When a dog comes into the exam room during a July heat wave, the veterinarian isn't just checking weight and listening to the heart. There's a specific set of things we look at to judge how well that particular dog handles warm weather, and understanding that process can help you protect your own pet between visits. Hanover Veterinary Clinic is a veterinary clinic in West Lebanon that provides wellness exams, diagnostics, and everyday preventive care for dogs throughout the region, and summer heat checks are a regular part of what we do this time of year.
What a Vet Actually Looks for During a Warm-Weather Exam
A heat-focused checkup starts with the basics: body condition, coat thickness, and breed-specific risk factors. Dogs carrying extra weight, older dogs, and short-nosed breeds like bulldogs, pugs, and boxers struggle more to cool themselves because panting is their main defense against rising body temperature, and panting becomes less efficient the harder their airway has to work.
Next comes a hands-on check of hydration status. We pinch a fold of skin at the back of the neck, between the skull and shoulder blades, and watch how quickly it springs back. Skin that stays tented for even a second or two is a signal that your dog needs more fluids. We'll also check gum moisture and color, look for sunken eyes, and ask you about your dog's energy, appetite, and bathroom habits at home. Dogs showing several of these signs at once, lethargy paired with dry gums and reduced urination, for example, need more than just a water bowl refill. That combination often points to something beyond simple heat exposure, and it's worth a same-day call to your vet.
During the visit, we'll also talk through your dog's daily routine: how long they're outside, what time of day they exercise, and whether they have shaded, cool spaces available. This conversation often reveals small adjustments that make a real difference before summer temperatures peak.
Why This Matters More in New Hampshire Than You'd Think
New Hampshire summers don't hit triple digits often, but humidity in the Connecticut River Valley can make even a mild 82-degree afternoon feel oppressive to a dog with a thick double coat. Breeds built for our cold winters, Siberian huskies, German shepherds, and Australian shepherds among them, carry insulation that works against them once the temperature and humidity climb. We also see a seasonal spike in heat-related visits around local events and trail outings when owners underestimate how quickly conditions change from a cool morning walk to a sweltering midday hike.
Because our winters are long, some New Hampshire dog owners aren't used to watching for heat stress the way owners in warmer climates are. That's exactly why a pre-summer visit matters: it catches risk factors before the first heat wave arrives rather than after an emergency.
Heat Stroke: A True Emergency, Not a Wait-and-See Situation
Heat stroke happens when a dog's core temperature climbs to dangerous levels and the body can't bring it back down on its own. This is different from dehydration, which is simply fluid loss and can often be managed at home with rest and water. Heat stroke is a medical emergency that can cause organ damage within minutes if core temperature isn't lowered quickly.
A dog left in a parked car is one of the most common causes, since interior temperatures climb fast even with windows cracked. Watch for these warning signs:
- Heavy panting or excessive drooling
- Gums or tongue turning bright red or unusually pale
- Racing heart rate
- Wobbling or stumbling when walking
- Vomiting
- Collapse
If you see any of these signs, move your dog to shade immediately, offer cool (not ice-cold) water, and apply cool wet cloths to the paws, neck, and groin while someone calls ahead to the vet. Then get to Hanover Veterinary Clinic or the nearest emergency animal hospital right away. Calling ahead lets the team prepare for your arrival and start treatment the moment you walk in.
Between Visits: Daily Habits That Keep Dogs Hydrated
Good hydration starts well before a dog shows any warning signs. Fresh water should be available indoors and out, refreshed often enough that it stays cool rather than lukewarm. Mixing in wet food or a splash of low-sodium broth helps dogs that aren't naturally big drinkers get extra fluid without even noticing.
Frozen treats work well too: ice cubes, frozen broth cubes, or small chunks of dog-safe frozen fruit (check with your vet about which fruits are safe first) can turn hydration into a game on a hot afternoon. Pet-specific electrolyte products are fine in moderation, but skip human sports drinks like Gatorade, which carry sugar and sodium levels formulated for people, not dogs.
How much is enough? A good rule of thumb is roughly 1 ounce of water per pound of body weight each day, meaning a 10-pound dog needs about 1.25 cups daily, with more needed during exercise or extended heat. Signs your dog is drinking enough include normal urination frequency, moist gums, and steady energy through the day.
Smart Scheduling and Everyday Precautions
Timing your dog's outdoor time around the sun makes a bigger difference than most owners realize. Early morning and evening walks avoid the worst of the afternoon heat and spare paw pads from scorching pavement. Before any summer walk, press the back of your hand to the sidewalk or driveway and hold it there for five seconds; if it's too hot for your palm, it's too hot for your dog's paws.
Shaded yard spaces, cooling mats, and a fan or two in favorite resting spots give dogs a place to regulate their own temperature throughout the day. Never leave a dog in a parked car, even for a quick errand and even with windows down. For thick-coated or high-risk breeds, cooling vests, bandanas, and misting fans add an extra layer of protection on the hottest days.
Regular grooming plays a bigger role in heat management than many owners expect. Brushing out dead undercoat improves airflow to the skin, but avoid shaving double-coated breeds like huskies or German shepherds since that coat actually insulates against heat rather than trapping it.
Make Heat Safety Part of Your Dog's Routine Care
The best protection against dehydration and heat stroke is a plan built before summer temperatures spike, not a scramble once symptoms appear. A seasonal wellness visit lets your vet flag breed-specific risks, check hydration status, and give you a tailored plan based on your dog's age, weight, and coat type. West Lebanon pet owners who book this visit each spring tend to catch small issues, like early dehydration or a dog carrying a few extra pounds, before they become summer emergencies.
Hanover Veterinary Clinic offers wellness exams, nutrition and diet counseling, and diagnostics and imaging that all play a role in keeping dogs safe through New Hampshire's warm months. Bringing these pieces together under one care plan gives West Lebanon families real peace of mind heading into summer.
Frequently Asked Questions
How often should my dog see the vet for heat-related checkups?
One seasonal visit in late spring is usually enough for most healthy dogs, though senior dogs, overweight dogs, and brachycephalic breeds may benefit from an additional check mid-summer.
Can humid New Hampshire summers cause heat stress even without extreme temperatures?
Yes, high humidity makes it harder for dogs to cool themselves through panting, so a mild 80-degree day with heavy humidity can be just as risky as a hotter, drier one.
Is it safe to give my dog ice water on a hot day?
Cool water is generally better than ice-cold water, and large amounts of ice should be avoided, though a few ice cubes as an occasional treat are fine.
What breeds in our area need extra heat precautions?
Short-nosed breeds like bulldogs, pugs, and boxers, along with thick-coated breeds like huskies and German shepherds, need extra shade, water, and shorter outdoor sessions during warm months.
My dog seemed fine after overheating but acted tired later. Should I still call the vet?
Yes, even if your dog appears to recover quickly, a follow-up call to your veterinarian is a good precaution since internal effects of overheating aren't always immediately visible.
If you'd like help building a summer safety plan for your dog, contact the Hanover Veterinary Clinic team to schedule a wellness exam before the next heat wave arrives.
Book an Appointment or call us at (603) 643-3313.