What is the optimal temperature for dogs and how can pet owners ensure their furry friends are kept comfortable in varying weather conditions?

The optimal temperature for dogs is between 65-75 degrees Fahrenheit. Pet owners can ensure their furry friends are kept comfortable in varying weather conditions by providing adequate shelter, access to fresh water, and avoiding leaving them in extreme heat or cold for extended periods of time. Additionally, monitoring their behavior and adjusting their environment as needed can help keep them comfortable.