Many dogs avoid rainy weather because the storm itself can overload their senses and make going outside physically unpleasant, Los Angeles experts say.

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That combination of sensory change and potential discomfort helps explain why a two-year-old Havanese might balk at the door when raindrops start, according to emergency veterinarian Dr. Ezra Ameis and dog trainer Ali Smith. Their observations point to reasons beyond a simple dislike of getting wet: altered sounds, muted smells and body sensations that can be unsettling for some animals. Common signs that a dog may be experiencing sensory overload include excessive barking or whining, hyperactivity such as jumping or running in circles, pacing or restlessness, and tense body language with dilated pupils.

Dr. Ezra Ameis, an emergency veterinarian based in Los Angeles and founder of Paw Priority in West Hollywood, described the effect in clinical terms: “It’s a sensory overload — sound, smell, static, and pressure shifts all at once — especially for noise-sensitive dogs.” That sensory cascade, he said, can make routine outings feel threatening to dogs that are sensitive to environmental change. Moreover, dog owners can prepare pets for adverse weather by keeping them indoors during extreme heat, cold, or storms, ensuring a safe and comfortable environment.

Ameis noted how those changes can also signal physical issues. “If a dog suddenly resists going outside in wet conditions, I start thinking [it might be] physical discomfort,” he said, citing how pain or ear problems can turn rain into a cue to avoid the outdoors. He added that avoiding rain entirely can have behavioral consequences: “Completely avoiding rain can create a feedback loop where the dog’s anxiety worsens and activity levels drop.” A dog’s dislike of rain is usually considered a milder form of noise or weather-related sensitivity and often falls under general anxiety rather than a specific phobia.

Trainer Ali Smith of Rebarkable described another layer: altered scent cues. “It’s not just about sound and sensation, and whilst I have no quantifiable evidence, I do think the lack of smells is part of it, too,” she said, noting that dogs rely heavily on olfactory information when they explore. She added a practical perspective: “Rain can usually be worked around, depending on where you live.” Her comments about smell and manageability echo trainers’ common approach of adjusting routines to match local weather, with many owners opting to change walk timing and create indoor stimulation on wet days.

The physical sensation of wet fur and chill also matters. Sounds become sharper, smells get muted, and wet fur can feel… weird, which can be especially pronounced in dogs with short coats that “feel the cold and wet more directly.” For an otherwise confident dog, these stacked changes can be enough to trigger hesitancy or refusal to go outside. Researchers have examined related weather-triggered behavior in companion animals, and at least one broader study has connected intense storms and heavy rain with changes such as increased nervousness, fear, hiding, vocalization, and reduced activity in dogs and cats. Work from academic groups has explored how environmental shifts affect stress and behavior in dogs; that literature offers context for the clinical observations Ameis and Smith report. For background on the research angle, see findings discussed by Penn State.

Owners and caretakers told Ameis and Smith vary what they do in practice: alter walk timing, shorten outings, or create indoor stimulation on wet days. The experts flag that outright avoidance of weather exposure may reduce a dog’s confidence over time, while gentle, controlled exposures can help maintain routine. Smith’s comment — “Rain can usually be worked around, depending on where you live” — underlines that local conditions shape what strategies are practical.

A single household example underlines the problem in concrete terms: a two-year-old Havanese who dislikes rain may not be fearful in general but reacts to the combination of sensory shifts and damp fur. For dogs like that, small changes to the environment and schedule can change whether rainy days feel manageable or threatening. Where dogs show a sudden change in behavior, Ameis advises considering medical causes as well as environmental ones; he emphasizes assessing both sensation and possible physical discomfort when a pet that previously tolerated wet conditions begins to resist them.

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Original reporting: view the original article.