The pitter-patter of rain often brings a sense of calm and coziness to humans, but how does this weather phenomenon impact our beloved pets? Cats and dogs, with their unique physiology and behavior, experience the effects of rain in various ways.
Physical Effects of Rain on Dogs
Hypothermia and Cold Stress
As highlighted in “The Rainy Weather and Your Pet” by The Filipino Vet, prolonged exposure to cold and wet conditions can lead to hypothermia, especially in smaller breeds, puppies, senior dogs, or those with thin coats. The dog’s body temperature can drop to dangerous levels, causing shivering, lethargy, and in severe cases, organ failure.
Skin and Coat Issues
Rainwater can strip away the natural oils from a dog’s coat, leading to dry, itchy skin. Furthermore, as noted in “7 Ways Different Weather Conditions Affect Our Doggos and Cattos” by Maxime, the damp environment can create ideal conditions for bacterial and fungal growth, potentially causing skin infections like “hot spots” or dermatitis.
Respiratory Problems
The moisture in the air, combined with potential allergens like pollen or mold spores washed down by the rain, can exacerbate respiratory issues in dogs. The Filipino Vet says dogs with pre-existing conditions like asthma or bronchitis may experience increased coughing, sneezing, and difficulty breathing during and after rainfall.
Leptospirosis Risk
Rain can also increase the risk of certain diseases. As stated in “Rainy Day Dangers for Dogs” by PetMD, leptospirosis, a bacterial infection spread through contaminated water, poses a significant threat. Dogs can contract this disease by drinking from puddles or swimming in contaminated water, leading to kidney and liver damage.

Physical Effects of Rain on Cats
Cats, with their meticulous grooming habits and generally indoor preference, also experience the effects of rain, albeit differently.
Hypothermia and Cold Stress
Similar to dogs, cats can suffer from hypothermia if exposed to cold and wet conditions for extended periods. As noted by The Filipino Vet, this is especially true for kittens, senior cats, and those with underlying health issues.
Skin and Coat Problems
While cats are adept at grooming, prolonged exposure to rain can still affect their coat. The moisture can lead to matting, tangles, and a loss of the coat’s insulating properties, making them feel colder and more uncomfortable.
Respiratory Irritation
The increased humidity and potential allergens in the air during rainfall can irritate a cat’s respiratory system. Cats with asthma or other respiratory conditions may experience increased coughing or wheezing.
Behavioral Changes in Cats and Dogs
Dogs and the Outdoors
Many dogs dislike being in the rain. As mentioned in Maxime’s article, some dogs may become reluctant to go outside for walks or bathroom breaks. Others might become anxious or clingy, seeking shelter and comfort from their owners.
Cats and Indoor Retreats
Cats are often more sensitive to changes in the environment.
Increased Anxiety and Hiding
As noted in The Filipino Vet article, the sound of rain, especially during thunderstorms, can be frightening for some cats. They may seek refuge under furniture, in closets, or in other secluded areas, exhibiting signs of anxiety such as flattened ears, dilated pupils, and a tucked-in tail.
Reduced Activity Levels
Many cats become less active during rainy weather, preferring to conserve energy and stay warm indoors. They might sleep more or spend more time observing the rain from a safe, dry location.
Changes in Appetite
Some cats may experience a decrease in appetite during rainy periods, possibly due to stress or a change in their routine.

Protecting Your Pets During Rainy Weather
Providing Shelter
It is crucial to ensure that pets have access to dry, sheltered areas. This includes providing indoor spaces for both cats and dogs and, for dogs, offering covered outdoor areas like dog houses or porches.
Drying Off After Exposure
After a walk or outdoor play, dogs should be thoroughly dried with a towel, especially in areas like their paws and ears. Cats should be encouraged to groom themselves, but owners can also gently dry them with a towel if they allow it.
Monitoring Health
Owners should monitor their pets for any signs of illness, such as shivering, lethargy, coughing, sneezing, skin irritation, or changes in appetite. If any concerning symptoms arise, a veterinarian should be consulted promptly.
Providing Enrichment
To combat boredom and anxiety, owners can provide indoor enrichment activities. This might include interactive toys, puzzle feeders, or extra playtime.
Safe Outdoor Practices
When walking dogs in the rain, owners should use waterproof gear, such as raincoats and boots, to keep them as dry as possible. Avoiding puddles and standing water can minimize the risk of leptospirosis and other waterborne diseases.
Rain affects cats and dogs in various ways, from physical health to behavioral changes. By understanding these effects and taking appropriate precautions, owners can ensure their pets remain safe, comfortable, and happy during the rainy season.
About the Author: Mariana Burgos is a freelance artist, writer, and tutor. She has been a solo parent for 18 years now because she is the wife of Jonas Burgos, a Filipino desaparecido. She and her daughter are animal lovers and are active in advocating not only human rights but the rights of animals as well.