't.

Frequently asked questions

How much range does an EV lose in cold weather?+

Plan on losing about 20–35% of EPA range at 20°F (−7°C) with the heater running, and 30–45% near 0°F. Recurrent Auto's telemetry from more than 30,000 US EVs found the average car retains 78% of its range at 32°F and about 70% at 20°F. EVMath's model puts a heat-pump EV at −23% and a resistive-heat EV at −32% at 20°F, which brackets that measured average. In practical terms, a 300-mile EV delivers roughly 203–230 miles on a 20°F day. Controlled dynamometer testing is harsher than fleet averages: the US Department of Energy's Argonne lab measured a 41% range loss at 20°F holding the cabin at a constant 72°F, which is closer to what short trips in traffic actually look like than a long steady highway run is.

Is it the battery or the heater that costs the range?+

Mostly the heater, which surprises people. Argonne's lab measurements found that a BEV battery still delivers 92–96% of its usable energy at 0°F — so cold chemistry costs only single digits of capacity, and a car with a battery heater keeps about 96%. The rest of the loss is work the car has to do: heating a cabin from freezing, warming the pack itself, and running defrost. A gas car gets cabin heat for free as waste heat from the engine; an EV has to buy it with battery. That is also why short winter trips are so much worse than long ones — you pay the full reheat cost of a cold cabin and a cold pack over very few miles.

How cold is too cold for an electric car?+

There is no cliff. EVs operate normally well below 0°F — they are daily drivers in Norway, Quebec, and Minnesota — they simply do it with less range and slower charging. Below 0°F the loss keeps deepening: Geotab's analysis of 4,200 EVs over 5.2 million trips found the average car down to 54% of rated range at 5°F (−15°C). Two things matter more than the thermometer. Keep the car plugged in when it is parked in deep cold, and precondition before you drive and before you fast-charge. A car that spends the night on a charger starts the morning warm and full; one that does not spends its own energy staying alive.

Do heat pumps actually help in winter?+

Yes, but they help most in the temperatures you actually see most. A heat pump moves heat instead of generating it, delivering 3–4 units of warmth per unit of electricity in mild cold — Recurrent measures the benefit at roughly 10% of range at 32°F. The advantage shrinks as it gets colder, because there is less ambient heat to move and many systems blend in resistive backup; by around 0°F a heat pump is close to as efficient as a resistive heater. So a heat pump is worth real miles across a whole winter, and worth much less on the single coldest morning of the year. Tesla (2021+), Hyundai and Kia E-GMP cars, GM's Ultium models, the 2024+ F-150 Lightning, and Rivian have them; the US-market VW ID.4 does not.

Does winter change whether an EV is cheaper than a gas car?+

It narrows the gap without closing it. Cold weather costs an EV proportionally more than a gas car — Argonne measured −41% for a BEV at 20°F against −10% for a comparable gas car — because the gas car heats its cabin with waste heat it was producing anyway. But an EV starts from roughly a third of the fuel cost per mile, so losing a third of its efficiency for the coldest months of the year still leaves it ahead on running costs. Winter's real cost is convenience: fewer miles between charges and slower DC fast charging, not a reversed cost comparison. Model your own electricity and gas prices in the EV vs gas TCO calculator.

Does cold weather permanently damage an EV battery?+

No. Cold-weather range loss is entirely temporary — the miles come straight back when the weather warms, because nothing about the pack has changed. The genuine cold-related wear item is DC fast charging a cold battery, which is why cars limit charging current until the pack warms and why preconditioning matters. Charging a cold pack at home on AC is slow enough to be harmless. The habit worth keeping is the one that helps range anyway: leave it plugged in when parked in deep cold.

Related calculators and guides

Range figures are modeled with EVMath's shared winter-range model, calibrated to Recurrent Auto's cold-weather study of 30,000+ connected EVs (78% of range retained at 32°F, ~70% at 20°F) and AAA heater-load testing. Usable-battery-energy and 41%-at-20°F figures are from the US Department of Energy Vehicle Technologies Office program record Impact of Cold Ambient Temperature and Extreme Conditions on Electric Vehicles (September 2024), reporting Argonne National Laboratory dynamometer tests of model-year 2019–2020 BEVs on EPA drive cycles with the cabin held at 72°F. The 54%-at-5°F figure is Geotab's analysis of 4,200 EVs over 5.2 million trips. EPA range and heat-pump status come from EVMath's shared model data (fueleconomy.gov and manufacturer specifications, 2025–2026 model years). Estimates are planning figures — your trip length, wind, terrain, and cabin setpoint all move them.