Winter Skin Problems in Perth Dogs: Allergies, Hot Spots, and Ear Infections
Perth winters may be mild by most standards, but don’t let the relatively gentle temperatures fool you. For local dog owners, the cooler months between June and August bring distinct health challenges — particularly when it comes to skin problems in dogs. Seasonal shifts in humidity, grass pollens, and your dog’s indoor habits can all conspire to leave your furry companion scratching, shaking their head, or nursing a painful patch of irritated skin. Understanding what to watch for is the first step toward keeping your dog comfortable all winter long.
Why Winter Triggers Skin Problems in Dogs Across Perth
Perth’s winter climate is wetter and windier than the dry, scorching summers most residents associate with Western Australia. This seasonal change directly affects your dog’s skin and coat in ways that often catch owners off guard.
During winter, dogs tend to spend more time indoors — pressed against carpet, curled on upholstery, or sleeping close to heaters. Reduced airflow and increased exposure to indoor allergens, such as dust mites and mould spores, can quietly aggravate sensitive skin. Outdoors, winter grass and certain weed pollens are particularly active in the South West Land Division, meaning dogs romping through local parks in Subiaco, Fremantle, or the Swan Valley may be picking up allergens on every walk.
Damp conditions also promote the growth of bacteria and yeast — two of the main culprits behind the skin complaints vets see most often during Perth’s cooler months.

Common Winter Allergies in Perth Dogs
Seasonal allergies are among the most frequent skin problems in dogs presenting at Perth veterinary clinics during winter. Unlike food allergies, which tend to be year-round, environmental allergies spike with the pollen calendar.
Signs your dog may be dealing with a winter allergy include:
- Persistent itching, especially around the paws, belly, and face
- Red, inflamed skin or recurring rashes
- Excessive licking or chewing at the same spots
- Watery eyes or a runny nose
Grass pollens from ryegrass and Bermuda grass are common triggers across Perth’s suburbs and outer regions, such as the Hills and the Peel area. If your dog’s symptoms ease on days you skip the park, seasonal pollen may well be the cause.
For a deeper look at identifying and managing allergens specific to our region, visit our guide on common dog allergies in Perth. It covers the most prevalent environmental and dietary triggers Perth owners face, along with practical steps for relief.
Hot Spots: A Winter Hazard You Might Not Expect
Many people assume hot spots — those raw, moist, intensely itchy patches of irritated skin — are a summer problem. In reality, they’re one of the most common skin problems in dogs during winter too, particularly in breeds with thick or long coats like Golden Retrievers, Border Collies, and Labradors.
Here’s why: winter dampness. When a dog’s coat stays wet for extended periods — after rain walks or beach outings at spots like Cottesloe or City Beach — the moisture trapped beneath the fur creates the perfect breeding ground for bacteria. A small itch becomes a scratch, the skin breaks, bacteria take hold, and a hot spot forms rapidly, sometimes within hours.
What to watch for:
- A circular patch of hair loss with weeping or crusty skin underneath
- Your dog is obsessively licking or biting one area
- Redness and swelling that seem to appear suddenly
Hot spots require prompt attention. Clipping the hair around the area, cleaning it gently, and seeking veterinary advice early can prevent what starts as a small irritation from becoming a painful, spreading wound.
Ear Infections: The Hidden Winter Skin Problem
Ear infections are technically a skin issue — the ear canal is lined with skin — and they spike dramatically in Perth dogs during winter. The combination of damp weather, increased swimming (yes, many Perth dogs brave the Indian Ocean year-round), and reduced airflow inside floppy-eared breeds creates conditions where yeast and bacteria flourish.
Dogs most at risk include Cocker Spaniels, Basset Hounds, Poodles, and any dog that swims regularly or spends time in wet grass.
Signs of an ear infection include:
- Head shaking or tilting
- Scratching at one or both ears
- A dark discharge or unpleasant smell from the ear canal
- Whining or flinching when the ears are touched
Left untreated, ear infections can become chronic or spread deeper into the ear, leading to more serious — and costly — complications. Keeping ears dry after water exposure and scheduling regular ear checks with your vet during winter is essential preventive care.
Prevention Is the Best Medicine
Managing skin problems in dogs during Perth’s winter doesn’t have to be overwhelming. Consistent grooming, keeping your dog dry after wet outings, and regular vet check-ups go a long way. Omega-3 fatty acid supplements can support skin barrier health, and anti-allergy diets may benefit dogs with recurring sensitivities.
For a comprehensive seasonal health plan tailored to Perth conditions, our Perth dog disease prevention tips page is an excellent starting point. It outlines practical, vet-endorsed strategies to help your dog stay healthy year-round.
Final Thoughts
Winter in Perth is generally beautiful — cool mornings, fresh air, and green parks. But for our dogs, the season brings a range of skin challenges that deserve attention. Whether it’s a pollen allergy picked up on a morning walk in Kings Park, a hot spot after a rainy afternoon, or an ear infection that snuck up after a swim, staying alert to the signs of skin problems in dogs means you can act quickly and keep your best mate feeling their best. When in doubt, your local Perth vet is always your most reliable resource.
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