Walks you shouldn't take this week

The UK is hot today, and likely to be hot for the rest of the week. The piece we published on Monday — The hour before an emergency — was about how to read an animal who was already in trouble. This one is about the decision a day or two earlier, when the warning signs aren't there yet because the body hasn't been put in the position to show them. It's about the walk you don't take.

Skipping a walk is a small decision in cooler months. In a UK summer week like this one, it is the single most welfare-aligned choice many owners will make all year. The dogs that end up in vet emergency rooms in late June and early July are not, in our experience, the ones taken out at midday on the hottest day of a heatwave. They are the ones taken out at half past four in the afternoon, on a 23°C Tuesday, by an owner who kept the routine because it didn't feel that bad. Most heat-related harm in this country is ordinary, not dramatic — and it almost all happens on walks that were perfectly safe in May and will be perfectly safe again in September.

So: which walks, this week, are not worth taking. And which are.

The pavement under your hand

The first test is the simplest. Press the back of your hand flat to the pavement where you are about to walk. If you can hold it there for seven seconds without it becoming uncomfortable, the pavement is acceptable for paws. If you can't, you have your answer.

This sounds basic until you do it in late June and discover that, in direct sun, the surface is far hotter than the air. Tarmac and pavement absorb and retain solar heat in a way that no animal of any breed is equipped to deal with through paw pads alone. On a 23°C afternoon with the sun out, pavement temperatures in the high forties to low fifties Celsius are normal — comfortably hot enough to cause first- and second-degree burns to a dog's pads within minutes, and to act as a radiant floor under the dog's body throughout the walk. The dog, working at roughly 38–39°C internally, is being heated from below and from above simultaneously. They have no way to lose heat fast enough.

The hand test is the one universal piece of advice we'd give about heat that owners don't already know. Most owners check the air temperature on their phone; almost none touch the surface their dog is about to walk on.

The clock matters more than the calendar

The second filter is the time of day. In a UK summer week, the dog's window is the early morning and the late evening. Before seven, after nine. Cooler air, cooler ground, calmer dog, and — importantly — fewer other dogs out, which matters more in this kind of week than people credit, because heat-stressed dogs interact worse with other dogs and the encounter risk goes up.

The trap is the "quick one before tea" walk between four and six. The air has often started to cool by then; the pavement has not. There is a lag of two to three hours between peak air temperature and peak surface temperature, and the surface is what the dog is on. A walk that feels reasonable to the owner because the air is back down to 21°C is being taken on tarmac that is still in the high thirties from the afternoon sun. We see more late-afternoon heat cases than midday ones, for exactly this reason.

There is a useful rule of thumb: if the dog has not been out by ten in the morning, the dog is not going out again until the sun is genuinely off the streets. Half past eight in the evening, in most of the UK this week. That is not the routine, but this is not a routine week.

The dog you have, not the dog you wish you had

Air temperature alone is a poor guide because dogs are not the same. The honest temperature ceilings, calibrated against UK veterinary emergency data, are roughly:

For a brachycephalic breed — a French Bulldog, Pug, English Bulldog, some Boxers — the ceiling for outdoor exertion in direct sun is around 20°C of ambient temperature. That is not a typo. By the time the UK weather forecast is reading 22°C, you are already past the threshold for genuinely safe walks. For these breeds, almost any week of UK summer is functionally a "no walks this week" week, with garden enrichment as the substitute. We say this aloud because the breed's anatomy means the conversation isn't optional; it's a design constraint that owners did not choose but do now have to manage. There is no shame in not walking a Frenchie in June. There is real harm in walking one.

For heavy-coated working breeds — Huskies, Bernese Mountain Dogs, Newfoundlands, Saint Bernards — the ceiling is around 22°C. The coat that protects them in -20°C does the opposite job at +22°C, holding heat against the skin. Brushing helps less than people think.

For medium short- and medium-coated breeds — Labradors, Spaniels, Border Collies, most Pointers and most Retrievers — the ceiling for normal-duration walks is around 25°C, dropping to 22°C in direct sun on hot ground. These are the breeds most owners assume "will be fine" because they're the workhorse pets of British dog ownership. They are fine, until they aren't, and the move from "fine" to "in trouble" is the half-hour window we wrote about on Monday.

For lighter, shorter-coated breeds — Whippets, smaller terriers, smooth-coated Pointers — the ceiling is around 28°C, sometimes a touch higher with shade, water and a steady pace.

All of these ceilings drop by roughly 4 to 5°C for any dog over the age of about nine, for any dog carrying significant weight, and for any dog with a known respiratory or cardiac condition. Many owners hold the breed ceiling in their head and forget to adjust it downward for their actual animal.

What to do instead

A dog who skips a walk does not suffer. A dog who suffers heat stroke at eighteen months may carry the consequences for the rest of their life — kidney function, liver damage, neurological residual effects are all well-documented. The trade is not close.

What the dog needs on a hot day is mental tiredness more than physical tiredness. Sniffing burns roughly the same energy as a brisk walk does, on the dog's terms, without the cardiovascular load. A garden scatter-feed — kibble or training treats tossed into long grass and let the dog work — does the same job a thirty-minute walk would do, with none of the heat exposure. A frozen Kong with wet food and a few biscuits inside is twenty minutes of focused chewing and licking, both of which are calming, both of which tire a dog mentally, both of which produce saliva and so lower core temperature very slightly. A snuffle mat or a lickimat is the same idea.

For high-drive working breeds who are genuinely going to be restless without exercise, the substitute is short, structured indoor training in a cool room: ten minutes of obedience or trick work, three times a day, is more cognitively demanding than an hour's walk and uses an extraordinary amount of mental energy. Working-line Cockers, Border Collies and Malinois can be more tired by twenty minutes of new trick training than by a long walk. The dog who has worked their brain hard is the dog who sleeps.

For body cooling, a child's paddling pool in a shaded spot is the single best thing many owners can buy in a UK heatwave. Knee-deep water, in the shade, with the dog choosing to step in or out at their pace, is exactly the kind of self-regulated cooling the body is built for. A cooling mat indoors is the next-best thing for dogs who don't enjoy water. A damp towel laid over the dog's neck and chest — not ice-cold, just cool — does more in five minutes than a walk in cooler conditions ever would.

The walks you do still take

If a walk has to happen this week, it happens at the edges of the day, in shade, on grass where possible, with water carried for both of you, and at the dog's pace, not yours. It is short. It ends the moment the dog's panting changes character — when it gets faster and doesn't slow when you stop. Many of the safest walks this week are five-minute toilet-only walks twice a day on grass, not the usual hour around the park.

Carry water that is cool, not ice cold. Offer small amounts, often. The dog who refuses water on a hot walk is the dog whose body has already decided it is in trouble; that is the moment you head home and start passive cooling, not the moment to keep going so they "get their exercise".

The two non-negotiables

Two things do not become discussable in a UK summer week, regardless of how briefly or how shaded.

The car. Never. Not for five minutes, not for one minute, not with the windows cracked, not for "running into the shop". Car interior temperatures climb to lethal levels within twelve to fifteen minutes on a 22°C day; well over forty within twenty minutes. The dog cannot get out, and unlike a walk that has gone wrong, you are not there to read them.

Direct midday sun without water. Even in the garden, for a heavy-coated or brachycephalic dog without shade and a water source within reach, this can be enough. The dog who has been left in a hot garden "for a bit" has the same problem as the dog in the closed car: nowhere to go, and no one watching the panting change.

The short version

The good walks this week start before seven in the morning and after nine at night. The midday walks don't happen. The afternoon walks don't happen, especially for older, overweight or brachycephalic dogs. The dog will not be damaged by skipping their routine for a few days. They may be damaged, sometimes permanently, by taking it anyway.

If the only walks available are bad ones — for the breed, for the time, for the weather — then the most welfare-aligned thing is no walk at all, plus the garden, the paddling pool, a few sniff games, a Kong, and the same dog tomorrow morning at six. Read the day, not the routine. The routine will be there on Friday when this passes.

— Rene